{"timestamp": "2026-11-10 03:01:29", "data": {"options": [{"option": "YSS261120C00001000", "bid": 4.9, "bid_size": 391.0, "ask": 6.3, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.998, "gamma": 0.002, "vega": 0.0001, "theta": -0.0028, "rho": 0.0, "theo": 6.1062, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.65000009536743}, {"option": "YSS261120P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 90.0, "iv": 5.8522, "open_interest": 0.0, "volume": 0.0, "delta": -0.0036, "gamma": 0.0017, "vega": 0.0001, "theta": -0.0027, "rho": 0.0, "theo": 0.0087, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261120C00002500", "bid": 3.4, "bid_size": 398.0, "ask": 5.0, "ask_size": 25.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9854, "gamma": 0.0112, "vega": 0.0004, "theta": -0.0069, "rho": 0.0003, "theo": 4.6188, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 30.9, "last_trade_time": "2026-05-07T14:49:09", "percent_change": 0.0, "prev_day_close": 3.32500004768372}, {"option": "YSS261120P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 23.0, "iv": 3.1653, "open_interest": 590.0, "volume": 0.0, "delta": -0.016, "gamma": 0.0101, "vega": 0.0005, "theta": -0.0067, "rho": 0.0, "theo": 0.027, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-11-05T15:57:41", "percent_change": 0.0, "prev_day_close": 0.0750000029802322}, {"option": "YSS261120C00004000", "bid": 1.9, "bid_size": 467.0, "ask": 3.3, "ask_size": 28.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.948, "gamma": 0.039, "vega": 0.0013, "theta": -0.0137, "rho": 0.0007, "theo": 3.1609, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.87500005960464}, {"option": "YSS261120P00004000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 10.0, "iv": 1.8442, "open_interest": 0.0, "volume": 0.0, "delta": -0.0528, "gamma": 0.0375, "vega": 0.0013, "theta": -0.0135, "rho": -0.0002, "theo": 0.0735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.275000005960464}, {"option": "YSS261120C00005000", "bid": 1.6, "bid_size": 1503.0, "ask": 2.45, "ask_size": 201.0, "iv": 0.0, "open_interest": 107.0, "volume": 0.0, "delta": 0.8874, "gamma": 0.0823, "vega": 0.0023, "theta": -0.0204, "rho": 0.0009, "theo": 2.2331, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.99, "last_trade_time": "2026-11-06T10:49:38", "percent_change": 0.0, "prev_day_close": 1.35000002384186}, {"option": "YSS261120P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.15, "ask_size": 1142.0, "iv": 1.6887, "open_interest": 816.0, "volume": 15.0, "delta": -0.1126, "gamma": 0.0807, "vega": 0.0024, "theta": -0.0202, "rho": -0.0003, "theo": 0.1482, "change": -0.13, "open": 0.15, "high": 0.15, "low": 0.07, "tick": "down", "last_trade_price": 0.07, "last_trade_time": "2026-11-09T15:24:43", "percent_change": -65.0, "prev_day_close": 0.200000002980232}, {"option": "YSS261120C00006000", "bid": 1.2, "bid_size": 512.0, "ask": 1.5, "ask_size": 73.0, "iv": 1.4933, "open_interest": 146.0, "volume": 0.0, "delta": 0.7662, "gamma": 0.1533, "vega": 0.0037, "theta": -0.0282, "rho": 0.001, "theo": 1.397, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.75, "last_trade_time": "2026-11-06T15:03:56", "percent_change": 0.0, "prev_day_close": 0.800000011920929}, {"option": "YSS261120P00006000", "bid": 0.2, "bid_size": 223.0, "ask": 0.4, "ask_size": 428.0, "iv": 1.5829, "open_interest": 8.0, "volume": 0.0, "delta": -0.2327, "gamma": 0.1518, "vega": 0.0038, "theta": -0.0281, "rho": -0.0007, "theo": 0.3142, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.9, "last_trade_time": "2026-11-05T11:49:56", "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "YSS261120C00007500", "bid": 0.5, "bid_size": 14.0, "ask": 0.55, "ask_size": 5.0, "iv": 1.4182, "open_interest": 2737.0, "volume": 38.0, "delta": 0.4591, "gamma": 0.222, "vega": 0.0049, "theta": -0.0328, "rho": 0.0008, "theo": 0.5367, "change": 0.295, "open": 0.4, "high": 0.57, "low": 0.4, "tick": "no_change", "last_trade_price": 0.57, "last_trade_time": "2026-11-09T15:53:08", "percent_change": 107.273, "prev_day_close": 0.275000005960464}, {"option": "YSS261120P00007500", "bid": 0.85, "bid_size": 245.0, "ask": 1.1, "ask_size": 567.0, "iv": 1.4818, "open_interest": 613.0, "volume": 16.0, "delta": -0.5378, "gamma": 0.2206, "vega": 0.0049, "theta": -0.0325, "rho": -0.0017, "theo": 0.9557, "change": -0.635, "open": 1.15, "high": 1.5, "low": 0.94, "tick": "down", "last_trade_price": 0.94, "last_trade_time": "2026-11-09T15:39:06", "percent_change": -40.3175, "prev_day_close": 1.57499998807907}, {"option": "YSS261120C00009000", "bid": 0.15, "bid_size": 201.0, "ask": 0.35, "ask_size": 509.0, "iv": 1.6345, "open_interest": 22.0, "volume": 30.0, "delta": 0.2186, "gamma": 0.1572, "vega": 0.0036, "theta": -0.0249, "rho": 0.0004, "theo": 0.2039, "change": 0.06, "open": 0.16, "high": 0.16, "low": 0.16, "tick": "up", "last_trade_price": 0.16, "last_trade_time": "2026-11-09T15:24:05", "percent_change": 60.0, "prev_day_close": 0.100000003352761}, {"option": "YSS261120P00009000", "bid": 1.8, "bid_size": 169.0, "ask": 2.95, "ask_size": 178.0, "iv": 2.1332, "open_interest": 0.0, "volume": 0.0, "delta": -0.7768, "gamma": 0.1565, "vega": 0.0036, "theta": -0.0246, "rho": -0.0027, "theo": 2.1221, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.125}, {"option": "YSS261120C00010000", "bid": 0.05, "bid_size": 510.0, "ask": 0.1, "ask_size": 3.0, "iv": 1.418, "open_interest": 988.0, "volume": 81.0, "delta": 0.1368, "gamma": 0.1101, "vega": 0.0027, "theta": -0.0192, "rho": 0.0003, "theo": 0.1195, "change": 0.025, "open": 0.05, "high": 0.1, "low": 0.05, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-11-09T15:04:14", "percent_change": 100.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261120P00010000", "bid": 2.7, "bid_size": 610.0, "ask": 3.5, "ask_size": 628.0, "iv": 1.8187, "open_interest": 431.0, "volume": 10.0, "delta": -0.8582, "gamma": 0.1096, "vega": 0.0027, "theta": -0.0188, "rho": -0.0032, "theo": 3.0364, "change": -0.83, "open": 3.27, "high": 3.27, "low": 3.27, "tick": "down", "last_trade_price": 3.27, "last_trade_time": "2026-11-09T13:07:56", "percent_change": -20.2439, "prev_day_close": 4.10000002384186}, {"option": "YSS261120C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 788.0, "iv": 2.6878, "open_interest": 50.0, "volume": 0.0, "delta": 0.0901, "gamma": 0.077, "vega": 0.002, "theta": -0.0147, "rho": 0.0002, "theo": 0.0759, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.05, "last_trade_time": "2026-10-30T12:43:19", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00011000", "bid": 3.7, "bid_size": 39.0, "ask": 5.2, "ask_size": 48.0, "iv": 3.0858, "open_interest": 0.0, "volume": 0.0, "delta": -0.9048, "gamma": 0.0768, "vega": 0.002, "theta": -0.0142, "rho": -0.0037, "theo": 3.9914, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.34999990463257}, {"option": "YSS261120C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 47.0, "iv": 1.8808, "open_interest": 785.0, "volume": 0.0, "delta": 0.0524, "gamma": 0.047, "vega": 0.0013, "theta": -0.0102, "rho": 0.0001, "theo": 0.0429, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.1, "last_trade_time": "2026-11-04T09:46:13", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "YSS261120P00012500", "bid": 5.3, "bid_size": 43.0, "ask": 6.7, "ask_size": 81.0, "iv": 3.6574, "open_interest": 82.0, "volume": 2.0, "delta": -0.9424, "gamma": 0.0469, "vega": 0.0013, "theta": -0.0095, "rho": -0.0043, "theo": 5.4561, "change": -1.25, "open": 6.4, "high": 6.4, "low": 5.5, "tick": "down", "last_trade_price": 5.5, "last_trade_time": "2026-11-09T14:38:43", "percent_change": -18.5185, "prev_day_close": 6.75}, {"option": "YSS261120C00014000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1091.0, "iv": 3.47, "open_interest": 0.0, "volume": 0.0, "delta": 0.0331, "gamma": 0.0304, "vega": 0.0009, "theta": -0.0073, "rho": 0.0001, "theo": 0.0267, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00014000", "bid": 6.6, "bid_size": 83.0, "ask": 8.4, "ask_size": 29.0, "iv": 4.0364, "open_interest": 0.0, "volume": 0.0, "delta": -0.9617, "gamma": 0.0304, "vega": 0.0009, "theta": -0.0065, "rho": -0.0048, "theo": 6.9376, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.54999995231628}, {"option": "YSS261120C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1.0, "iv": 2.082, "open_interest": 987.0, "volume": 0.0, "delta": 0.0252, "gamma": 0.0233, "vega": 0.0007, "theta": -0.0059, "rho": 0.0, "theo": 0.0202, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.1, "last_trade_time": "2026-10-21T10:13:37", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261120P00015000", "bid": 7.7, "bid_size": 13.0, "ask": 9.4, "ask_size": 16.0, "iv": 4.3823, "open_interest": 3.0, "volume": 0.0, "delta": -0.9696, "gamma": 0.0234, "vega": 0.0007, "theta": -0.005, "rho": -0.005, "theo": 7.9296, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.9, "last_trade_time": "2026-10-08T12:36:36", "percent_change": 0.0, "prev_day_close": 9.35000038146973}, {"option": "YSS261120C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 20.0, "iv": 2.4175, "open_interest": 64.0, "volume": 0.0, "delta": 0.014, "gamma": 0.0131, "vega": 0.0004, "theta": -0.0037, "rho": 0.0, "theo": 0.0111, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.01, "last_trade_time": "2026-10-26T10:22:35", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261120P00017500", "bid": 10.1, "bid_size": 62.0, "ask": 12.4, "ask_size": 23.0, "iv": 5.3437, "open_interest": 0.0, "volume": 0.0, "delta": -0.9811, "gamma": 0.0134, "vega": 0.0004, "theta": -0.0026, "rho": -0.0054, "theo": 10.4169, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.0, "last_trade_time": "2026-09-30T14:48:29", "percent_change": 0.0, "prev_day_close": 11.9000000953674}, {"option": "YSS261120C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 291.0, "iv": 4.0634, "open_interest": 65.0, "volume": 0.0, "delta": 0.0085, "gamma": 0.008, "vega": 0.0003, "theta": -0.0025, "rho": 0.0, "theo": 0.0067, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-10-05T12:02:04", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "YSS261120P00020000", "bid": 12.6, "bid_size": 65.0, "ask": 14.9, "ask_size": 23.0, "iv": 5.7488, "open_interest": 0.0, "volume": 0.0, "delta": -0.987, "gamma": 0.0086, "vega": 0.0003, "theta": -0.0012, "rho": -0.0053, "theo": 12.9094, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.87, "last_trade_time": "2026-10-05T13:06:38", "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS261120C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 32.0, "iv": 3.6343, "open_interest": 80.0, "volume": 0.0, "delta": 0.0056, "gamma": 0.0053, "vega": 0.0002, "theta": -0.0018, "rho": 0.0, "theo": 0.0044, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.15, "last_trade_time": "2026-09-25T09:50:47", "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "YSS261120P00022500", "bid": 15.0, "bid_size": 103.0, "ask": 17.4, "ask_size": 22.0, "iv": 5.9726, "open_interest": 0.0, "volume": 0.0, "delta": -0.9905, "gamma": 0.0061, "vega": 0.0002, "theta": -0.0003, "rho": -0.005, "theo": 15.4044, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.86, "last_trade_time": "2026-08-11T09:42:39", "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS261120C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 1.0, "iv": 3.1532, "open_interest": 84.0, "volume": 0.0, "delta": 0.0038, "gamma": 0.0036, "vega": 0.0001, "theta": -0.0013, "rho": 0.0, "theo": 0.003, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-10-16T14:35:30", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261120P00025000", "bid": 17.7, "bid_size": 21.0, "ask": 19.9, "ask_size": 19.0, "iv": 6.5116, "open_interest": 0.0, "volume": 0.0, "delta": -0.993, "gamma": 0.0047, "vega": 0.0001, "theta": 0.0, "rho": -0.0042, "theo": 17.9009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 16.02, "last_trade_time": "2026-08-31T12:08:18", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS261120C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 27.0, "iv": 3.8485, "open_interest": 935.0, "volume": 0.0, "delta": 0.002, "gamma": 0.0019, "vega": 0.0001, "theta": -0.0007, "rho": 0.0, "theo": 0.0016, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.07, "last_trade_time": "2026-11-05T15:59:49", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "YSS261120P00030000", "bid": 22.4, "bid_size": 102.0, "ask": 25.0, "ask_size": 26.0, "iv": 6.7679, "open_interest": 1.0, "volume": 0.0, "delta": -0.9965, "gamma": 0.0037, "vega": 0.0001, "theta": 0.0, "rho": -0.0025, "theo": 22.8968, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 22.2, "last_trade_time": "2026-09-04T15:50:14", "percent_change": 0.0, "prev_day_close": 24.3500003814697}, {"option": "YSS261120C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.15, "ask_size": 28.0, "iv": 4.4088, "open_interest": 101.0, "volume": 0.0, "delta": 0.0012, "gamma": 0.0011, "vega": 0.0, "theta": -0.0005, "rho": 0.0, "theo": 0.0009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.06, "last_trade_time": "2026-10-19T09:30:11", "percent_change": 0.0, "prev_day_close": 0.0750000029802322}, {"option": "YSS261120P00035000", "bid": 27.6, "bid_size": 53.0, "ask": 30.0, "ask_size": 24.0, "iv": 7.4224, "open_interest": 0.0, "volume": 0.0, "delta": -0.9989, "gamma": 0.0023, "vega": 0.0, "theta": 0.0, "rho": -0.0004, "theo": 27.8952, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 24.44, "last_trade_time": "2026-08-12T11:14:19", "percent_change": 0.0, "prev_day_close": 29.3500003814697}, {"option": "YSS261120C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1220.0, "iv": 6.2216, "open_interest": 349.0, "volume": 0.0, "delta": 0.0008, "gamma": 0.0007, "vega": 0.0, "theta": -0.0003, "rho": 0.0, "theo": 0.0006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-08-28T15:35:00", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00040000", "bid": 32.4, "bid_size": 103.0, "ask": 35.0, "ask_size": 21.0, "iv": 7.5164, "open_interest": 0.0, "volume": 0.0, "delta": -0.9998, "gamma": 0.0006, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 32.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 25.79, "last_trade_time": "2026-07-29T10:32:26", "percent_change": 0.0, "prev_day_close": 34.3499984741211}, {"option": "YSS261120C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1399.0, "iv": 6.4908, "open_interest": 577.0, "volume": 0.0, "delta": 0.0005, "gamma": 0.0005, "vega": 0.0, "theta": -0.0002, "rho": 0.0, "theo": 0.0004, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-03T13:36:28", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00045000", "bid": 37.6, "bid_size": 54.0, "ask": 40.0, "ask_size": 24.0, "iv": 8.0648, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 37.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 24.61, "last_trade_time": "2026-07-06T15:14:33", "percent_change": 0.0, "prev_day_close": 39.3499984741211}, {"option": "YSS261120C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 658.0, "iv": 6.7267, "open_interest": 25.0, "volume": 0.0, "delta": 0.0004, "gamma": 0.0003, "vega": 0.0, "theta": -0.0001, "rho": 0.0, "theo": 0.0003, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.45, "last_trade_time": "2026-08-13T14:57:30", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00050000", "bid": 42.4, "bid_size": 103.0, "ask": 45.0, "ask_size": 24.0, "iv": 8.0722, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 42.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 23.5, "last_trade_time": "2026-05-11T10:07:13", "percent_change": 0.0, "prev_day_close": 44.3499984741211}, {"option": "YSS261120C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 547.0, "iv": 6.9366, "open_interest": 2.0, "volume": 0.0, "delta": 0.0002, "gamma": 0.0002, "vega": 0.0, "theta": -0.0001, "rho": 0.0, "theo": 0.0002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-08-03T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00055000", "bid": 47.4, "bid_size": 103.0, "ask": 50.0, "ask_size": 21.0, "iv": 8.3044, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 47.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 49.3499984741211}, {"option": "YSS261120C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 551.0, "iv": 7.1253, "open_interest": 10.0, "volume": 0.0, "delta": 0.0002, "gamma": 0.0002, "vega": 0.0, "theta": -0.0001, "rho": 0.0, "theo": 0.0001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-03T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00060000", "bid": 52.6, "bid_size": 54.0, "ask": 55.0, "ask_size": 24.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 52.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 54.3499984741211}, {"option": "YSS261120C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 671.0, "iv": 7.2966, "open_interest": 41.0, "volume": 0.0, "delta": 0.0001, "gamma": 0.0001, "vega": 0.0, "theta": -0.0001, "rho": 0.0, "theo": 0.0001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.03, "last_trade_time": "2026-08-24T09:30:13", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261120P00065000", "bid": 57.4, "bid_size": 103.0, "ask": 60.0, "ask_size": 19.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 57.895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 35.7, "last_trade_time": "2026-05-11T10:07:13", "percent_change": 0.0, "prev_day_close": 59.3499984741211}, {"option": "YSS261218C00001000", "bid": 4.9, "bid_size": 49.0, "ask": 7.3, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0013, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.85000014305115}, {"option": "YSS261218P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 620.0, "iv": 6.4151, "open_interest": 0.0, "volume": 0.0, "delta": -0.0034, "gamma": 0.0016, "vega": 0.0002, "theta": -0.0008, "rho": 0.0, "theo": 0.0081, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218C00002500", "bid": 3.4, "bid_size": 40.0, "ask": 5.0, "ask_size": 10.0, "iv": 0.0, "open_interest": 1.0, "volume": 0.0, "delta": 0.983, "gamma": 0.0157, "vega": 0.0008, "theta": -0.0033, "rho": 0.0008, "theo": 4.6769, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.3, "last_trade_time": "2026-09-03T15:39:24", "percent_change": 0.0, "prev_day_close": 3.25}, {"option": "YSS261218P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 10.0, "iv": 1.6863, "open_interest": 37.0, "volume": 0.0, "delta": -0.0223, "gamma": 0.012, "vega": 0.0012, "theta": -0.0029, "rho": -0.0002, "theo": 0.0453, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.03, "last_trade_time": "2026-10-26T14:25:08", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261218C00004000", "bid": 2.1, "bid_size": 165.0, "ask": 3.4, "ask_size": 24.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9221, "gamma": 0.0446, "vega": 0.0032, "theta": -0.0067, "rho": 0.0021, "theo": 3.2677, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.0}, {"option": "YSS261218P00004000", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 1368.0, "iv": 1.9968, "open_interest": 90.0, "volume": 0.0, "delta": -0.0781, "gamma": 0.0412, "vega": 0.0034, "theta": -0.0065, "rho": -0.0008, "theo": 0.1524, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.2, "last_trade_time": "2026-11-02T15:21:46", "percent_change": 0.0, "prev_day_close": 0.200000002980232}, {"option": "YSS261218C00005000", "bid": 1.7, "bid_size": 392.0, "ask": 2.5, "ask_size": 40.0, "iv": 0.0, "open_interest": 7.0, "volume": 2.0, "delta": 0.8448, "gamma": 0.0779, "vega": 0.0054, "theta": -0.0096, "rho": 0.0027, "theo": 2.4155, "change": 0.05, "open": 1.64, "high": 1.7, "low": 1.64, "tick": "up", "last_trade_price": 1.7, "last_trade_time": "2026-11-09T10:06:39", "percent_change": 3.0303, "prev_day_close": 1.65000003576279}, {"option": "YSS261218P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.35, "ask_size": 751.0, "iv": 1.0795, "open_interest": 267.0, "volume": 4.0, "delta": -0.1522, "gamma": 0.0745, "vega": 0.0055, "theta": -0.0094, "rho": -0.0016, "theo": 0.3067, "change": -0.095, "open": 0.4, "high": 0.4, "low": 0.33, "tick": "no_change", "last_trade_price": 0.33, "last_trade_time": "2026-11-09T10:18:29", "percent_change": -22.3529, "prev_day_close": 0.424999997019768}, {"option": "YSS261218C00006000", "bid": 1.4, "bid_size": 1345.0, "ask": 1.95, "ask_size": 421.0, "iv": 1.2156, "open_interest": 563.0, "volume": 25.0, "delta": 0.7299, "gamma": 0.1155, "vega": 0.0076, "theta": -0.0122, "rho": 0.003, "theo": 1.6833, "change": 0.435, "open": 1.13, "high": 1.51, "low": 1.13, "tick": "no_change", "last_trade_price": 1.51, "last_trade_time": "2026-11-09T13:03:09", "percent_change": 40.4651, "prev_day_close": 1.07499998807907}, {"option": "YSS261218P00006000", "bid": 0.5, "bid_size": 71.0, "ask": 0.7, "ask_size": 888.0, "iv": 1.2554, "open_interest": 46.0, "volume": 0.0, "delta": -0.2639, "gamma": 0.1125, "vega": 0.0076, "theta": -0.012, "rho": -0.0028, "theo": 0.578, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.87, "last_trade_time": "2026-11-06T15:01:13", "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "YSS261218C00007500", "bid": 0.8, "bid_size": 893.0, "ask": 1.15, "ask_size": 564.0, "iv": 1.2309, "open_interest": 72.0, "volume": 16.0, "delta": 0.5147, "gamma": 0.1475, "vega": 0.0092, "theta": -0.0137, "rho": 0.0026, "theo": 0.8985, "change": 0.12, "open": 0.67, "high": 0.67, "low": 0.67, "tick": "up", "last_trade_price": 0.67, "last_trade_time": "2026-11-09T10:30:40", "percent_change": 21.8182, "prev_day_close": 0.550000011920929}, {"option": "YSS261218P00007500", "bid": 1.25, "bid_size": 52.0, "ask": 1.45, "ask_size": 471.0, "iv": 1.2094, "open_interest": 4349.0, "volume": 222.0, "delta": -0.4753, "gamma": 0.1454, "vega": 0.0092, "theta": -0.0135, "rho": -0.0053, "theo": 1.2934, "change": -0.515, "open": 1.48, "high": 1.55, "low": 1.31, "tick": "down", "last_trade_price": 1.31, "last_trade_time": "2026-11-09T15:39:06", "percent_change": -28.2192, "prev_day_close": 1.82500004768372}, {"option": "YSS261218C00009000", "bid": 0.45, "bid_size": 131.0, "ask": 0.7, "ask_size": 694.0, "iv": 1.265, "open_interest": 2.0, "volume": 20.0, "delta": 0.3281, "gamma": 0.1333, "vega": 0.0084, "theta": -0.0124, "rho": 0.0019, "theo": 0.475, "change": 0.19, "open": 0.35, "high": 0.5, "low": 0.35, "tick": "down", "last_trade_price": 0.49, "last_trade_time": "2026-11-09T15:37:59", "percent_change": 63.3333, "prev_day_close": 0.299999997019768}, {"option": "YSS261218P00009000", "bid": 2.15, "bid_size": 262.0, "ask": 2.7, "ask_size": 362.0, "iv": 1.2178, "open_interest": 0.0, "volume": 0.0, "delta": -0.6597, "gamma": 0.1321, "vega": 0.0084, "theta": -0.0121, "rho": -0.0079, "theo": 2.3659, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.10000002384186}, {"option": "YSS261218C00010000", "bid": 0.25, "bid_size": 642.0, "ask": 0.45, "ask_size": 917.0, "iv": 1.2083, "open_interest": 1007.0, "volume": 65.0, "delta": 0.2414, "gamma": 0.1127, "vega": 0.0072, "theta": -0.0109, "rho": 0.0014, "theo": 0.3229, "change": 0.125, "open": 0.27, "high": 0.3, "low": 0.27, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-11-09T15:20:40", "percent_change": 71.4286, "prev_day_close": 0.175000004470348}, {"option": "YSS261218P00010000", "bid": 3.1, "bid_size": 72.0, "ask": 3.9, "ask_size": 829.0, "iv": 1.5394, "open_interest": 501.0, "volume": 0.0, "delta": -0.7457, "gamma": 0.1118, "vega": 0.0072, "theta": -0.0105, "rho": -0.0095, "theo": 3.2098, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.39, "last_trade_time": "2026-11-06T12:40:44", "percent_change": 0.0, "prev_day_close": 4.19999992847443}, {"option": "YSS261218C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 991.0, "iv": 1.3876, "open_interest": 5.0, "volume": 0.0, "delta": 0.1804, "gamma": 0.0924, "vega": 0.0061, "theta": -0.0094, "rho": 0.0011, "theo": 0.2285, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.14, "last_trade_time": "2026-11-06T15:47:50", "percent_change": 0.0, "prev_day_close": 0.150000002235174}, {"option": "YSS261218P00011000", "bid": 4.0, "bid_size": 39.0, "ask": 5.4, "ask_size": 98.0, "iv": 1.9733, "open_interest": 0.0, "volume": 0.0, "delta": -0.8063, "gamma": 0.0919, "vega": 0.0061, "theta": -0.0089, "rho": -0.0108, "theo": 4.111, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.40000009536743}, {"option": "YSS261218C00012500", "bid": 0.05, "bid_size": 819.0, "ask": 0.35, "ask_size": 1514.0, "iv": 1.3642, "open_interest": 597.0, "volume": 12.0, "delta": 0.1214, "gamma": 0.0678, "vega": 0.0047, "theta": -0.0074, "rho": 0.0007, "theo": 0.1459, "change": 0.0, "open": 0.1, "high": 0.1, "low": 0.1, "tick": "no_change", "last_trade_price": 0.1, "last_trade_time": "2026-11-09T14:57:16", "percent_change": -3.35276e-06, "prev_day_close": 0.100000003352761}, {"option": "YSS261218P00012500", "bid": 5.4, "bid_size": 65.0, "ask": 7.0, "ask_size": 275.0, "iv": 2.2275, "open_interest": 99.0, "volume": 0.0, "delta": -0.8651, "gamma": 0.0678, "vega": 0.0047, "theta": -0.0069, "rho": -0.0124, "theo": 5.5217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 6.89, "last_trade_time": "2026-11-06T10:03:13", "percent_change": 0.0, "prev_day_close": 6.59999990463257}, {"option": "YSS261218C00014000", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 1020.0, "iv": 1.4344, "open_interest": 0.0, "volume": 0.0, "delta": 0.0858, "gamma": 0.0505, "vega": 0.0036, "theta": -0.006, "rho": 0.0005, "theo": 0.0998, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00014000", "bid": 6.8, "bid_size": 17.0, "ask": 8.3, "ask_size": 20.0, "iv": 2.2563, "open_interest": 0.0, "volume": 0.0, "delta": -0.9009, "gamma": 0.0509, "vega": 0.0036, "theta": -0.0053, "rho": -0.0134, "theo": 6.969, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.35000014305115}, {"option": "YSS261218C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 39.0, "iv": 1.5341, "open_interest": 1269.0, "volume": 0.0, "delta": 0.0698, "gamma": 0.042, "vega": 0.0031, "theta": -0.0052, "rho": 0.0004, "theo": 0.08, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.1, "last_trade_time": "2026-10-23T14:27:59", "percent_change": 0.0, "prev_day_close": 0.150000005960464}, {"option": "YSS261218P00015000", "bid": 7.6, "bid_size": 98.0, "ask": 9.6, "ask_size": 17.0, "iv": 2.4421, "open_interest": 2.0, "volume": 0.0, "delta": -0.9172, "gamma": 0.0427, "vega": 0.0031, "theta": -0.0045, "rho": -0.0138, "theo": 7.9449, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 8.05, "last_trade_time": "2026-10-09T13:27:23", "percent_change": 0.0, "prev_day_close": 9.19999980926514}, {"option": "YSS261218C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1.0, "iv": 1.2815, "open_interest": 909.0, "volume": 0.0, "delta": 0.0445, "gamma": 0.0278, "vega": 0.0022, "theta": -0.0038, "rho": 0.0003, "theo": 0.0498, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-10-29T13:32:18", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS261218P00017500", "bid": 10.0, "bid_size": 69.0, "ask": 12.4, "ask_size": 13.0, "iv": 2.8328, "open_interest": 0.0, "volume": 0.0, "delta": -0.9437, "gamma": 0.0292, "vega": 0.0022, "theta": -0.003, "rho": -0.014, "theo": 10.4052, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.1, "last_trade_time": "2026-09-15T09:30:01", "percent_change": 0.0, "prev_day_close": 11.9000000953674}, {"option": "YSS261218C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 1137.0, "iv": 2.1554, "open_interest": 43.0, "volume": 0.0, "delta": 0.0307, "gamma": 0.0195, "vega": 0.0016, "theta": -0.0029, "rho": 0.0002, "theo": 0.0339, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-10-09T14:35:39", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00020000", "bid": 12.5, "bid_size": 72.0, "ask": 15.0, "ask_size": 14.0, "iv": 3.1168, "open_interest": 0.0, "volume": 0.0, "delta": -0.9592, "gamma": 0.0216, "vega": 0.0016, "theta": -0.002, "rho": -0.0133, "theo": 12.8813, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.05, "last_trade_time": "2026-08-14T13:27:20", "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS261218C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1151.0, "iv": 2.5517, "open_interest": 20.0, "volume": 0.0, "delta": 0.0223, "gamma": 0.0144, "vega": 0.0012, "theta": -0.0023, "rho": 0.0001, "theo": 0.0245, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.15, "last_trade_time": "2026-09-16T10:14:04", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00022500", "bid": 15.0, "bid_size": 72.0, "ask": 17.5, "ask_size": 24.0, "iv": 3.3071, "open_interest": 0.0, "volume": 0.0, "delta": -0.9694, "gamma": 0.0171, "vega": 0.0013, "theta": -0.0013, "rho": -0.012, "theo": 15.3655, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.0, "last_trade_time": "2026-08-04T15:57:45", "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS261218C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.25, "ask_size": 37.0, "iv": 2.1385, "open_interest": 33.0, "volume": 0.0, "delta": 0.017, "gamma": 0.011, "vega": 0.001, "theta": -0.0019, "rho": 0.0001, "theo": 0.0185, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-10-27T13:35:25", "percent_change": 0.0, "prev_day_close": 0.125}, {"option": "YSS261218P00025000", "bid": 17.5, "bid_size": 49.0, "ask": 20.0, "ask_size": 9.0, "iv": 3.4729, "open_interest": 0.0, "volume": 0.0, "delta": -0.9769, "gamma": 0.0144, "vega": 0.001, "theta": -0.0008, "rho": -0.0103, "theo": 17.8546, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 17.28, "last_trade_time": "2026-09-11T10:47:23", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS261218C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1123.0, "iv": 2.7951, "open_interest": 53.0, "volume": 0.0, "delta": 0.0108, "gamma": 0.007, "vega": 0.0006, "theta": -0.0013, "rho": 0.0001, "theo": 0.0117, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-08-19T14:06:51", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00030000", "bid": 22.5, "bid_size": 49.0, "ask": 25.0, "ask_size": 8.0, "iv": 3.7515, "open_interest": 0.0, "volume": 0.0, "delta": -0.9875, "gamma": 0.0119, "vega": 0.0006, "theta": 0.0, "rho": -0.0071, "theo": 22.8417, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 17.82, "last_trade_time": "2026-08-05T13:57:53", "percent_change": 0.0, "prev_day_close": 24.4499998092651}, {"option": "YSS261218C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1307.0, "iv": 3.1367, "open_interest": 139.0, "volume": 0.0, "delta": 0.0074, "gamma": 0.0048, "vega": 0.0005, "theta": -0.001, "rho": 0.0, "theo": 0.0081, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.38, "last_trade_time": "2026-08-07T14:45:00", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00035000", "bid": 27.5, "bid_size": 49.0, "ask": 30.0, "ask_size": 8.0, "iv": 3.9804, "open_interest": 0.0, "volume": 0.0, "delta": -0.9948, "gamma": 0.0084, "vega": 0.0002, "theta": 0.0, "rho": -0.0025, "theo": 27.8363, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 18.0, "last_trade_time": "2026-07-15T13:26:43", "percent_change": 0.0, "prev_day_close": 29.3500003814697}, {"option": "YSS261218C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1137.0, "iv": 3.1519, "open_interest": 11.0, "volume": 0.0, "delta": 0.0054, "gamma": 0.0035, "vega": 0.0004, "theta": -0.0008, "rho": 0.0, "theo": 0.0059, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-10-19T14:18:31", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00040000", "bid": 32.5, "bid_size": 25.0, "ask": 35.0, "ask_size": 8.0, "iv": 4.1747, "open_interest": 0.0, "volume": 0.0, "delta": -0.9985, "gamma": 0.0036, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 32.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 24.4, "last_trade_time": "2026-07-24T14:53:18", "percent_change": 0.0, "prev_day_close": 34.5}, {"option": "YSS261218C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1061.0, "iv": 3.2924, "open_interest": 5.0, "volume": 0.0, "delta": 0.0042, "gamma": 0.0027, "vega": 0.0003, "theta": -0.0006, "rho": 0.0, "theo": 0.0045, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.5, "last_trade_time": "2026-07-30T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00045000", "bid": 37.5, "bid_size": 49.0, "ask": 40.0, "ask_size": 8.0, "iv": 4.3434, "open_interest": 0.0, "volume": 0.0, "delta": -0.9999, "gamma": 0.0002, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 37.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 24.6, "last_trade_time": "2026-06-26T09:47:05", "percent_change": 0.0, "prev_day_close": 39.5}, {"option": "YSS261218C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1175.0, "iv": 3.5716, "open_interest": 53.0, "volume": 0.0, "delta": 0.0033, "gamma": 0.0021, "vega": 0.0002, "theta": -0.0005, "rho": 0.0, "theo": 0.0036, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.08, "last_trade_time": "2026-09-09T15:52:43", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00050000", "bid": 42.5, "bid_size": 21.0, "ask": 45.0, "ask_size": 8.0, "iv": 4.4926, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 42.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 28.06, "last_trade_time": "2026-06-26T15:01:58", "percent_change": 0.0, "prev_day_close": 44.5}, {"option": "YSS261218C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1129.0, "iv": 3.6831, "open_interest": 18.0, "volume": 0.0, "delta": 0.0027, "gamma": 0.0017, "vega": 0.0002, "theta": -0.0004, "rho": 0.0, "theo": 0.0029, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.65, "last_trade_time": "2026-07-27T09:30:03", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00055000", "bid": 47.5, "bid_size": 21.0, "ask": 50.0, "ask_size": 8.0, "iv": 4.6264, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 47.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 33.4, "last_trade_time": "2026-06-25T11:26:45", "percent_change": 0.0, "prev_day_close": 49.5}, {"option": "YSS261218C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1013.0, "iv": 3.7834, "open_interest": 3.0, "volume": 0.0, "delta": 0.0022, "gamma": 0.0014, "vega": 0.0002, "theta": -0.0004, "rho": 0.0, "theo": 0.0024, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.55, "last_trade_time": "2026-07-27T09:30:03", "percent_change": 0.0, "prev_day_close": 0.625}, {"option": "YSS261218P00060000", "bid": 52.4, "bid_size": 22.0, "ask": 55.0, "ask_size": 8.0, "iv": 4.6818, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 52.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 37.8, "last_trade_time": "2026-06-25T10:32:44", "percent_change": 0.0, "prev_day_close": 54.5}, {"option": "YSS261218C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1062.0, "iv": 3.7137, "open_interest": 56.0, "volume": 0.0, "delta": 0.0019, "gamma": 0.0012, "vega": 0.0001, "theta": -0.0003, "rho": 0.0, "theo": 0.002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.02, "last_trade_time": "2026-10-08T15:18:58", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS261218P00065000", "bid": 57.4, "bid_size": 49.0, "ask": 60.0, "ask_size": 8.0, "iv": 4.7925, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 57.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 42.5, "last_trade_time": "2026-06-25T13:36:34", "percent_change": 0.0, "prev_day_close": 59.5}, {"option": "YSS270115C00001000", "bid": 4.7, "bid_size": 148.0, "ask": 7.4, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9991, "gamma": 0.0016, "vega": 0.0, "theta": -0.0015, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.95000004768372}, {"option": "YSS270115P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 173.0, "iv": 4.8964, "open_interest": 0.0, "volume": 0.0, "delta": -0.0076, "gamma": 0.0028, "vega": 0.0006, "theta": -0.0011, "rho": -0.0001, "theo": 0.0259, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115C00002500", "bid": 3.2, "bid_size": 243.0, "ask": 5.9, "ask_size": 127.0, "iv": 0.0, "open_interest": 6.0, "volume": 0.0, "delta": 0.9648, "gamma": 0.0191, "vega": 0.002, "theta": -0.0035, "rho": 0.0016, "theo": 4.7076, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.1, "last_trade_time": "2026-10-13T10:34:19", "percent_change": 0.0, "prev_day_close": 3.25}, {"option": "YSS270115P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 169.0, "iv": 2.5378, "open_interest": 2.0, "volume": 0.0, "delta": -0.0378, "gamma": 0.0154, "vega": 0.0025, "theta": -0.0032, "rho": -0.0007, "theo": 0.1084, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.11, "last_trade_time": "2026-08-14T11:01:10", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115C00004000", "bid": 2.0, "bid_size": 243.0, "ask": 4.6, "ask_size": 127.0, "iv": 1.2729, "open_interest": 0.0, "volume": 0.0, "delta": 0.891, "gamma": 0.0457, "vega": 0.0053, "theta": -0.006, "rho": 0.0034, "theo": 3.3692, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.12499994039536}, {"option": "YSS270115P00004000", "bid": 0.0, "bid_size": 0.0, "ask": 1.1, "ask_size": 1917.0, "iv": 1.8417, "open_interest": 2.0, "volume": 0.0, "delta": -0.1051, "gamma": 0.0416, "vega": 0.0056, "theta": -0.0058, "rho": -0.002, "theo": 0.29, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.33, "last_trade_time": "2026-11-05T10:36:58", "percent_change": 0.0, "prev_day_close": 0.299999997019768}, {"option": "YSS270115C00005000", "bid": 1.55, "bid_size": 441.0, "ask": 3.8, "ask_size": 409.0, "iv": 1.3971, "open_interest": 35.0, "volume": 0.0, "delta": 0.8128, "gamma": 0.0698, "vega": 0.0078, "theta": -0.0078, "rho": 0.0043, "theo": 2.5809, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.49, "last_trade_time": "2026-10-19T14:48:48", "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "YSS270115P00005000", "bid": 0.2, "bid_size": 2067.0, "ask": 0.6, "ask_size": 1627.0, "iv": 1.1389, "open_interest": 352.0, "volume": 0.0, "delta": -0.179, "gamma": 0.0658, "vega": 0.008, "theta": -0.0076, "rho": -0.0034, "theo": 0.509, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.7, "last_trade_time": "2026-11-02T13:59:26", "percent_change": 0.0, "prev_day_close": 0.625}, {"option": "YSS270115C00006000", "bid": 1.35, "bid_size": 968.0, "ask": 3.5, "ask_size": 781.0, "iv": 1.696, "open_interest": 174.0, "volume": 8.0, "delta": 0.7118, "gamma": 0.0933, "vega": 0.0101, "theta": -0.0092, "rho": 0.0046, "theo": 1.9148, "change": 0.22, "open": 1.34, "high": 1.53, "low": 1.34, "tick": "no_change", "last_trade_price": 1.52, "last_trade_time": "2026-11-09T10:22:43", "percent_change": 16.9231, "prev_day_close": 1.30000001192093}, {"option": "YSS270115P00006000", "bid": 0.7, "bid_size": 1696.0, "ask": 0.95, "ask_size": 1204.0, "iv": 1.172, "open_interest": 2.0, "volume": 0.0, "delta": -0.2761, "gamma": 0.0898, "vega": 0.0102, "theta": -0.009, "rho": -0.0054, "theo": 0.8461, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.15, "last_trade_time": "2026-11-04T15:18:50", "percent_change": 0.0, "prev_day_close": 1.09999996423721}, {"option": "YSS270115C00007500", "bid": 1.05, "bid_size": 1844.0, "ask": 1.35, "ask_size": 41.0, "iv": 1.1445, "open_interest": 812.0, "volume": 0.0, "delta": 0.543, "gamma": 0.1127, "vega": 0.0119, "theta": -0.0102, "rho": 0.0043, "theo": 1.1921, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.65, "last_trade_time": "2026-11-06T12:35:04", "percent_change": 0.0, "prev_day_close": 0.799999982118606}, {"option": "YSS270115P00007500", "bid": 1.35, "bid_size": 1374.0, "ask": 3.4, "ask_size": 1846.0, "iv": 1.7828, "open_interest": 1235.0, "volume": 0.0, "delta": -0.4403, "gamma": 0.1101, "vega": 0.0119, "theta": -0.0099, "rho": -0.009, "theo": 1.6214, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.65, "last_trade_time": "2026-11-05T15:57:41", "percent_change": 0.0, "prev_day_close": 2.22500002384186}, {"option": "YSS270115C00009000", "bid": 0.65, "bid_size": 1815.0, "ask": 2.65, "ask_size": 2336.0, "iv": 1.8851, "open_interest": 17.0, "volume": 0.0, "delta": 0.3981, "gamma": 0.1087, "vega": 0.0117, "theta": -0.01, "rho": 0.0035, "theo": 0.7649, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-11-02T15:18:25", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "YSS270115P00009000", "bid": 2.55, "bid_size": 95.0, "ask": 3.7, "ask_size": 587.0, "iv": 1.5142, "open_interest": 0.0, "volume": 0.0, "delta": -0.5825, "gamma": 0.1071, "vega": 0.0116, "theta": -0.0096, "rho": -0.0127, "theo": 2.6869, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.75000011920929}, {"option": "YSS270115C00010000", "bid": 0.5, "bid_size": 1394.0, "ask": 0.75, "ask_size": 978.0, "iv": 1.1976, "open_interest": 405.0, "volume": 42.0, "delta": 0.3251, "gamma": 0.0994, "vega": 0.0109, "theta": -0.0095, "rho": 0.0029, "theo": 0.5901, "change": 0.125, "open": 0.55, "high": 0.55, "low": 0.5, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-11-09T15:59:14", "percent_change": 33.3333, "prev_day_close": 0.375}, {"option": "YSS270115P00010000", "bid": 3.3, "bid_size": 75.0, "ask": 4.8, "ask_size": 1428.0, "iv": 1.64, "open_interest": 637.0, "volume": 373.0, "delta": -0.6545, "gamma": 0.0984, "vega": 0.0109, "theta": -0.0091, "rho": -0.0148, "theo": 3.5056, "change": -0.95, "open": 3.65, "high": 3.65, "low": 3.49, "tick": "no_change", "last_trade_price": 3.5, "last_trade_time": "2026-11-09T15:28:36", "percent_change": -21.3483, "prev_day_close": 4.45000004768372}, {"option": "YSS270115C00011000", "bid": 0.35, "bid_size": 1973.0, "ask": 2.45, "ask_size": 2425.0, "iv": 2.0158, "open_interest": 135.0, "volume": 0.0, "delta": 0.2691, "gamma": 0.089, "vega": 0.01, "theta": -0.0089, "rho": 0.0025, "theo": 0.4692, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-11-02T15:18:25", "percent_change": 0.0, "prev_day_close": 0.299999997019768}, {"option": "YSS270115P00011000", "bid": 4.2, "bid_size": 113.0, "ask": 5.6, "ask_size": 441.0, "iv": 1.6713, "open_interest": 0.0, "volume": 0.0, "delta": -0.7101, "gamma": 0.0884, "vega": 0.01, "theta": -0.0084, "rho": -0.0166, "theo": 4.3778, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.5}, {"option": "YSS270115C00012500", "bid": 0.25, "bid_size": 1592.0, "ask": 0.5, "ask_size": 1499.0, "iv": 1.2694, "open_interest": 278.0, "volume": 25.0, "delta": 0.2085, "gamma": 0.0744, "vega": 0.0087, "theta": -0.008, "rho": 0.002, "theo": 0.3496, "change": 0.025, "open": 0.3, "high": 0.3, "low": 0.3, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-11-09T13:38:07", "percent_change": 9.09091, "prev_day_close": 0.275000005960464}, {"option": "YSS270115P00012500", "bid": 5.4, "bid_size": 490.0, "ask": 6.9, "ask_size": 757.0, "iv": 1.6471, "open_interest": 464.0, "volume": 0.0, "delta": -0.7706, "gamma": 0.0745, "vega": 0.0087, "theta": -0.0074, "rho": -0.0187, "theo": 5.7476, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 6.2, "last_trade_time": "2026-10-28T13:59:04", "percent_change": 0.0, "prev_day_close": 6.75}, {"option": "YSS270115C00014000", "bid": 0.15, "bid_size": 1828.0, "ask": 0.55, "ask_size": 2390.0, "iv": 1.3842, "open_interest": 17.0, "volume": 0.0, "delta": 0.1669, "gamma": 0.0624, "vega": 0.0076, "theta": -0.0072, "rho": 0.0016, "theo": 0.2731, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-11-02T13:18:58", "percent_change": 0.0, "prev_day_close": 0.350000012665987}, {"option": "YSS270115P00014000", "bid": 6.9, "bid_size": 39.0, "ask": 8.4, "ask_size": 278.0, "iv": 1.8115, "open_interest": 0.0, "volume": 0.0, "delta": -0.8127, "gamma": 0.0631, "vega": 0.0076, "theta": -0.0065, "rho": -0.0201, "theo": 7.1611, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.44999980926514}, {"option": "YSS270115C00015000", "bid": 0.1, "bid_size": 1992.0, "ask": 0.5, "ask_size": 2441.0, "iv": 1.4047, "open_interest": 964.0, "volume": 0.0, "delta": 0.1461, "gamma": 0.0559, "vega": 0.0069, "theta": -0.0068, "rho": 0.0014, "theo": 0.2366, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.2, "last_trade_time": "2026-10-29T11:01:47", "percent_change": 0.0, "prev_day_close": 0.175000006332994}, {"option": "YSS270115P00015000", "bid": 7.8, "bid_size": 78.0, "ask": 9.4, "ask_size": 320.0, "iv": 1.8603, "open_interest": 36.0, "volume": 10.0, "delta": -0.8339, "gamma": 0.0569, "vega": 0.007, "theta": -0.006, "rho": -0.0208, "theo": 8.1181, "change": -0.85, "open": 8.6, "high": 8.6, "low": 8.6, "tick": "down", "last_trade_price": 8.6, "last_trade_time": "2026-11-09T10:10:54", "percent_change": -8.99471, "prev_day_close": 9.44999980926514}, {"option": "YSS270115C00017500", "bid": 0.05, "bid_size": 1901.0, "ask": 0.25, "ask_size": 890.0, "iv": 1.3428, "open_interest": 130.0, "volume": 2.0, "delta": 0.1097, "gamma": 0.0434, "vega": 0.0057, "theta": -0.0058, "rho": 0.0011, "theo": 0.1745, "change": -0.125, "open": 0.1, "high": 0.1, "low": 0.1, "tick": "no_change", "last_trade_price": 0.1, "last_trade_time": "2026-11-09T15:28:42", "percent_change": -55.5556, "prev_day_close": 0.225000003352761}, {"option": "YSS270115P00017500", "bid": 10.1, "bid_size": 127.0, "ask": 11.8, "ask_size": 23.0, "iv": 1.9149, "open_interest": 9.0, "volume": 0.0, "delta": -0.8721, "gamma": 0.0453, "vega": 0.0058, "theta": -0.0049, "rho": -0.0218, "theo": 10.5414, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.61, "last_trade_time": "2026-10-15T13:37:43", "percent_change": 0.0, "prev_day_close": 11.9000000953674}, {"option": "YSS270115C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.25, "ask_size": 1419.0, "iv": 1.426, "open_interest": 129.0, "volume": 0.0, "delta": 0.0865, "gamma": 0.0348, "vega": 0.0048, "theta": -0.0051, "rho": 0.0008, "theo": 0.1364, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.12, "last_trade_time": "2026-10-09T14:36:35", "percent_change": 0.0, "prev_day_close": 0.125}, {"option": "YSS270115P00020000", "bid": 12.8, "bid_size": 13.0, "ask": 14.3, "ask_size": 24.0, "iv": 2.1898, "open_interest": 31.0, "volume": 7.0, "delta": -0.8974, "gamma": 0.0374, "vega": 0.0048, "theta": -0.004, "rho": -0.0222, "theo": 12.9907, "change": -0.61, "open": 13.54, "high": 13.54, "low": 13.54, "tick": "down", "last_trade_price": 13.54, "last_trade_time": "2026-11-09T10:25:04", "percent_change": -4.31095, "prev_day_close": 14.1500000953674}, {"option": "YSS270115C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2525.0, "iv": 1.8528, "open_interest": 114.0, "volume": 0.0, "delta": 0.0707, "gamma": 0.0288, "vega": 0.0041, "theta": -0.0045, "rho": 0.0007, "theo": 0.111, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.35, "last_trade_time": "2026-09-17T14:49:49", "percent_change": 0.0, "prev_day_close": 0.200000002980232}, {"option": "YSS270115P00022500", "bid": 15.1, "bid_size": 115.0, "ask": 16.8, "ask_size": 23.0, "iv": 2.2311, "open_interest": 0.0, "volume": 0.0, "delta": -0.9154, "gamma": 0.032, "vega": 0.0041, "theta": -0.0033, "rho": -0.0219, "theo": 15.4546, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.75, "last_trade_time": "2026-08-12T10:17:29", "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS270115C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2499.0, "iv": 2.0679, "open_interest": 101.0, "volume": 0.0, "delta": 0.0594, "gamma": 0.0243, "vega": 0.0036, "theta": -0.0041, "rho": 0.0006, "theo": 0.0931, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.33, "last_trade_time": "2026-10-07T11:32:43", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00025000", "bid": 17.5, "bid_size": 144.0, "ask": 20.0, "ask_size": 21.0, "iv": 2.666, "open_interest": 0.0, "volume": 0.0, "delta": -0.929, "gamma": 0.0281, "vega": 0.0036, "theta": -0.0027, "rho": -0.0215, "theo": 17.9276, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 17.8, "last_trade_time": "2026-10-08T15:46:38", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS270115C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2484.0, "iv": 2.2529, "open_interest": 89.0, "volume": 0.0, "delta": 0.0446, "gamma": 0.0183, "vega": 0.0028, "theta": -0.0034, "rho": 0.0004, "theo": 0.0697, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.2, "last_trade_time": "2026-09-22T10:24:31", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00030000", "bid": 22.5, "bid_size": 144.0, "ask": 25.0, "ask_size": 24.0, "iv": 2.8868, "open_interest": 0.0, "volume": 0.0, "delta": -0.9487, "gamma": 0.0233, "vega": 0.0027, "theta": -0.0017, "rho": -0.0201, "theo": 22.8902, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 19.07, "last_trade_time": "2026-08-06T15:21:00", "percent_change": 0.0, "prev_day_close": 24.3000001907349}, {"option": "YSS270115C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2522.0, "iv": 2.4035, "open_interest": 62.0, "volume": 0.0, "delta": 0.0353, "gamma": 0.0145, "vega": 0.0023, "theta": -0.0029, "rho": 0.0003, "theo": 0.0553, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-11-06T12:51:38", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "YSS270115P00035000", "bid": 27.5, "bid_size": 144.0, "ask": 30.0, "ask_size": 18.0, "iv": 3.0691, "open_interest": 0.0, "volume": 0.0, "delta": -0.9629, "gamma": 0.0207, "vega": 0.002, "theta": -0.001, "rho": -0.0169, "theo": 27.8664, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 25.1, "last_trade_time": "2026-08-11T10:05:57", "percent_change": 0.0, "prev_day_close": 29.4499998092651}, {"option": "YSS270115C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2529.0, "iv": 2.5302, "open_interest": 79.0, "volume": 0.0, "delta": 0.0291, "gamma": 0.0119, "vega": 0.002, "theta": -0.0026, "rho": 0.0003, "theo": 0.0456, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-11-06T13:22:58", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "YSS270115P00040000", "bid": 32.5, "bid_size": 124.0, "ask": 35.0, "ask_size": 7.0, "iv": 3.2248, "open_interest": 0.0, "volume": 0.0, "delta": -0.9736, "gamma": 0.0184, "vega": 0.0014, "theta": -0.0002, "rho": -0.0121, "theo": 32.8508, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 24.76, "last_trade_time": "2026-07-24T15:16:56", "percent_change": 0.0, "prev_day_close": 34.4500007629394}, {"option": "YSS270115C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 2417.0, "iv": 2.479, "open_interest": 10.0, "volume": 0.0, "delta": 0.0247, "gamma": 0.0101, "vega": 0.0017, "theta": -0.0023, "rho": 0.0002, "theo": 0.0387, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.75, "last_trade_time": "2026-07-31T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00045000", "bid": 37.5, "bid_size": 124.0, "ask": 40.0, "ask_size": 8.0, "iv": 3.3606, "open_interest": 0.0, "volume": 0.0, "delta": -0.9834, "gamma": 0.018, "vega": 0.0011, "theta": 0.0, "rho": -0.0114, "theo": 37.8414, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 24.1, "last_trade_time": "2026-06-26T12:27:05", "percent_change": 0.0, "prev_day_close": 39.3999996185303}, {"option": "YSS270115C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2498.0, "iv": 2.6157, "open_interest": 61.0, "volume": 0.0, "delta": 0.0214, "gamma": 0.0087, "vega": 0.0015, "theta": -0.0021, "rho": 0.0002, "theo": 0.0336, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.01, "last_trade_time": "2026-10-19T12:12:34", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00050000", "bid": 42.5, "bid_size": 124.0, "ask": 45.0, "ask_size": 8.0, "iv": 3.481, "open_interest": 0.0, "volume": 0.0, "delta": -0.9903, "gamma": 0.0167, "vega": 0.0005, "theta": 0.0, "rho": -0.0046, "theo": 42.8355, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 29.3, "last_trade_time": "2026-06-25T10:37:53", "percent_change": 0.0, "prev_day_close": 44.4500007629394}, {"option": "YSS270115C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2499.0, "iv": 2.6994, "open_interest": 55.0, "volume": 0.0, "delta": 0.0188, "gamma": 0.0076, "vega": 0.0014, "theta": -0.0019, "rho": 0.0002, "theo": 0.0296, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.3, "last_trade_time": "2026-07-14T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00055000", "bid": 47.5, "bid_size": 124.0, "ask": 50.0, "ask_size": 8.0, "iv": 3.5894, "open_interest": 0.0, "volume": 0.0, "delta": -0.9948, "gamma": 0.0092, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 47.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 26.4, "last_trade_time": "2026-04-15T15:08:29", "percent_change": 0.0, "prev_day_close": 49.4500007629394}, {"option": "YSS270115C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2383.0, "iv": 2.7747, "open_interest": 6.0, "volume": 0.0, "delta": 0.0168, "gamma": 0.0068, "vega": 0.0012, "theta": -0.0018, "rho": 0.0002, "theo": 0.0265, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.95, "last_trade_time": "2026-07-16T09:30:03", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00060000", "bid": 52.5, "bid_size": 124.0, "ask": 55.0, "ask_size": 8.0, "iv": 3.6882, "open_interest": 0.0, "volume": 0.0, "delta": -0.9981, "gamma": 0.0032, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 52.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 54.4500007629394}, {"option": "YSS270115C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2488.0, "iv": 2.8432, "open_interest": 928.0, "volume": 0.0, "delta": 0.0151, "gamma": 0.0061, "vega": 0.0011, "theta": -0.0016, "rho": 0.0001, "theo": 0.0239, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-01T09:57:00", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270115P00065000", "bid": 57.5, "bid_size": 124.0, "ask": 60.0, "ask_size": 8.0, "iv": 3.7792, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 57.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 36.9, "last_trade_time": "2026-05-11T10:07:13", "percent_change": 0.0, "prev_day_close": 59.2999992370606}, {"option": "YSS270219C00001000", "bid": 4.7, "bid_size": 41.0, "ask": 6.6, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9995, "gamma": 0.0008, "vega": 0.0, "theta": -0.0019, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.79999995231628}, {"option": "YSS270219P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 1.0, "iv": 1.9202, "open_interest": 0.0, "volume": 0.0, "delta": -0.0092, "gamma": 0.0032, "vega": 0.0009, "theta": -0.0009, "rho": -0.0003, "theo": 0.0349, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270219C00002500", "bid": 3.5, "bid_size": 147.0, "ask": 4.9, "ask_size": 16.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9582, "gamma": 0.0214, "vega": 0.0027, "theta": -0.0028, "rho": 0.0022, "theo": 4.7176, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.29999995231628}, {"option": "YSS270219P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1863.0, "iv": 2.0536, "open_interest": 1.0, "volume": 0.0, "delta": -0.0447, "gamma": 0.0162, "vega": 0.0036, "theta": -0.0026, "rho": -0.0013, "theo": 0.1484, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.38, "last_trade_time": "2026-10-27T12:15:08", "percent_change": 0.0, "prev_day_close": 0.349999994039536}, {"option": "YSS270219C00004000", "bid": 2.1, "bid_size": 145.0, "ask": 3.7, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.8752, "gamma": 0.0454, "vega": 0.007, "theta": -0.0047, "rho": 0.0048, "theo": 3.4297, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.25}, {"option": "YSS270219P00004000", "bid": 0.05, "bid_size": 456.0, "ask": 0.5, "ask_size": 492.0, "iv": 1.1169, "open_interest": 3.0, "volume": 0.0, "delta": -0.1174, "gamma": 0.0401, "vega": 0.0074, "theta": -0.0046, "rho": -0.0035, "theo": 0.3902, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-11-04T10:04:24", "percent_change": 0.0, "prev_day_close": 0.450000002980232}, {"option": "YSS270219C00005000", "bid": 1.7, "bid_size": 139.0, "ask": 2.9, "ask_size": 2.0, "iv": 0.7498, "open_interest": 2.0, "volume": 0.0, "delta": 0.7965, "gamma": 0.0643, "vega": 0.01, "theta": -0.006, "rho": 0.0059, "theo": 2.6958, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.7, "last_trade_time": "2026-10-22T11:17:36", "percent_change": 0.0, "prev_day_close": 1.64999997615814}, {"option": "YSS270219P00005000", "bid": 0.5, "bid_size": 19.0, "ask": 0.8, "ask_size": 887.0, "iv": 1.171, "open_interest": 55.0, "volume": 0.0, "delta": -0.19, "gamma": 0.0594, "vega": 0.0102, "theta": -0.0058, "rho": -0.0057, "theo": 0.6653, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.75, "last_trade_time": "2026-10-27T12:15:08", "percent_change": 0.0, "prev_day_close": 0.824999988079071}, {"option": "YSS270219C00006000", "bid": 1.2, "bid_size": 469.0, "ask": 2.4, "ask_size": 80.0, "iv": 0.8988, "open_interest": 0.0, "volume": 0.0, "delta": 0.7038, "gamma": 0.0808, "vega": 0.0125, "theta": -0.007, "rho": 0.0064, "theo": 2.0888, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.17499998211861}, {"option": "YSS270219P00006000", "bid": 0.9, "bid_size": 871.0, "ask": 1.3, "ask_size": 1774.0, "iv": 1.1622, "open_interest": 1.0, "volume": 0.0, "delta": -0.2773, "gamma": 0.0765, "vega": 0.0125, "theta": -0.0068, "rho": -0.0085, "theo": 1.0613, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.36, "last_trade_time": "2026-11-06T15:01:13", "percent_change": 0.0, "prev_day_close": 1.32500004768372}, {"option": "YSS270219C00007500", "bid": 1.1, "bid_size": 1775.0, "ask": 1.75, "ask_size": 888.0, "iv": 1.1, "open_interest": 78.0, "volume": 0.0, "delta": 0.5617, "gamma": 0.0934, "vega": 0.0144, "theta": -0.0078, "rho": 0.0061, "theo": 1.4286, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.15, "last_trade_time": "2026-10-27T09:30:32", "percent_change": 0.0, "prev_day_close": 0.975000023841858}, {"option": "YSS270219P00007500", "bid": 1.6, "bid_size": 927.0, "ask": 2.0, "ask_size": 1028.0, "iv": 1.0357, "open_interest": 93.0, "volume": 4.0, "delta": -0.4138, "gamma": 0.0904, "vega": 0.0144, "theta": -0.0075, "rho": -0.0133, "theo": 1.8963, "change": -0.385, "open": 1.87, "high": 1.89, "low": 1.87, "tick": "up", "last_trade_price": 1.89, "last_trade_time": "2026-11-09T15:46:48", "percent_change": -16.9231, "prev_day_close": 2.27499997615814}, {"option": "YSS270219C00009000", "bid": 0.75, "bid_size": 1930.0, "ask": 1.3, "ask_size": 1595.0, "iv": 1.1209, "open_interest": 0.0, "volume": 0.0, "delta": 0.4418, "gamma": 0.0923, "vega": 0.0146, "theta": -0.008, "rho": 0.0053, "theo": 1.0144, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.650000005960464}, {"option": "YSS270219P00009000", "bid": 2.6, "bid_size": 339.0, "ask": 3.9, "ask_size": 416.0, "iv": 1.3049, "open_interest": 0.0, "volume": 0.0, "delta": -0.5306, "gamma": 0.0905, "vega": 0.0145, "theta": -0.0075, "rho": -0.018, "theo": 2.9709, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.89999997615814}, {"option": "YSS270219C00010000", "bid": 0.55, "bid_size": 381.0, "ask": 1.1, "ask_size": 265.0, "iv": 1.1281, "open_interest": 15.0, "volume": 0.0, "delta": 0.3789, "gamma": 0.0874, "vega": 0.0141, "theta": -0.0078, "rho": 0.0047, "theo": 0.8309, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.65, "last_trade_time": "2026-10-30T10:13:40", "percent_change": 0.0, "prev_day_close": 0.500000014901161}, {"option": "YSS270219P00010000", "bid": 3.4, "bid_size": 40.0, "ask": 5.0, "ask_size": 14.0, "iv": 1.4256, "open_interest": 260.0, "volume": 0.0, "delta": -0.5924, "gamma": 0.0862, "vega": 0.014, "theta": -0.0073, "rho": -0.0206, "theo": 3.7782, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.9, "last_trade_time": "2026-11-05T15:06:53", "percent_change": 0.0, "prev_day_close": 4.59999990463257}, {"option": "YSS270219C00011000", "bid": 0.45, "bid_size": 97.0, "ask": 1.0, "ask_size": 375.0, "iv": 1.1768, "open_interest": 0.0, "volume": 0.0, "delta": 0.3282, "gamma": 0.0813, "vega": 0.0134, "theta": -0.0076, "rho": 0.0042, "theo": 0.6958, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.425000011920929}, {"option": "YSS270219P00011000", "bid": 4.2, "bid_size": 43.0, "ask": 5.7, "ask_size": 21.0, "iv": 1.3836, "open_interest": 0.0, "volume": 0.0, "delta": -0.6426, "gamma": 0.0808, "vega": 0.0134, "theta": -0.0069, "rho": -0.023, "theo": 4.6334, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.75}, {"option": "YSS270219C00012500", "bid": 0.3, "bid_size": 366.0, "ask": 0.8, "ask_size": 731.0, "iv": 1.19, "open_interest": 97.0, "volume": 0.0, "delta": 0.27, "gamma": 0.072, "vega": 0.0123, "theta": -0.0071, "rho": 0.0035, "theo": 0.5528, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-10-20T14:26:45", "percent_change": 0.0, "prev_day_close": 0.325000002980232}, {"option": "YSS270219P00012500", "bid": 5.5, "bid_size": 66.0, "ask": 7.2, "ask_size": 19.0, "iv": 1.4769, "open_interest": 174.0, "volume": 0.0, "delta": -0.7008, "gamma": 0.0723, "vega": 0.0123, "theta": -0.0064, "rho": -0.0258, "theo": 5.9757, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.68, "last_trade_time": "2026-11-03T12:07:20", "percent_change": 0.0, "prev_day_close": 7.05000019073486}, {"option": "YSS270219C00014000", "bid": 0.25, "bid_size": 20.0, "ask": 0.65, "ask_size": 230.0, "iv": 1.2255, "open_interest": 0.0, "volume": 0.0, "delta": 0.2274, "gamma": 0.0637, "vega": 0.0112, "theta": -0.0067, "rho": 0.003, "theo": 0.4549, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.350000008940697}, {"option": "YSS270219P00014000", "bid": 6.9, "bid_size": 16.0, "ask": 8.7, "ask_size": 6.0, "iv": 1.5782, "open_interest": 0.0, "volume": 0.0, "delta": -0.7441, "gamma": 0.0647, "vega": 0.0113, "theta": -0.0058, "rho": -0.028, "theo": 7.3635, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.44999980926514}, {"option": "YSS270219C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1.0, "iv": 1.0318, "open_interest": 60.0, "volume": 0.0, "delta": 0.2051, "gamma": 0.0588, "vega": 0.0106, "theta": -0.0064, "rho": 0.0028, "theo": 0.4057, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.2, "last_trade_time": "2026-10-14T14:21:49", "percent_change": 0.0, "prev_day_close": 0.275000005960464}, {"option": "YSS270219P00015000", "bid": 6.8, "bid_size": 309.0, "ask": 10.3, "ask_size": 33.0, "iv": 1.4661, "open_interest": 150.0, "volume": 0.0, "delta": -0.7671, "gamma": 0.0602, "vega": 0.0107, "theta": -0.0054, "rho": -0.029, "theo": 8.3053, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.23, "last_trade_time": "2026-11-03T10:11:19", "percent_change": 0.0, "prev_day_close": 9.44999980926514}, {"option": "YSS270219C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 544.0, "iv": 1.2914, "open_interest": 7.0, "volume": 0.0, "delta": 0.1637, "gamma": 0.0489, "vega": 0.0092, "theta": -0.0058, "rho": 0.0022, "theo": 0.3179, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-10-26T12:51:40", "percent_change": 0.0, "prev_day_close": 0.300000000745058}, {"option": "YSS270219P00017500", "bid": 10.1, "bid_size": 75.0, "ask": 12.2, "ask_size": 10.0, "iv": 1.7187, "open_interest": 5.0, "volume": 0.0, "delta": -0.8106, "gamma": 0.0513, "vega": 0.0093, "theta": -0.0046, "rho": -0.0311, "theo": 10.6967, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 8.44, "last_trade_time": "2026-08-17T14:37:13", "percent_change": 0.0, "prev_day_close": 11.9000000953674}, {"option": "YSS270219C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 1770.0, "iv": 1.4661, "open_interest": 4.0, "volume": 0.0, "delta": 0.1356, "gamma": 0.0414, "vega": 0.0081, "theta": -0.0053, "rho": 0.0018, "theo": 0.2605, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.83, "last_trade_time": "2026-09-24T09:54:31", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270219P00020000", "bid": 12.6, "bid_size": 69.0, "ask": 14.7, "ask_size": 14.0, "iv": 1.8637, "open_interest": 0.0, "volume": 0.0, "delta": -0.8413, "gamma": 0.0447, "vega": 0.0082, "theta": -0.0038, "rho": -0.0322, "theo": 13.121, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS270219C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1880.0, "iv": 1.5961, "open_interest": 1.0, "volume": 0.0, "delta": 0.1155, "gamma": 0.0358, "vega": 0.0072, "theta": -0.0049, "rho": 0.0016, "theo": 0.2204, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.1, "last_trade_time": "2026-08-05T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270219P00022500", "bid": 15.0, "bid_size": 75.0, "ask": 17.6, "ask_size": 20.0, "iv": 2.1064, "open_interest": 0.0, "volume": 0.0, "delta": -0.8642, "gamma": 0.0398, "vega": 0.0073, "theta": -0.0032, "rho": -0.0325, "theo": 15.5649, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS270219C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2335.0, "iv": 1.5987, "open_interest": 1.0, "volume": 0.0, "delta": 0.1005, "gamma": 0.0314, "vega": 0.0065, "theta": -0.0046, "rho": 0.0014, "theo": 0.1909, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.21, "last_trade_time": "2026-08-05T15:51:09", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270219P00025000", "bid": 17.4, "bid_size": 75.0, "ask": 20.0, "ask_size": 10.0, "iv": 2.1381, "open_interest": 0.0, "volume": 0.0, "delta": -0.8822, "gamma": 0.0362, "vega": 0.0065, "theta": -0.0026, "rho": -0.0333, "theo": 18.0216, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 11.36, "last_trade_time": "2026-07-13T10:16:27", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS270219C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2339.0, "iv": 1.7455, "open_interest": 0.0, "volume": 0.0, "delta": 0.0797, "gamma": 0.0252, "vega": 0.0055, "theta": -0.004, "rho": 0.0011, "theo": 0.1508, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270219P00030000", "bid": 22.3, "bid_size": 74.0, "ask": 25.0, "ask_size": 18.0, "iv": 2.2836, "open_interest": 0.0, "volume": 0.0, "delta": -0.909, "gamma": 0.0314, "vega": 0.0053, "theta": -0.0016, "rho": -0.0324, "theo": 22.959, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 14.64, "last_trade_time": "2026-07-09T13:04:44", "percent_change": 0.0, "prev_day_close": 24.3000001907349}, {"option": "YSS270219C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2336.0, "iv": 1.9577, "open_interest": 1.0, "volume": 0.0, "delta": 0.0661, "gamma": 0.021, "vega": 0.0048, "theta": -0.0036, "rho": 0.0009, "theo": 0.1249, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.8, "last_trade_time": "2026-07-07T09:30:02", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "YSS270219P00035000", "bid": 27.4, "bid_size": 69.0, "ask": 30.0, "ask_size": 23.0, "iv": 2.4789, "open_interest": 0.0, "volume": 0.0, "delta": -0.9286, "gamma": 0.0282, "vega": 0.0042, "theta": -0.0007, "rho": -0.029, "theo": 27.9164, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 17.06, "last_trade_time": "2026-06-26T10:26:32", "percent_change": 0.0, "prev_day_close": 29.3000001907349}, {"option": "YSS270219C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2341.0, "iv": 1.9661, "open_interest": 17.0, "volume": 0.0, "delta": 0.0565, "gamma": 0.018, "vega": 0.0042, "theta": -0.0033, "rho": 0.0008, "theo": 0.1067, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-08-28T10:09:31", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "YSS270219P00040000", "bid": 32.4, "bid_size": 69.0, "ask": 35.0, "ask_size": 20.0, "iv": 2.6117, "open_interest": 0.0, "volume": 0.0, "delta": -0.9444, "gamma": 0.0266, "vega": 0.0035, "theta": 0.0, "rho": -0.0265, "theo": 32.886, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.26, "last_trade_time": "2026-06-26T09:44:25", "percent_change": 0.0, "prev_day_close": 34.2999992370606}, {"option": "YSS270219C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 2331.0, "iv": 2.0529, "open_interest": 2.0, "volume": 0.0, "delta": 0.0494, "gamma": 0.0157, "vega": 0.0038, "theta": -0.003, "rho": 0.0007, "theo": 0.0934, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.59, "last_trade_time": "2026-08-10T13:35:41", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "YSS270219P00045000", "bid": 37.4, "bid_size": 69.0, "ask": 40.0, "ask_size": 22.0, "iv": 2.7279, "open_interest": 0.0, "volume": 0.0, "delta": -0.9576, "gamma": 0.0255, "vega": 0.0026, "theta": 0.0, "rho": -0.0221, "theo": 37.8651, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 25.15, "last_trade_time": "2026-06-25T11:39:35", "percent_change": 0.0, "prev_day_close": 39.2999992370606}, {"option": "YSS270319C00001000", "bid": 4.7, "bid_size": 41.0, "ask": 6.5, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9974, "gamma": 0.0039, "vega": 0.0, "theta": -0.001, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.94999992847443}, {"option": "YSS270319P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 1.0, "iv": 1.7048, "open_interest": 0.0, "volume": 0.0, "delta": -0.0105, "gamma": 0.0034, "vega": 0.0012, "theta": -0.0008, "rho": -0.0004, "theo": 0.0439, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319C00002500", "bid": 3.3, "bid_size": 148.0, "ask": 5.1, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9479, "gamma": 0.0208, "vega": 0.0038, "theta": -0.0025, "rho": 0.0034, "theo": 4.757, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.39999997615814}, {"option": "YSS270319P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2534.0, "iv": 1.8253, "open_interest": 162.0, "volume": 0.0, "delta": -0.0501, "gamma": 0.0165, "vega": 0.0044, "theta": -0.0024, "rho": -0.0019, "theo": 0.1899, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-11-03T10:56:14", "percent_change": 0.0, "prev_day_close": 0.300000000745058}, {"option": "YSS270319C00004000", "bid": 2.2, "bid_size": 142.0, "ask": 3.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.8636, "gamma": 0.042, "vega": 0.0085, "theta": -0.0043, "rho": 0.0062, "theo": 3.5371, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.40000003576279}, {"option": "YSS270319P00004000", "bid": 0.35, "bid_size": 32.0, "ask": 0.55, "ask_size": 34.0, "iv": 1.2103, "open_interest": 0.0, "volume": 0.0, "delta": -0.125, "gamma": 0.0379, "vega": 0.0087, "theta": -0.0042, "rho": -0.0048, "theo": 0.4887, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "YSS270319C00005000", "bid": 1.95, "bid_size": 145.0, "ask": 3.1, "ask_size": 11.0, "iv": 0.8864, "open_interest": 10.0, "volume": 0.0, "delta": 0.7896, "gamma": 0.0572, "vega": 0.0115, "theta": -0.0053, "rho": 0.0073, "theo": 2.8548, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.24, "last_trade_time": "2026-10-30T15:48:48", "percent_change": 0.0, "prev_day_close": 2.125}, {"option": "YSS270319P00005000", "bid": 0.55, "bid_size": 343.0, "ask": 0.95, "ask_size": 710.0, "iv": 1.1315, "open_interest": 53.0, "volume": 0.0, "delta": -0.194, "gamma": 0.0535, "vega": 0.0116, "theta": -0.0052, "rho": -0.0075, "theo": 0.8089, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.85, "last_trade_time": "2026-10-28T13:51:16", "percent_change": 0.0, "prev_day_close": 0.974999964237213}, {"option": "YSS270319C00006000", "bid": 1.8, "bid_size": 833.0, "ask": 2.6, "ask_size": 451.0, "iv": 1.0742, "open_interest": 113.0, "volume": 0.0, "delta": 0.7072, "gamma": 0.0698, "vega": 0.014, "theta": -0.0062, "rho": 0.0078, "theo": 2.2927, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.55, "last_trade_time": "2026-11-06T13:32:40", "percent_change": 0.0, "prev_day_close": 1.69999998807907}, {"option": "YSS270319P00006000", "bid": 1.15, "bid_size": 253.0, "ask": 1.5, "ask_size": 1737.0, "iv": 1.1987, "open_interest": 0.0, "volume": 0.0, "delta": -0.2723, "gamma": 0.0668, "vega": 0.014, "theta": -0.006, "rho": -0.0106, "theo": 1.2434, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "YSS270319C00007500", "bid": 1.6, "bid_size": 76.0, "ask": 2.05, "ask_size": 1016.0, "iv": 1.2164, "open_interest": 455.0, "volume": 200.0, "delta": 0.5848, "gamma": 0.0803, "vega": 0.0161, "theta": -0.0069, "rho": 0.0076, "theo": 1.6665, "change": 0.275, "open": 1.5, "high": 1.5, "low": 1.5, "tick": "no_change", "last_trade_price": 1.5, "last_trade_time": "2026-11-09T13:17:52", "percent_change": 22.449, "prev_day_close": 1.22499996423721}, {"option": "YSS270319P00007500", "bid": 1.9, "bid_size": 684.0, "ask": 2.25, "ask_size": 1055.0, "iv": 1.0985, "open_interest": 175.0, "volume": 1.0, "delta": -0.3909, "gamma": 0.0784, "vega": 0.0161, "theta": -0.0067, "rho": -0.0158, "theo": 2.1058, "change": -0.24, "open": 2.26, "high": 2.26, "low": 2.26, "tick": "up", "last_trade_price": 2.26, "last_trade_time": "2026-11-09T13:10:27", "percent_change": -9.6, "prev_day_close": 2.5}, {"option": "YSS270319C00009000", "bid": 1.2, "bid_size": 357.0, "ask": 1.45, "ask_size": 1035.0, "iv": 1.1692, "open_interest": 0.0, "volume": 200.0, "delta": 0.4798, "gamma": 0.0815, "vega": 0.0166, "theta": -0.0072, "rho": 0.0068, "theo": 1.2497, "change": 0.175, "open": 1.1, "high": 1.1, "low": 1.1, "tick": "no_change", "last_trade_price": 1.1, "last_trade_time": "2026-11-09T13:19:21", "percent_change": 18.9189, "prev_day_close": 0.925000011920929}, {"option": "YSS270319P00009000", "bid": 2.8, "bid_size": 473.0, "ask": 3.3, "ask_size": 37.0, "iv": 1.0494, "open_interest": 0.0, "volume": 0.0, "delta": -0.494, "gamma": 0.0806, "vega": 0.0166, "theta": -0.0068, "rho": -0.0206, "theo": 3.1732, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.90000009536743}, {"option": "YSS270319C00010000", "bid": 0.95, "bid_size": 644.0, "ask": 1.3, "ask_size": 1575.0, "iv": 1.18, "open_interest": 78.0, "volume": 0.0, "delta": 0.4224, "gamma": 0.0791, "vega": 0.0164, "theta": -0.0071, "rho": 0.0062, "theo": 1.0537, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-10-26T11:01:02", "percent_change": 0.0, "prev_day_close": 0.75}, {"option": "YSS270319P00010000", "bid": 3.7, "bid_size": 362.0, "ask": 4.8, "ask_size": 685.0, "iv": 1.309, "open_interest": 220.0, "volume": 40.0, "delta": -0.551, "gamma": 0.0789, "vega": 0.0164, "theta": -0.0068, "rho": -0.0234, "theo": 3.9659, "change": -0.8, "open": 4.1, "high": 4.1, "low": 3.9, "tick": "down", "last_trade_price": 3.9, "last_trade_time": "2026-11-09T15:15:38", "percent_change": -17.0213, "prev_day_close": 4.70000004768372}, {"option": "YSS270319C00011000", "bid": 0.8, "bid_size": 427.0, "ask": 1.2, "ask_size": 1990.0, "iv": 1.2133, "open_interest": 0.0, "volume": 200.0, "delta": 0.3744, "gamma": 0.0755, "vega": 0.0159, "theta": -0.007, "rho": 0.0057, "theo": 0.9033, "change": 0.2, "open": 0.85, "high": 0.85, "low": 0.85, "tick": "up", "last_trade_price": 0.85, "last_trade_time": "2026-11-09T14:42:24", "percent_change": 30.7692, "prev_day_close": 0.650000005960464}, {"option": "YSS270319P00011000", "bid": 4.4, "bid_size": 402.0, "ask": 5.8, "ask_size": 366.0, "iv": 1.3359, "open_interest": 0.0, "volume": 0.0, "delta": -0.599, "gamma": 0.0758, "vega": 0.0159, "theta": -0.0066, "rho": -0.0258, "theo": 4.804, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.64999985694885}, {"option": "YSS270319C00012500", "bid": 0.6, "bid_size": 640.0, "ask": 0.8, "ask_size": 746.0, "iv": 1.1552, "open_interest": 117.0, "volume": 0.0, "delta": 0.3171, "gamma": 0.0693, "vega": 0.0149, "theta": -0.0067, "rho": 0.005, "theo": 0.7369, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-10-28T13:30:09", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "YSS270319P00012500", "bid": 5.7, "bid_size": 423.0, "ask": 7.3, "ask_size": 413.0, "iv": 1.4232, "open_interest": 103.0, "volume": 0.0, "delta": -0.6571, "gamma": 0.0704, "vega": 0.015, "theta": -0.0062, "rho": -0.0289, "theo": 6.121, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.9, "last_trade_time": "2026-09-29T11:52:28", "percent_change": 0.0, "prev_day_close": 7.15000009536743}, {"option": "YSS270319C00014000", "bid": 0.45, "bid_size": 695.0, "ask": 0.85, "ask_size": 1972.0, "iv": 1.2313, "open_interest": 0.0, "volume": 0.0, "delta": 0.2731, "gamma": 0.0632, "vega": 0.014, "theta": -0.0064, "rho": 0.0044, "theo": 0.618, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.399999991059303}, {"option": "YSS270319P00014000", "bid": 7.1, "bid_size": 28.0, "ask": 8.7, "ask_size": 141.0, "iv": 1.4853, "open_interest": 0.0, "volume": 0.0, "delta": -0.7023, "gamma": 0.065, "vega": 0.014, "theta": -0.0058, "rho": -0.0313, "theo": 7.4864, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.55000019073486}, {"option": "YSS270319C00015000", "bid": 0.4, "bid_size": 150.0, "ask": 0.8, "ask_size": 2260.0, "iv": 1.2594, "open_interest": 136.0, "volume": 10.0, "delta": 0.2494, "gamma": 0.0594, "vega": 0.0133, "theta": -0.0062, "rho": 0.004, "theo": 0.5568, "change": 0.15, "open": 0.5, "high": 0.5, "low": 0.5, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-11-09T13:24:10", "percent_change": 42.8571, "prev_day_close": 0.350000008940697}, {"option": "YSS270319P00015000", "bid": 8.0, "bid_size": 81.0, "ask": 9.7, "ask_size": 376.0, "iv": 1.5266, "open_interest": 102.0, "volume": 0.0, "delta": -0.7271, "gamma": 0.0617, "vega": 0.0134, "theta": -0.0056, "rho": -0.0327, "theo": 8.4152, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.7, "last_trade_time": "2026-09-28T12:32:48", "percent_change": 0.0, "prev_day_close": 9.5}, {"option": "YSS270319C00017500", "bid": 0.25, "bid_size": 917.0, "ask": 0.55, "ask_size": 1743.0, "iv": 1.2339, "open_interest": 137.0, "volume": 0.0, "delta": 0.2039, "gamma": 0.0511, "vega": 0.0119, "theta": -0.0058, "rho": 0.0033, "theo": 0.4443, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-10-12T15:35:14", "percent_change": 0.0, "prev_day_close": 0.375000014901161}, {"option": "YSS270319P00017500", "bid": 10.2, "bid_size": 153.0, "ask": 12.5, "ask_size": 64.0, "iv": 1.6852, "open_interest": 1.0, "volume": 0.0, "delta": -0.7754, "gamma": 0.0544, "vega": 0.0119, "theta": -0.0049, "rho": -0.0351, "theo": 10.7801, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.5, "last_trade_time": "2026-11-03T10:01:04", "percent_change": 0.0, "prev_day_close": 11.9500002861023}, {"option": "YSS270319C00020000", "bid": 0.2, "bid_size": 16.0, "ask": 0.8, "ask_size": 1549.0, "iv": 1.429, "open_interest": 34.0, "volume": 0.0, "delta": 0.1719, "gamma": 0.0445, "vega": 0.0107, "theta": -0.0053, "rho": 0.0028, "theo": 0.3685, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-11-04T10:32:52", "percent_change": 0.0, "prev_day_close": 0.224999997764826}, {"option": "YSS270319P00020000", "bid": 12.6, "bid_size": 510.0, "ask": 13.9, "ask_size": 18.0, "iv": 1.3729, "open_interest": 315.0, "volume": 0.0, "delta": -0.8108, "gamma": 0.0488, "vega": 0.0106, "theta": -0.0044, "rho": -0.0368, "theo": 13.1847, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 13.03, "last_trade_time": "2026-10-29T11:47:09", "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS270319C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2291.0, "iv": 1.4108, "open_interest": 50.0, "volume": 0.0, "delta": 0.1483, "gamma": 0.0393, "vega": 0.0097, "theta": -0.005, "rho": 0.0025, "theo": 0.3144, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-09-29T10:16:26", "percent_change": 0.0, "prev_day_close": 0.324999988079071}, {"option": "YSS270319P00022500", "bid": 15.0, "bid_size": 69.0, "ask": 17.4, "ask_size": 13.0, "iv": 1.8302, "open_interest": 0.0, "volume": 0.0, "delta": -0.8378, "gamma": 0.0444, "vega": 0.0095, "theta": -0.0038, "rho": -0.0372, "theo": 15.6137, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 8.0, "last_trade_time": "2026-06-15T09:33:00", "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS270319C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2371.0, "iv": 1.4904, "open_interest": 54.0, "volume": 0.0, "delta": 0.1303, "gamma": 0.0351, "vega": 0.0089, "theta": -0.0047, "rho": 0.0022, "theo": 0.2742, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 10.1, "last_trade_time": "2026-06-23T09:31:03", "percent_change": 0.0, "prev_day_close": 0.324999988079071}, {"option": "YSS270319P00025000", "bid": 17.5, "bid_size": 75.0, "ask": 19.9, "ask_size": 13.0, "iv": 1.93, "open_interest": 2.0, "volume": 0.0, "delta": -0.8594, "gamma": 0.0411, "vega": 0.0085, "theta": -0.0034, "rho": -0.0376, "theo": 18.0588, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 18.0, "last_trade_time": "2026-10-09T11:50:04", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS270319C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2698.0, "iv": 1.6232, "open_interest": 17.0, "volume": 0.0, "delta": 0.1049, "gamma": 0.0288, "vega": 0.0076, "theta": -0.0042, "rho": 0.0018, "theo": 0.2184, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-11-05T09:36:19", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00030000", "bid": 22.3, "bid_size": 74.0, "ask": 25.0, "ask_size": 14.0, "iv": 2.0639, "open_interest": 0.0, "volume": 0.0, "delta": -0.8921, "gamma": 0.0363, "vega": 0.0069, "theta": -0.0026, "rho": -0.0363, "theo": 22.9798, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.9, "last_trade_time": "2026-05-11T11:30:21", "percent_change": 0.0, "prev_day_close": 24.3499994277954}, {"option": "YSS270319C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 1165.0, "iv": 1.6201, "open_interest": 32.0, "volume": 0.0, "delta": 0.0878, "gamma": 0.0244, "vega": 0.0067, "theta": -0.0038, "rho": 0.0015, "theo": 0.1818, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-10-08T10:54:44", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00035000", "bid": 27.2, "bid_size": 75.0, "ask": 30.0, "ask_size": 15.0, "iv": 2.1686, "open_interest": 0.0, "volume": 0.0, "delta": -0.9166, "gamma": 0.0334, "vega": 0.0056, "theta": -0.0019, "rho": -0.0341, "theo": 27.927, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 17.0, "last_trade_time": "2026-06-26T11:24:55", "percent_change": 0.0, "prev_day_close": 29.3999996185303}, {"option": "YSS270319C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 61.0, "iv": 1.7087, "open_interest": 46.0, "volume": 0.0, "delta": 0.0757, "gamma": 0.0212, "vega": 0.006, "theta": -0.0034, "rho": 0.0013, "theo": 0.156, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-09-03T11:31:49", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00040000", "bid": 32.2, "bid_size": 22.0, "ask": 35.0, "ask_size": 8.0, "iv": 2.2896, "open_interest": 0.0, "volume": 0.0, "delta": -0.9364, "gamma": 0.0316, "vega": 0.0044, "theta": -0.0014, "rho": -0.0291, "theo": 32.8906, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.26, "last_trade_time": "2026-06-26T14:48:56", "percent_change": 0.0, "prev_day_close": 34.3500003814697}, {"option": "YSS270319C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2693.0, "iv": 1.901, "open_interest": 16.0, "volume": 0.0, "delta": 0.0665, "gamma": 0.0187, "vega": 0.0054, "theta": -0.0032, "rho": 0.0011, "theo": 0.1368, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.55, "last_trade_time": "2026-07-29T10:26:08", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00045000", "bid": 37.2, "bid_size": 22.0, "ask": 40.0, "ask_size": 8.0, "iv": 2.396, "open_interest": 0.0, "volume": 0.0, "delta": -0.9528, "gamma": 0.0304, "vega": 0.0033, "theta": -0.001, "rho": -0.0247, "theo": 37.8655, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 25.1, "last_trade_time": "2026-06-26T14:48:05", "percent_change": 0.0, "prev_day_close": 39.25}, {"option": "YSS270319C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 58.0, "iv": 1.8524, "open_interest": 63.0, "volume": 0.0, "delta": 0.0595, "gamma": 0.0168, "vega": 0.0049, "theta": -0.003, "rho": 0.001, "theo": 0.1221, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.19, "last_trade_time": "2026-09-23T11:28:46", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00050000", "bid": 42.2, "bid_size": 49.0, "ask": 45.0, "ask_size": 8.0, "iv": 2.4913, "open_interest": 0.0, "volume": 0.0, "delta": -0.9674, "gamma": 0.0298, "vega": 0.0023, "theta": -0.0003, "rho": -0.0183, "theo": 42.8492, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 30.26, "last_trade_time": "2026-06-26T09:43:12", "percent_change": 0.0, "prev_day_close": 44.4000015258789}, {"option": "YSS270319C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2603.0, "iv": 2.0309, "open_interest": 62.0, "volume": 0.0, "delta": 0.0538, "gamma": 0.0152, "vega": 0.0046, "theta": -0.0028, "rho": 0.0009, "theo": 0.1103, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.45, "last_trade_time": "2026-07-27T09:30:04", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00055000", "bid": 47.2, "bid_size": 22.0, "ask": 50.0, "ask_size": 8.0, "iv": 2.5776, "open_interest": 0.0, "volume": 0.0, "delta": -0.9784, "gamma": 0.0256, "vega": 0.0015, "theta": 0.0, "rho": -0.0127, "theo": 47.8397, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 30.4, "last_trade_time": "2026-05-11T11:30:28", "percent_change": 0.0, "prev_day_close": 49.4000015258789}, {"option": "YSS270319C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2319.0, "iv": 2.0859, "open_interest": 11.0, "volume": 0.0, "delta": 0.0492, "gamma": 0.0139, "vega": 0.0042, "theta": -0.0026, "rho": 0.0008, "theo": 0.1008, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.25, "last_trade_time": "2026-07-27T09:30:03", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00060000", "bid": 52.2, "bid_size": 22.0, "ask": 55.0, "ask_size": 8.0, "iv": 2.6563, "open_interest": 0.0, "volume": 0.0, "delta": -0.9866, "gamma": 0.0192, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 52.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 34.1, "last_trade_time": "2026-05-11T11:37:37", "percent_change": 0.0, "prev_day_close": 54.4000015258789}, {"option": "YSS270319C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2721.0, "iv": 2.1358, "open_interest": 90.0, "volume": 0.0, "delta": 0.0454, "gamma": 0.0128, "vega": 0.004, "theta": -0.0025, "rho": 0.0008, "theo": 0.0928, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-09-03T09:30:02", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270319P00065000", "bid": 57.2, "bid_size": 22.0, "ask": 60.0, "ask_size": 8.0, "iv": 2.7288, "open_interest": 0.0, "volume": 0.0, "delta": -0.9923, "gamma": 0.0108, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 57.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 39.78, "last_trade_time": "2026-06-17T13:05:11", "percent_change": 0.0, "prev_day_close": 59.4000015258789}, {"option": "YSS270416C00001000", "bid": 4.7, "bid_size": 30.0, "ask": 7.6, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9987, "gamma": 0.0019, "vega": 0.0, "theta": -0.0012, "rho": 0.0, "theo": 6.155, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.84999990463257}, {"option": "YSS270416P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1592.0, "iv": 3.1989, "open_interest": 0.0, "volume": 0.0, "delta": -0.0107, "gamma": 0.0035, "vega": 0.0013, "theta": -0.0007, "rho": -0.0005, "theo": 0.0449, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270416C00002500", "bid": 3.4, "bid_size": 147.0, "ask": 5.1, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9447, "gamma": 0.0218, "vega": 0.0042, "theta": -0.0022, "rho": 0.0038, "theo": 4.7521, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.64999997615814}, {"option": "YSS270416P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 1340.0, "iv": 1.6109, "open_interest": 2.0, "volume": 0.0, "delta": -0.0531, "gamma": 0.0167, "vega": 0.0051, "theta": -0.0022, "rho": -0.0025, "theo": 0.215, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-10-19T12:18:27", "percent_change": 0.0, "prev_day_close": 0.299999997019768}, {"option": "YSS270416C00004000", "bid": 2.3, "bid_size": 142.0, "ask": 4.1, "ask_size": 12.0, "iv": 0.732, "open_interest": 0.0, "volume": 0.0, "delta": 0.8557, "gamma": 0.0412, "vega": 0.0096, "theta": -0.0038, "rho": 0.0072, "theo": 3.5772, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.60000002384186}, {"option": "YSS270416P00004000", "bid": 0.45, "bid_size": 21.0, "ask": 0.65, "ask_size": 304.0, "iv": 1.198, "open_interest": 0.0, "volume": 0.0, "delta": -0.1299, "gamma": 0.0365, "vega": 0.0099, "theta": -0.0037, "rho": -0.0062, "theo": 0.5645, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.675000011920929}, {"option": "YSS270416C00005000", "bid": 2.1, "bid_size": 192.0, "ask": 3.4, "ask_size": 63.0, "iv": 1.0125, "open_interest": 3.0, "volume": 0.0, "delta": 0.7831, "gamma": 0.0539, "vega": 0.0128, "theta": -0.0047, "rho": 0.0084, "theo": 2.9341, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.1, "last_trade_time": "2026-11-02T14:39:21", "percent_change": 0.0, "prev_day_close": 1.95000004768372}, {"option": "YSS270416P00005000", "bid": 0.65, "bid_size": 1545.0, "ask": 1.0, "ask_size": 1037.0, "iv": 1.0809, "open_interest": 58.0, "volume": 0.0, "delta": -0.1965, "gamma": 0.0499, "vega": 0.0129, "theta": -0.0046, "rho": -0.0094, "theo": 0.924, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.15, "last_trade_time": "2026-11-02T15:18:26", "percent_change": 0.0, "prev_day_close": 1.10000002384186}, {"option": "YSS270416C00006000", "bid": 1.5, "bid_size": 450.0, "ask": 2.7, "ask_size": 27.0, "iv": 0.9275, "open_interest": 101.0, "volume": 0.0, "delta": 0.7059, "gamma": 0.0642, "vega": 0.0153, "theta": -0.0054, "rho": 0.009, "theo": 2.4054, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.7, "last_trade_time": "2026-11-06T13:32:54", "percent_change": 0.0, "prev_day_close": 1.72500002384186}, {"option": "YSS270416P00006000", "bid": 1.3, "bid_size": 73.0, "ask": 1.5, "ask_size": 1473.0, "iv": 1.132, "open_interest": 38.0, "volume": 1.0, "delta": -0.2691, "gamma": 0.0609, "vega": 0.0153, "theta": -0.0053, "rho": -0.0132, "theo": 1.3912, "change": -0.25, "open": 1.4, "high": 1.4, "low": 1.4, "tick": "down", "last_trade_price": 1.4, "last_trade_time": "2026-11-09T14:41:59", "percent_change": -15.1515, "prev_day_close": 1.64999997615814}, {"option": "YSS270416C00007500", "bid": 1.55, "bid_size": 1239.0, "ask": 2.25, "ask_size": 490.0, "iv": 1.1608, "open_interest": 87.0, "volume": 16.0, "delta": 0.594, "gamma": 0.0731, "vega": 0.0175, "theta": -0.0061, "rho": 0.0088, "theo": 1.8056, "change": -0.025, "open": 1.3, "high": 1.3, "low": 1.3, "tick": "no_change", "last_trade_price": 1.3, "last_trade_time": "2026-11-09T10:13:42", "percent_change": -1.8868, "prev_day_close": 1.32500004768372}, {"option": "YSS270416P00007500", "bid": 2.1, "bid_size": 453.0, "ask": 2.45, "ask_size": 858.0, "iv": 1.1051, "open_interest": 20.0, "volume": 0.0, "delta": -0.3767, "gamma": 0.0709, "vega": 0.0174, "theta": -0.0058, "rho": -0.0191, "theo": 2.2776, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.33, "last_trade_time": "2026-09-14T11:26:40", "percent_change": 0.0, "prev_day_close": 2.625}, {"option": "YSS270416C00009000", "bid": 1.3, "bid_size": 769.0, "ask": 1.8, "ask_size": 1113.0, "iv": 1.1961, "open_interest": 35.0, "volume": 2.0, "delta": 0.497, "gamma": 0.075, "vega": 0.0182, "theta": -0.0063, "rho": 0.0081, "theo": 1.3884, "change": 0.225, "open": 1.2, "high": 1.2, "low": 1.2, "tick": "up", "last_trade_price": 1.2, "last_trade_time": "2026-11-09T10:30:13", "percent_change": 23.0769, "prev_day_close": 0.975000023841858}, {"option": "YSS270416P00009000", "bid": 3.1, "bid_size": 61.0, "ask": 3.5, "ask_size": 41.0, "iv": 1.0839, "open_interest": 0.0, "volume": 0.0, "delta": -0.4715, "gamma": 0.074, "vega": 0.0181, "theta": -0.0059, "rho": -0.0245, "theo": 3.3419, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.14999985694885}, {"option": "YSS270416C00010000", "bid": 1.1, "bid_size": 588.0, "ask": 1.4, "ask_size": 642.0, "iv": 1.1501, "open_interest": 13.0, "volume": 0.0, "delta": 0.4426, "gamma": 0.0738, "vega": 0.018, "theta": -0.0063, "rho": 0.0075, "theo": 1.1837, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.85, "last_trade_time": "2026-11-02T13:59:34", "percent_change": 0.0, "prev_day_close": 0.824999988079071}, {"option": "YSS270416P00010000", "bid": 3.7, "bid_size": 539.0, "ask": 5.1, "ask_size": 448.0, "iv": 1.266, "open_interest": 62.0, "volume": 0.0, "delta": -0.5254, "gamma": 0.0734, "vega": 0.018, "theta": -0.0058, "rho": -0.0278, "theo": 4.1239, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.0, "last_trade_time": "2026-10-29T11:40:57", "percent_change": 0.0, "prev_day_close": 4.95000004768372}, {"option": "YSS270416C00011000", "bid": 0.9, "bid_size": 41.0, "ask": 1.3, "ask_size": 296.0, "iv": 1.1669, "open_interest": 0.0, "volume": 0.0, "delta": 0.3959, "gamma": 0.0714, "vega": 0.0176, "theta": -0.0062, "rho": 0.007, "theo": 1.0217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.700000017881394}, {"option": "YSS270416P00011000", "bid": 4.6, "bid_size": 31.0, "ask": 6.0, "ask_size": 17.0, "iv": 1.319, "open_interest": 0.0, "volume": 0.0, "delta": -0.5722, "gamma": 0.0717, "vega": 0.0177, "theta": -0.0057, "rho": -0.0308, "theo": 4.9485, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.84999990463257}, {"option": "YSS270416C00012500", "bid": 0.55, "bid_size": 552.0, "ask": 1.15, "ask_size": 437.0, "iv": 1.1472, "open_interest": 13.0, "volume": 0.0, "delta": 0.3383, "gamma": 0.0668, "vega": 0.0168, "theta": -0.006, "rho": 0.0062, "theo": 0.8372, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.57, "last_trade_time": "2026-10-26T11:29:29", "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "YSS270416P00012500", "bid": 5.9, "bid_size": 19.0, "ask": 7.4, "ask_size": 22.0, "iv": 1.3728, "open_interest": 0.0, "volume": 0.0, "delta": -0.6305, "gamma": 0.068, "vega": 0.0168, "theta": -0.0053, "rho": -0.0344, "theo": 6.2441, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 7.20000004768372}, {"option": "YSS270416C00014000", "bid": 0.4, "bid_size": 438.0, "ask": 0.95, "ask_size": 265.0, "iv": 1.141, "open_interest": 0.0, "volume": 0.0, "delta": 0.2928, "gamma": 0.0618, "vega": 0.0158, "theta": -0.0057, "rho": 0.0055, "theo": 0.7016, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.450000002980232}, {"option": "YSS270416P00014000", "bid": 7.1, "bid_size": 70.0, "ask": 8.8, "ask_size": 13.0, "iv": 1.3744, "open_interest": 0.0, "volume": 0.0, "delta": -0.6773, "gamma": 0.0638, "vega": 0.0159, "theta": -0.0049, "rho": -0.0374, "theo": 7.5896, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.64999985694885}, {"option": "YSS270416C00015000", "bid": 0.4, "bid_size": 444.0, "ask": 0.85, "ask_size": 464.0, "iv": 1.1668, "open_interest": 58.0, "volume": 0.0, "delta": 0.2677, "gamma": 0.0585, "vega": 0.0151, "theta": -0.0056, "rho": 0.0051, "theo": 0.6305, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.4, "last_trade_time": "2026-11-02T14:21:12", "percent_change": 0.0, "prev_day_close": 0.400000005960464}, {"option": "YSS270416P00015000", "bid": 8.0, "bid_size": 60.0, "ask": 9.7, "ask_size": 14.0, "iv": 1.3837, "open_interest": 1.0, "volume": 0.0, "delta": -0.7036, "gamma": 0.0611, "vega": 0.0152, "theta": -0.0046, "rho": -0.0391, "theo": 8.5066, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.65, "last_trade_time": "2026-06-01T12:21:46", "percent_change": 0.0, "prev_day_close": 9.55000019073486}, {"option": "YSS270416C00017500", "bid": 0.15, "bid_size": 778.0, "ask": 0.7, "ask_size": 614.0, "iv": 1.1459, "open_interest": 89.0, "volume": 0.0, "delta": 0.2186, "gamma": 0.0511, "vega": 0.0136, "theta": -0.0051, "rho": 0.0042, "theo": 0.4979, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.2, "last_trade_time": "2026-08-06T15:25:17", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270416P00017500", "bid": 10.2, "bid_size": 69.0, "ask": 12.6, "ask_size": 11.0, "iv": 1.5598, "open_interest": 5.0, "volume": 0.0, "delta": -0.756, "gamma": 0.055, "vega": 0.0136, "theta": -0.004, "rho": -0.0422, "theo": 10.8468, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.7, "last_trade_time": "2026-10-15T13:37:43", "percent_change": 0.0, "prev_day_close": 12.0}, {"option": "YSS270416C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 952.0, "iv": 1.2034, "open_interest": 46.0, "volume": 0.0, "delta": 0.1832, "gamma": 0.0448, "vega": 0.0122, "theta": -0.0047, "rho": 0.0036, "theo": 0.4074, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.75, "last_trade_time": "2026-09-01T12:54:43", "percent_change": 0.0, "prev_day_close": 0.225000008940697}, {"option": "YSS270416P00020000", "bid": 12.6, "bid_size": 60.0, "ask": 15.1, "ask_size": 11.0, "iv": 1.6528, "open_interest": 4.0, "volume": 0.0, "delta": -0.7954, "gamma": 0.0499, "vega": 0.0121, "theta": -0.0034, "rho": -0.0435, "theo": 13.2328, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.2, "last_trade_time": "2026-05-11T11:29:55", "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS270416C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.4, "ask_size": 275.0, "iv": 1.1114, "open_interest": 5.0, "volume": 0.0, "delta": 0.1569, "gamma": 0.0397, "vega": 0.0111, "theta": -0.0043, "rho": 0.0031, "theo": 0.3427, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.1, "last_trade_time": "2026-08-07T11:46:28", "percent_change": 0.0, "prev_day_close": 0.325000012293458}, {"option": "YSS270416P00022500", "bid": 15.0, "bid_size": 60.0, "ask": 17.6, "ask_size": 12.0, "iv": 1.728, "open_interest": 6.0, "volume": 0.0, "delta": -0.826, "gamma": 0.0459, "vega": 0.0108, "theta": -0.0028, "rho": -0.0445, "theo": 15.6476, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.9, "last_trade_time": "2026-05-29T10:39:41", "percent_change": 0.0, "prev_day_close": 16.9000000953674}, {"option": "YSS270416C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 708.0, "iv": 1.3584, "open_interest": 3.0, "volume": 0.0, "delta": 0.1367, "gamma": 0.0355, "vega": 0.0101, "theta": -0.004, "rho": 0.0027, "theo": 0.2944, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.8, "last_trade_time": "2026-08-25T13:15:50", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00025000", "bid": 17.6, "bid_size": 50.0, "ask": 19.9, "ask_size": 14.0, "iv": 1.79, "open_interest": 1.0, "volume": 0.0, "delta": -0.8506, "gamma": 0.0427, "vega": 0.0097, "theta": -0.0023, "rho": -0.0444, "theo": 18.0822, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 11.0, "last_trade_time": "2026-07-14T10:54:08", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS270416C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1747.0, "iv": 1.4789, "open_interest": 31.0, "volume": 0.0, "delta": 0.108, "gamma": 0.029, "vega": 0.0085, "theta": -0.0035, "rho": 0.0022, "theo": 0.2279, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.44, "last_trade_time": "2026-09-02T11:55:59", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00030000", "bid": 22.2, "bid_size": 69.0, "ask": 25.0, "ask_size": 18.0, "iv": 1.8505, "open_interest": 0.0, "volume": 0.0, "delta": -0.8886, "gamma": 0.0382, "vega": 0.0077, "theta": -0.0014, "rho": -0.042, "theo": 22.9893, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 13.7, "last_trade_time": "2026-06-25T11:47:25", "percent_change": 0.0, "prev_day_close": 24.25}, {"option": "YSS270416C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2172.0, "iv": 1.577, "open_interest": 152.0, "volume": 0.0, "delta": 0.0887, "gamma": 0.0244, "vega": 0.0074, "theta": -0.0031, "rho": 0.0018, "theo": 0.1847, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-10-09T09:30:24", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00035000", "bid": 27.2, "bid_size": 49.0, "ask": 30.0, "ask_size": 1.0, "iv": 1.9824, "open_interest": 0.0, "volume": 0.0, "delta": -0.9172, "gamma": 0.0354, "vega": 0.006, "theta": -0.0005, "rho": -0.0377, "theo": 27.9288, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 17.36, "last_trade_time": "2026-06-29T14:07:11", "percent_change": 0.0, "prev_day_close": 29.3999996185303}, {"option": "YSS270416C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2032.0, "iv": 1.6596, "open_interest": 8.0, "volume": 0.0, "delta": 0.0751, "gamma": 0.021, "vega": 0.0065, "theta": -0.0028, "rho": 0.0015, "theo": 0.1547, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.4, "last_trade_time": "2026-07-14T09:30:02", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00040000", "bid": 32.2, "bid_size": 22.0, "ask": 35.0, "ask_size": 8.0, "iv": 2.096, "open_interest": 0.0, "volume": 0.0, "delta": -0.9408, "gamma": 0.0349, "vega": 0.0045, "theta": 0.0, "rho": -0.032, "theo": 32.8887, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.6, "last_trade_time": "2026-06-26T12:18:48", "percent_change": 0.0, "prev_day_close": 34.4000015258789}, {"option": "YSS270416C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2033.0, "iv": 1.7308, "open_interest": 21.0, "volume": 0.0, "delta": 0.0649, "gamma": 0.0184, "vega": 0.0058, "theta": -0.0026, "rho": 0.0013, "theo": 0.1327, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.1, "last_trade_time": "2026-07-21T09:30:02", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00045000", "bid": 37.2, "bid_size": 49.0, "ask": 40.0, "ask_size": 8.0, "iv": 2.1957, "open_interest": 0.0, "volume": 0.0, "delta": -0.9608, "gamma": 0.0346, "vega": 0.003, "theta": 0.0, "rho": -0.021, "theo": 37.8634, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 24.2, "last_trade_time": "2026-06-23T15:43:52", "percent_change": 0.0, "prev_day_close": 39.4000015258789}, {"option": "YSS270416C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2031.0, "iv": 1.7932, "open_interest": 5.0, "volume": 0.0, "delta": 0.0571, "gamma": 0.0163, "vega": 0.0052, "theta": -0.0024, "rho": 0.0012, "theo": 0.1161, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.17, "last_trade_time": "2026-07-20T14:52:07", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00050000", "bid": 42.2, "bid_size": 22.0, "ask": 45.0, "ask_size": 8.0, "iv": 2.2852, "open_interest": 0.0, "volume": 0.0, "delta": -0.9762, "gamma": 0.0284, "vega": 0.0018, "theta": 0.0, "rho": -0.0153, "theo": 42.8504, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 30.53, "last_trade_time": "2026-07-06T11:47:33", "percent_change": 0.0, "prev_day_close": 44.4000015258789}, {"option": "YSS270416C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 2039.0, "iv": 1.8486, "open_interest": 15.0, "volume": 0.0, "delta": 0.0509, "gamma": 0.0146, "vega": 0.0048, "theta": -0.0022, "rho": 0.001, "theo": 0.103, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.9, "last_trade_time": "2026-07-20T09:30:02", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270416P00055000", "bid": 47.2, "bid_size": 22.0, "ask": 50.0, "ask_size": 8.0, "iv": 2.3665, "open_interest": 0.0, "volume": 0.0, "delta": -0.9869, "gamma": 0.0193, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 47.845, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 36.53, "last_trade_time": "2026-07-07T10:47:33", "percent_change": 0.0, "prev_day_close": 49.3500003814697}, {"option": "YSS270521C00001000", "bid": 4.8, "bid_size": 148.0, "ask": 7.7, "ask_size": 12.0, "iv": 2.5815, "open_interest": 0.0, "volume": 0.0, "delta": 0.9994, "gamma": 0.0008, "vega": 0.0, "theta": -0.0022, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.09999990463257}, {"option": "YSS270521P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 1614.0, "iv": 3.2426, "open_interest": 0.0, "volume": 0.0, "delta": -0.0158, "gamma": 0.0042, "vega": 0.0021, "theta": -0.0009, "rho": -0.0011, "theo": 0.0911, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "YSS270521C00002500", "bid": 3.4, "bid_size": 229.0, "ask": 5.4, "ask_size": 86.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9405, "gamma": 0.0273, "vega": 0.0044, "theta": -0.0031, "rho": 0.0033, "theo": 4.7469, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 19.22, "last_trade_time": "2026-07-14T14:01:23", "percent_change": 0.0, "prev_day_close": 3.54999995231628}, {"option": "YSS270521P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1813.0, "iv": 1.472, "open_interest": 3.0, "volume": 0.0, "delta": -0.0624, "gamma": 0.0167, "vega": 0.0063, "theta": -0.0022, "rho": -0.004, "theo": 0.3177, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.25, "last_trade_time": "2026-11-02T10:31:06", "percent_change": 0.0, "prev_day_close": 0.274999998509884}, {"option": "YSS270521C00004000", "bid": 2.4, "bid_size": 218.0, "ask": 4.1, "ask_size": 12.0, "iv": 0.8519, "open_interest": 0.0, "volume": 0.0, "delta": 0.8428, "gamma": 0.0445, "vega": 0.0104, "theta": -0.0041, "rho": 0.0071, "theo": 3.563, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.60000002384186}, {"option": "YSS270521P00004000", "bid": 0.35, "bid_size": 406.0, "ask": 0.8, "ask_size": 870.0, "iv": 1.0771, "open_interest": 0.0, "volume": 0.0, "delta": -0.1375, "gamma": 0.0342, "vega": 0.0112, "theta": -0.0034, "rho": -0.0088, "theo": 0.7072, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.75}, {"option": "YSS270521C00005000", "bid": 2.5, "bid_size": 158.0, "ask": 3.7, "ask_size": 14.0, "iv": 1.2599, "open_interest": 8.0, "volume": 0.0, "delta": 0.7672, "gamma": 0.0553, "vega": 0.0139, "theta": -0.0046, "rho": 0.0087, "theo": 2.9177, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.2, "last_trade_time": "2026-08-10T14:46:43", "percent_change": 0.0, "prev_day_close": 2.09999996423721}, {"option": "YSS270521P00005000", "bid": 0.85, "bid_size": 113.0, "ask": 1.2, "ask_size": 794.0, "iv": 1.0848, "open_interest": 8.0, "volume": 0.0, "delta": -0.2004, "gamma": 0.0459, "vega": 0.0142, "theta": -0.004, "rho": -0.013, "theo": 1.087, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.97, "last_trade_time": "2026-10-29T15:19:55", "percent_change": 0.0, "prev_day_close": 1.19999998807907}, {"option": "YSS270521C00006000", "bid": 1.7, "bid_size": 180.0, "ask": 3.1, "ask_size": 12.0, "iv": 1.0941, "open_interest": 0.0, "volume": 0.0, "delta": 0.6891, "gamma": 0.0636, "vega": 0.0165, "theta": -0.0051, "rho": 0.0095, "theo": 2.3938, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.67500001192093}, {"option": "YSS270521P00006000", "bid": 1.25, "bid_size": 355.0, "ask": 1.8, "ask_size": 702.0, "iv": 1.0603, "open_interest": 0.0, "volume": 0.0, "delta": -0.268, "gamma": 0.0554, "vega": 0.0165, "theta": -0.0045, "rho": -0.0179, "theo": 1.5746, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.75}, {"option": "YSS270521C00007500", "bid": 1.2, "bid_size": 318.0, "ask": 2.35, "ask_size": 11.0, "iv": 1.049, "open_interest": 5.0, "volume": 0.0, "delta": 0.58, "gamma": 0.0696, "vega": 0.0188, "theta": -0.0055, "rho": 0.0096, "theo": 1.8166, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.41, "last_trade_time": "2026-09-03T10:44:31", "percent_change": 0.0, "prev_day_close": 1.32499998807907}, {"option": "YSS270521P00007500", "bid": 2.1, "bid_size": 246.0, "ask": 2.75, "ask_size": 628.0, "iv": 1.0329, "open_interest": 11.0, "volume": 0.0, "delta": -0.3656, "gamma": 0.0634, "vega": 0.0185, "theta": -0.0049, "rho": -0.0257, "theo": 2.496, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.2, "last_trade_time": "2026-10-06T10:32:33", "percent_change": 0.0, "prev_day_close": 2.75}, {"option": "YSS270521C00009000", "bid": 1.25, "bid_size": 301.0, "ask": 1.9, "ask_size": 13.0, "iv": 1.1522, "open_interest": 0.0, "volume": 0.0, "delta": 0.4903, "gamma": 0.0697, "vega": 0.0195, "theta": -0.0056, "rho": 0.009, "theo": 1.4321, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.14999997615814}, {"option": "YSS270521P00009000", "bid": 3.2, "bid_size": 62.0, "ask": 3.8, "ask_size": 158.0, "iv": 1.0287, "open_interest": 0.0, "volume": 0.0, "delta": -0.4484, "gamma": 0.0654, "vega": 0.0192, "theta": -0.005, "rho": -0.0331, "theo": 3.5963, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.89999997615814}, {"option": "YSS270521C00010000", "bid": 1.05, "bid_size": 732.0, "ask": 1.75, "ask_size": 508.0, "iv": 1.1693, "open_interest": 6.0, "volume": 0.0, "delta": 0.4419, "gamma": 0.0679, "vega": 0.0194, "theta": -0.0056, "rho": 0.0085, "theo": 1.2492, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.43, "last_trade_time": "2026-09-18T11:30:45", "percent_change": 0.0, "prev_day_close": 0.975000023841858}, {"option": "YSS270521P00010000", "bid": 3.9, "bid_size": 95.0, "ask": 5.2, "ask_size": 138.0, "iv": 1.1701, "open_interest": 15.0, "volume": 0.0, "delta": -0.494, "gamma": 0.0646, "vega": 0.0192, "theta": -0.0049, "rho": -0.0377, "theo": 4.3994, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.8, "last_trade_time": "2026-09-08T13:14:52", "percent_change": 0.0, "prev_day_close": 5.0}, {"option": "YSS270521C00011000", "bid": 0.95, "bid_size": 538.0, "ask": 1.5, "ask_size": 499.0, "iv": 1.1693, "open_interest": 0.0, "volume": 0.0, "delta": 0.4014, "gamma": 0.0654, "vega": 0.0191, "theta": -0.0056, "rho": 0.0079, "theo": 1.1069, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.824999988079071}, {"option": "YSS270521P00011000", "bid": 4.7, "bid_size": 99.0, "ask": 6.1, "ask_size": 133.0, "iv": 1.1911, "open_interest": 0.0, "volume": 0.0, "delta": -0.5327, "gamma": 0.063, "vega": 0.0189, "theta": -0.0049, "rho": -0.0419, "theo": 5.2414, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.94999980926514}, {"option": "YSS270521C00012500", "bid": 0.6, "bid_size": 913.0, "ask": 1.25, "ask_size": 526.0, "iv": 1.1226, "open_interest": 30.0, "volume": 0.0, "delta": 0.3525, "gamma": 0.0612, "vega": 0.0185, "theta": -0.0055, "rho": 0.0072, "theo": 0.9467, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.14, "last_trade_time": "2026-07-13T09:59:28", "percent_change": 0.0, "prev_day_close": 0.700000017881394}, {"option": "YSS270521P00012500", "bid": 5.9, "bid_size": 92.0, "ask": 7.5, "ask_size": 147.0, "iv": 1.212, "open_interest": 12.0, "volume": 0.0, "delta": -0.5802, "gamma": 0.06, "vega": 0.0184, "theta": -0.0047, "rho": -0.0474, "theo": 6.5561, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.67, "last_trade_time": "2026-10-30T10:19:47", "percent_change": 0.0, "prev_day_close": 7.29999995231628}, {"option": "YSS270521C00014000", "bid": 0.45, "bid_size": 1689.0, "ask": 1.1, "ask_size": 1548.0, "iv": 1.1308, "open_interest": 7.0, "volume": 0.0, "delta": 0.3146, "gamma": 0.057, "vega": 0.0177, "theta": -0.0054, "rho": 0.0066, "theo": 0.8296, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.55, "last_trade_time": "2026-11-06T15:03:24", "percent_change": 0.0, "prev_day_close": 0.675000011920929}, {"option": "YSS270521P00014000", "bid": 7.2, "bid_size": 95.0, "ask": 8.9, "ask_size": 150.0, "iv": 1.2379, "open_interest": 0.0, "volume": 0.0, "delta": -0.618, "gamma": 0.057, "vega": 0.0177, "theta": -0.0045, "rho": -0.0519, "theo": 7.9135, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.69999980926514}, {"option": "YSS270521C00015000", "bid": 0.5, "bid_size": 598.0, "ask": 1.05, "ask_size": 765.0, "iv": 1.1843, "open_interest": 89.0, "volume": 0.0, "delta": 0.2938, "gamma": 0.0544, "vega": 0.0172, "theta": -0.0053, "rho": 0.0062, "theo": 0.7676, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.51, "last_trade_time": "2026-10-27T12:54:21", "percent_change": 0.0, "prev_day_close": 0.524999991059303}, {"option": "YSS270521P00015000", "bid": 8.2, "bid_size": 62.0, "ask": 9.8, "ask_size": 133.0, "iv": 1.2736, "open_interest": 8.0, "volume": 0.0, "delta": -0.6391, "gamma": 0.055, "vega": 0.0173, "theta": -0.0044, "rho": -0.0546, "theo": 8.835, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.8, "last_trade_time": "2026-06-18T15:57:54", "percent_change": 0.0, "prev_day_close": 9.64999961853027}, {"option": "YSS270521C00017500", "bid": 0.05, "bid_size": 2515.0, "ask": 1.35, "ask_size": 673.0, "iv": 1.2534, "open_interest": 62.0, "volume": 0.0, "delta": 0.2531, "gamma": 0.0487, "vega": 0.016, "theta": -0.0051, "rho": 0.0055, "theo": 0.6511, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.55, "last_trade_time": "2026-10-26T09:30:02", "percent_change": 0.0, "prev_day_close": 0.450000017881393}, {"option": "YSS270521P00017500", "bid": 10.2, "bid_size": 85.0, "ask": 12.6, "ask_size": 19.0, "iv": 1.3545, "open_interest": 5.0, "volume": 0.0, "delta": -0.6817, "gamma": 0.0508, "vega": 0.0162, "theta": -0.004, "rho": -0.0601, "theo": 11.1783, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.24, "last_trade_time": "2026-11-05T12:02:36", "percent_change": 0.0, "prev_day_close": 12.0}, {"option": "YSS270521C00020000", "bid": 0.15, "bid_size": 1565.0, "ask": 0.85, "ask_size": 1970.0, "iv": 1.2148, "open_interest": 54.0, "volume": 0.0, "delta": 0.2235, "gamma": 0.0441, "vega": 0.015, "theta": -0.0049, "rho": 0.0049, "theo": 0.5695, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-11-06T11:33:58", "percent_change": 0.0, "prev_day_close": 0.300000004470348}, {"option": "YSS270521P00020000", "bid": 12.6, "bid_size": 79.0, "ask": 15.2, "ask_size": 14.0, "iv": 1.4699, "open_interest": 12.0, "volume": 0.0, "delta": -0.7141, "gamma": 0.0474, "vega": 0.0153, "theta": -0.0037, "rho": -0.0646, "theo": 13.5596, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 14.72, "last_trade_time": "2026-11-05T12:02:26", "percent_change": 0.0, "prev_day_close": 14.4000000953674}, {"option": "YSS270521C00022500", "bid": 0.05, "bid_size": 802.0, "ask": 0.95, "ask_size": 27.0, "iv": 1.2918, "open_interest": 41.0, "volume": 0.0, "delta": 0.201, "gamma": 0.0402, "vega": 0.0141, "theta": -0.0047, "rho": 0.0044, "theo": 0.5092, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.7, "last_trade_time": "2026-10-02T12:29:13", "percent_change": 0.0, "prev_day_close": 0.475000001490116}, {"option": "YSS270521P00022500", "bid": 15.1, "bid_size": 85.0, "ask": 17.5, "ask_size": 10.0, "iv": 1.5116, "open_interest": 0.0, "volume": 0.0, "delta": -0.74, "gamma": 0.0448, "vega": 0.0144, "theta": -0.0034, "rho": -0.0673, "theo": 15.9653, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.0, "last_trade_time": "2026-07-08T13:29:14", "percent_change": 0.0, "prev_day_close": 16.7499995231628}, {"option": "YSS270521C00025000", "bid": 0.05, "bid_size": 962.0, "ask": 1.1, "ask_size": 2036.0, "iv": 1.4118, "open_interest": 174.0, "volume": 0.0, "delta": 0.1834, "gamma": 0.0371, "vega": 0.0133, "theta": -0.0046, "rho": 0.004, "theo": 0.4628, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.25, "last_trade_time": "2026-10-09T11:14:58", "percent_change": 0.0, "prev_day_close": 0.224999994039536}, {"option": "YSS270521P00025000", "bid": 17.5, "bid_size": 126.0, "ask": 19.9, "ask_size": 34.0, "iv": 1.5392, "open_interest": 36.0, "volume": 0.0, "delta": -0.7613, "gamma": 0.0427, "vega": 0.0136, "theta": -0.0031, "rho": -0.0695, "theo": 18.3876, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 17.5, "last_trade_time": "2026-09-16T11:48:30", "percent_change": 0.0, "prev_day_close": 19.4000005722046}, {"option": "YSS270521C00030000", "bid": 0.05, "bid_size": 283.0, "ask": 0.9, "ask_size": 1791.0, "iv": 1.451, "open_interest": 35.0, "volume": 0.0, "delta": 0.1574, "gamma": 0.0322, "vega": 0.0121, "theta": -0.0043, "rho": 0.0035, "theo": 0.3958, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.4, "last_trade_time": "2026-10-01T15:07:35", "percent_change": 0.0, "prev_day_close": 0.400000000372529}, {"option": "YSS270521P00030000", "bid": 22.3, "bid_size": 113.0, "ask": 25.1, "ask_size": 26.0, "iv": 1.6899, "open_interest": 0.0, "volume": 0.0, "delta": -0.7951, "gamma": 0.0398, "vega": 0.0123, "theta": -0.0026, "rho": -0.0729, "theo": 23.266, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 14.1, "last_trade_time": "2026-07-06T10:45:19", "percent_change": 0.0, "prev_day_close": 24.25}, {"option": "YSS270521C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.85, "ask_size": 1998.0, "iv": 1.5014, "open_interest": 37.0, "volume": 0.0, "delta": 0.1393, "gamma": 0.0287, "vega": 0.0112, "theta": -0.0041, "rho": 0.0031, "theo": 0.3497, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-09-23T09:40:09", "percent_change": 0.0, "prev_day_close": 0.324999988079071}, {"option": "YSS270521P00035000", "bid": 27.2, "bid_size": 105.0, "ask": 30.0, "ask_size": 13.0, "iv": 1.7531, "open_interest": 0.0, "volume": 0.0, "delta": -0.8215, "gamma": 0.038, "vega": 0.0112, "theta": -0.0021, "rho": -0.0743, "theo": 28.1745, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 25.33, "last_trade_time": "2026-08-10T13:04:51", "percent_change": 0.0, "prev_day_close": 29.3999996185303}, {"option": "YSS270521C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1441.0, "iv": 1.4631, "open_interest": 109.0, "volume": 0.0, "delta": 0.1257, "gamma": 0.026, "vega": 0.0104, "theta": -0.0039, "rho": 0.0028, "theo": 0.3156, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-11-04T13:01:23", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270521P00040000", "bid": 32.2, "bid_size": 85.0, "ask": 35.0, "ask_size": 10.0, "iv": 1.8623, "open_interest": 0.0, "volume": 0.0, "delta": -0.8436, "gamma": 0.0371, "vega": 0.0099, "theta": -0.0017, "rho": -0.0716, "theo": 33.102, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 31.17, "last_trade_time": "2026-09-09T09:52:48", "percent_change": 0.0, "prev_day_close": 34.4000015258789}, {"option": "YSS270521C00045000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1046.0, "iv": 1.5261, "open_interest": 2.0, "volume": 0.0, "delta": 0.1153, "gamma": 0.0238, "vega": 0.0098, "theta": -0.0038, "rho": 0.0026, "theo": 0.2895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 9.49, "last_trade_time": "2026-06-11T14:06:12", "percent_change": 0.0, "prev_day_close": 0.824999988079071}, {"option": "YSS270521P00045000", "bid": 37.2, "bid_size": 85.0, "ask": 40.0, "ask_size": 8.0, "iv": 1.9583, "open_interest": 0.0, "volume": 0.0, "delta": -0.8622, "gamma": 0.0363, "vega": 0.0092, "theta": -0.0013, "rho": -0.0709, "theo": 38.0441, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 26.03, "last_trade_time": "2026-06-29T14:24:09", "percent_change": 0.0, "prev_day_close": 39.4000015258789}, {"option": "YSS270521C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1248.0, "iv": 1.5814, "open_interest": 44.0, "volume": 0.0, "delta": 0.1069, "gamma": 0.0221, "vega": 0.0093, "theta": -0.0036, "rho": 0.0024, "theo": 0.2686, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.38, "last_trade_time": "2026-09-08T14:21:17", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270521P00050000", "bid": 42.0, "bid_size": 85.0, "ask": 45.0, "ask_size": 8.0, "iv": 1.9787, "open_interest": 0.0, "volume": 0.0, "delta": -0.8796, "gamma": 0.0365, "vega": 0.0081, "theta": -0.001, "rho": -0.0658, "theo": 42.9964, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 30.62, "last_trade_time": "2026-07-06T10:57:28", "percent_change": 0.0, "prev_day_close": 44.4000015258789}, {"option": "YSS270521C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 939.0, "iv": 1.6307, "open_interest": 19.0, "volume": 0.0, "delta": 0.1, "gamma": 0.0206, "vega": 0.0088, "theta": -0.0035, "rho": 0.0022, "theo": 0.2514, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.65, "last_trade_time": "2026-08-13T15:05:18", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "YSS270521P00055000", "bid": 47.0, "bid_size": 85.0, "ask": 50.0, "ask_size": 8.0, "iv": 2.0573, "open_interest": 0.0, "volume": 0.0, "delta": -0.8946, "gamma": 0.0363, "vega": 0.0072, "theta": -0.0006, "rho": -0.0644, "theo": 47.9584, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 46.02, "last_trade_time": "2026-09-09T09:52:48", "percent_change": 0.0, "prev_day_close": 49.4000015258789}, {"option": "YSS270716C00001000", "bid": 4.8, "bid_size": 148.0, "ask": 6.7, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.999, "gamma": 0.0014, "vega": 0.0, "theta": -0.0024, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.84999990463257}, {"option": "YSS270716P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 1141.0, "iv": 1.6268, "open_interest": 0.0, "volume": 0.0, "delta": -0.0158, "gamma": 0.0042, "vega": 0.0023, "theta": -0.0007, "rho": -0.0014, "theo": 0.0921, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "YSS270716C00002500", "bid": 3.5, "bid_size": 222.0, "ask": 5.2, "ask_size": 17.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9316, "gamma": 0.0257, "vega": 0.0056, "theta": -0.0021, "rho": 0.0046, "theo": 4.7827, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.54999995231628}, {"option": "YSS270716P00002500", "bid": 0.15, "bid_size": 19.0, "ask": 0.4, "ask_size": 812.0, "iv": 1.1626, "open_interest": 718.0, "volume": 0.0, "delta": -0.0646, "gamma": 0.0163, "vega": 0.0074, "theta": -0.0018, "rho": -0.0054, "theo": 0.3608, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.33, "last_trade_time": "2026-11-05T10:35:31", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270716C00004000", "bid": 2.6, "bid_size": 220.0, "ask": 4.2, "ask_size": 11.0, "iv": 0.9056, "open_interest": 0.0, "volume": 0.0, "delta": 0.8348, "gamma": 0.04, "vega": 0.0122, "theta": -0.0031, "rho": 0.0091, "theo": 3.6872, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.64999997615814}, {"option": "YSS270716P00004000", "bid": 0.5, "bid_size": 369.0, "ask": 0.95, "ask_size": 847.0, "iv": 1.0753, "open_interest": 0.0, "volume": 0.0, "delta": -0.1384, "gamma": 0.0314, "vega": 0.0128, "theta": -0.0028, "rho": -0.0117, "theo": 0.8262, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "YSS270716C00005000", "bid": 2.1, "bid_size": 210.0, "ask": 3.8, "ask_size": 14.0, "iv": 1.0116, "open_interest": 2.0, "volume": 0.0, "delta": 0.7658, "gamma": 0.0482, "vega": 0.0157, "theta": -0.0036, "rho": 0.0108, "theo": 3.106, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.8, "last_trade_time": "2026-10-14T10:29:12", "percent_change": 0.0, "prev_day_close": 2.27499997615814}, {"option": "YSS270716P00005000", "bid": 1.0, "bid_size": 17.0, "ask": 1.45, "ask_size": 1480.0, "iv": 1.0891, "open_interest": 52.0, "volume": 0.0, "delta": -0.196, "gamma": 0.0406, "vega": 0.0159, "theta": -0.0033, "rho": -0.0169, "theo": 1.2595, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.37, "last_trade_time": "2026-11-02T12:47:25", "percent_change": 0.0, "prev_day_close": 1.375}, {"option": "YSS270716C00006000", "bid": 1.9, "bid_size": 410.0, "ask": 3.1, "ask_size": 293.0, "iv": 1.0141, "open_interest": 0.0, "volume": 0.0, "delta": 0.6978, "gamma": 0.0544, "vega": 0.0184, "theta": -0.0041, "rho": 0.0117, "theo": 2.6338, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.82500004768372}, {"option": "YSS270716P00006000", "bid": 1.4, "bid_size": 1458.0, "ask": 2.0, "ask_size": 1704.0, "iv": 1.0382, "open_interest": 0.0, "volume": 0.0, "delta": -0.2552, "gamma": 0.048, "vega": 0.0183, "theta": -0.0037, "rho": -0.0226, "theo": 1.7888, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.92499995231628}, {"option": "YSS270716C00007500", "bid": 1.45, "bid_size": 1502.0, "ask": 2.6, "ask_size": 429.0, "iv": 1.0387, "open_interest": 39.0, "volume": 0.0, "delta": 0.6048, "gamma": 0.0595, "vega": 0.0209, "theta": -0.0045, "rho": 0.0119, "theo": 2.0973, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.79, "last_trade_time": "2026-10-07T11:10:22", "percent_change": 0.0, "prev_day_close": 1.47499996423721}, {"option": "YSS270716P00007500", "bid": 2.4, "bid_size": 650.0, "ask": 2.95, "ask_size": 1488.0, "iv": 1.0424, "open_interest": 2.0, "volume": 10.0, "delta": -0.3393, "gamma": 0.0549, "vega": 0.0207, "theta": -0.004, "rho": -0.0311, "theo": 2.739, "change": -0.18, "open": 2.77, "high": 2.77, "low": 2.77, "tick": "up", "last_trade_price": 2.77, "last_trade_time": "2026-11-09T13:07:56", "percent_change": -6.10169, "prev_day_close": 2.94999992847443}, {"option": "YSS270716C00009000", "bid": 1.1, "bid_size": 1633.0, "ask": 2.2, "ask_size": 1076.0, "iv": 1.0461, "open_interest": 0.0, "volume": 0.0, "delta": 0.5265, "gamma": 0.0609, "vega": 0.0219, "theta": -0.0047, "rho": 0.0114, "theo": 1.7161, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.375}, {"option": "YSS270716P00009000", "bid": 3.4, "bid_size": 643.0, "ask": 4.1, "ask_size": 465.0, "iv": 1.0374, "open_interest": 0.0, "volume": 0.0, "delta": -0.4124, "gamma": 0.0578, "vega": 0.0217, "theta": -0.0041, "rho": -0.0391, "theo": 3.8344, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.10000014305115}, {"option": "YSS270716C00010000", "bid": 1.6, "bid_size": 62.0, "ask": 1.9, "ask_size": 1038.0, "iv": 1.1856, "open_interest": 434.0, "volume": 2.0, "delta": 0.4826, "gamma": 0.0604, "vega": 0.0221, "theta": -0.0048, "rho": 0.011, "theo": 1.5239, "change": 0.325, "open": 1.55, "high": 1.6, "low": 1.55, "tick": "up", "last_trade_price": 1.6, "last_trade_time": "2026-11-09T15:57:29", "percent_change": 25.4902, "prev_day_close": 1.27499997615814}, {"option": "YSS270716P00010000", "bid": 4.3, "bid_size": 24.0, "ask": 4.8, "ask_size": 415.0, "iv": 1.0495, "open_interest": 3.0, "volume": 0.0, "delta": -0.4544, "gamma": 0.0583, "vega": 0.0219, "theta": -0.004, "rho": -0.0442, "theo": 4.6237, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.55, "last_trade_time": "2026-08-14T12:55:50", "percent_change": 0.0, "prev_day_close": 5.20000004768372}, {"option": "YSS270716C00011000", "bid": 1.2, "bid_size": 1263.0, "ask": 1.7, "ask_size": 1337.0, "iv": 1.1295, "open_interest": 0.0, "volume": 20.0, "delta": 0.4444, "gamma": 0.0593, "vega": 0.022, "theta": -0.0048, "rho": 0.0105, "theo": 1.3677, "change": 0.15, "open": 1.2, "high": 1.2, "low": 1.2, "tick": "up", "last_trade_price": 1.2, "last_trade_time": "2026-11-09T11:32:16", "percent_change": 14.2857, "prev_day_close": 1.05000001192093}, {"option": "YSS270716P00011000", "bid": 5.0, "bid_size": 453.0, "ask": 5.7, "ask_size": 316.0, "iv": 1.0473, "open_interest": 0.0, "volume": 0.0, "delta": -0.4914, "gamma": 0.058, "vega": 0.0219, "theta": -0.0039, "rho": -0.0485, "theo": 5.4482, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.15000009536743}, {"option": "YSS270716C00012500", "bid": 0.8, "bid_size": 2030.0, "ask": 1.4, "ask_size": 1276.0, "iv": 1.069, "open_interest": 3.0, "volume": 0.0, "delta": 0.3967, "gamma": 0.0569, "vega": 0.0216, "theta": -0.0047, "rho": 0.0097, "theo": 1.1841, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.35, "last_trade_time": "2026-09-30T11:44:19", "percent_change": 0.0, "prev_day_close": 0.899999976158142}, {"option": "YSS270716P00012500", "bid": 6.2, "bid_size": 414.0, "ask": 7.7, "ask_size": 275.0, "iv": 1.207, "open_interest": 0.0, "volume": 0.0, "delta": -0.5388, "gamma": 0.0569, "vega": 0.0216, "theta": -0.0037, "rho": -0.0544, "theo": 6.7346, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 7.35000014305115}, {"option": "YSS270716C00014000", "bid": 0.8, "bid_size": 601.0, "ask": 1.3, "ask_size": 541.0, "iv": 1.1281, "open_interest": 0.0, "volume": 0.0, "delta": 0.3579, "gamma": 0.0543, "vega": 0.021, "theta": -0.0047, "rho": 0.009, "theo": 1.0437, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.649999991059303}, {"option": "YSS270716P00014000", "bid": 7.5, "bid_size": 78.0, "ask": 9.0, "ask_size": 19.0, "iv": 1.212, "open_interest": 0.0, "volume": 0.0, "delta": -0.5781, "gamma": 0.0554, "vega": 0.0211, "theta": -0.0035, "rho": -0.0597, "theo": 8.0645, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.80000019073486}, {"option": "YSS270716C00015000", "bid": 0.65, "bid_size": 675.0, "ask": 1.25, "ask_size": 776.0, "iv": 1.128, "open_interest": 1.0, "volume": 0.0, "delta": 0.336, "gamma": 0.0525, "vega": 0.0206, "theta": -0.0046, "rho": 0.0086, "theo": 0.9676, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.33, "last_trade_time": "2026-08-20T11:34:44", "percent_change": 0.0, "prev_day_close": 0.675000011920929}, {"option": "YSS270716P00015000", "bid": 8.3, "bid_size": 84.0, "ask": 9.9, "ask_size": 19.0, "iv": 1.1991, "open_interest": 1.0, "volume": 0.0, "delta": -0.6008, "gamma": 0.0543, "vega": 0.0207, "theta": -0.0033, "rho": -0.0624, "theo": 8.9692, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.2, "last_trade_time": "2026-07-30T15:58:05", "percent_change": 0.0, "prev_day_close": 9.75}, {"option": "YSS270716C00017500", "bid": 0.15, "bid_size": 2366.0, "ask": 1.05, "ask_size": 264.0, "iv": 1.0463, "open_interest": 6.0, "volume": 0.0, "delta": 0.2917, "gamma": 0.0482, "vega": 0.0194, "theta": -0.0045, "rho": 0.0077, "theo": 0.8199, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.65, "last_trade_time": "2026-08-18T14:25:53", "percent_change": 0.0, "prev_day_close": 0.599999994039536}, {"option": "YSS270716P00017500", "bid": 10.4, "bid_size": 93.0, "ask": 12.4, "ask_size": 17.0, "iv": 1.2272, "open_interest": 0.0, "volume": 0.0, "delta": -0.6481, "gamma": 0.0516, "vega": 0.0196, "theta": -0.0029, "rho": -0.0686, "theo": 11.2755, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 12.0999999046326}, {"option": "YSS270716C00020000", "bid": 0.35, "bid_size": 894.0, "ask": 0.95, "ask_size": 928.0, "iv": 1.156, "open_interest": 1.0, "volume": 0.0, "delta": 0.2583, "gamma": 0.0443, "vega": 0.0184, "theta": -0.0043, "rho": 0.0069, "theo": 0.7134, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-10-19T10:29:29", "percent_change": 0.0, "prev_day_close": 0.424999989569187}, {"option": "YSS270716P00020000", "bid": 12.7, "bid_size": 195.0, "ask": 15.4, "ask_size": 101.0, "iv": 1.4053, "open_interest": 50.0, "volume": 0.0, "delta": -0.6855, "gamma": 0.0493, "vega": 0.0185, "theta": -0.0024, "rho": -0.0735, "theo": 13.6271, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.45, "last_trade_time": "2026-08-20T15:49:30", "percent_change": 0.0, "prev_day_close": 14.5499997138977}, {"option": "YSS270716C00022500", "bid": 0.15, "bid_size": 2312.0, "ask": 0.75, "ask_size": 19.0, "iv": 1.1031, "open_interest": 5.0, "volume": 0.0, "delta": 0.2323, "gamma": 0.041, "vega": 0.0174, "theta": -0.0042, "rho": 0.0063, "theo": 0.6334, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-10-20T11:14:28", "percent_change": 0.0, "prev_day_close": 0.525000005960464}, {"option": "YSS270716P00022500", "bid": 15.1, "bid_size": 76.0, "ask": 17.7, "ask_size": 14.0, "iv": 1.4232, "open_interest": 12.0, "volume": 0.0, "delta": -0.7161, "gamma": 0.0474, "vega": 0.0175, "theta": -0.002, "rho": -0.0773, "theo": 16.009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.42, "last_trade_time": "2026-07-20T10:51:55", "percent_change": 0.0, "prev_day_close": 16.8499999046326}, {"option": "YSS270716C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1143.0, "iv": 1.109, "open_interest": 21.0, "volume": 0.0, "delta": 0.2114, "gamma": 0.0381, "vega": 0.0165, "theta": -0.004, "rho": 0.0058, "theo": 0.571, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-10-26T13:31:12", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270716P00025000", "bid": 17.6, "bid_size": 75.0, "ask": 20.0, "ask_size": 16.0, "iv": 1.4532, "open_interest": 0.0, "volume": 0.0, "delta": -0.7418, "gamma": 0.0458, "vega": 0.0165, "theta": -0.0016, "rho": -0.0792, "theo": 18.4119, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 19.2999992370605}, {"option": "YSS270716C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 1322.0, "iv": 1.1857, "open_interest": 10.0, "volume": 0.0, "delta": 0.1803, "gamma": 0.0335, "vega": 0.015, "theta": -0.0038, "rho": 0.005, "theo": 0.4803, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.4, "last_trade_time": "2026-09-16T10:09:38", "percent_change": 0.0, "prev_day_close": 0.400000013411045}, {"option": "YSS270716P00030000", "bid": 22.2, "bid_size": 83.0, "ask": 25.1, "ask_size": 23.0, "iv": 1.5122, "open_interest": 0.0, "volume": 0.0, "delta": -0.7835, "gamma": 0.0437, "vega": 0.0147, "theta": -0.0007, "rho": -0.0819, "theo": 23.2618, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 21.1, "last_trade_time": "2026-08-11T11:44:14", "percent_change": 0.0, "prev_day_close": 24.3499994277954}, {"option": "YSS270716C00035000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1110.0, "iv": 1.2828, "open_interest": 0.0, "volume": 0.0, "delta": 0.1582, "gamma": 0.03, "vega": 0.0138, "theta": -0.0036, "rho": 0.0044, "theo": 0.4173, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.349999994039536}, {"option": "YSS270716P00035000", "bid": 27.3, "bid_size": 75.0, "ask": 30.0, "ask_size": 8.0, "iv": 1.6281, "open_interest": 0.0, "volume": 0.0, "delta": -0.8166, "gamma": 0.0424, "vega": 0.013, "theta": 0.0, "rho": -0.0807, "theo": 28.1511, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 29.3999996185303}, {"option": "YSS270716C00040000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1190.0, "iv": 1.3486, "open_interest": 1.0, "volume": 0.0, "delta": 0.1415, "gamma": 0.0272, "vega": 0.0128, "theta": -0.0034, "rho": 0.004, "theo": 0.3709, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.1, "last_trade_time": "2026-07-29T09:30:58", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "YSS270716P00040000", "bid": 32.2, "bid_size": 88.0, "ask": 35.0, "ask_size": 8.0, "iv": 1.7013, "open_interest": 0.0, "volume": 0.0, "delta": -0.8445, "gamma": 0.0419, "vega": 0.0114, "theta": 0.0, "rho": -0.0775, "theo": 33.0663, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 27.1, "last_trade_time": "2026-07-31T13:21:00", "percent_change": 0.0, "prev_day_close": 34.4000015258789}, {"option": "YSS270820C00001000", "bid": 4.8, "bid_size": 148.0, "ask": 6.8, "ask_size": 14.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9997, "gamma": 0.0005, "vega": 0.0, "theta": -0.0018, "rho": 0.0, "theo": 6.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.69999992847443}, {"option": "YSS270820P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 966.0, "iv": 1.5258, "open_interest": 0.0, "volume": 0.0, "delta": -0.0153, "gamma": 0.0041, "vega": 0.0024, "theta": -0.0006, "rho": -0.0015, "theo": 0.086, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "YSS270820C00002500", "bid": 2.95, "bid_size": 194.0, "ask": 5.7, "ask_size": 93.0, "iv": 0.0, "open_interest": 14.0, "volume": 0.0, "delta": 0.9288, "gamma": 0.0254, "vega": 0.0062, "theta": -0.0019, "rho": 0.0054, "theo": 4.7953, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 7.0, "last_trade_time": "2026-09-21T11:03:50", "percent_change": 0.0, "prev_day_close": 3.60000002384186}, {"option": "YSS270820P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 2.5, "ask_size": 1809.0, "iv": 2.2876, "open_interest": 4.0, "volume": 0.0, "delta": -0.0652, "gamma": 0.0161, "vega": 0.0079, "theta": -0.0016, "rho": -0.0062, "theo": 0.3771, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.38, "last_trade_time": "2026-11-05T10:33:21", "percent_change": 0.0, "prev_day_close": 0.550000011920929}, {"option": "YSS270820C00004000", "bid": 2.15, "bid_size": 178.0, "ask": 4.8, "ask_size": 107.0, "iv": 0.9133, "open_interest": 0.0, "volume": 0.0, "delta": 0.8318, "gamma": 0.038, "vega": 0.0131, "theta": -0.0028, "rho": 0.0102, "theo": 3.7483, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.79999989271164}, {"option": "YSS270820P00004000", "bid": 0.65, "bid_size": 36.0, "ask": 1.0, "ask_size": 521.0, "iv": 1.0843, "open_interest": 0.0, "volume": 0.0, "delta": -0.1382, "gamma": 0.03, "vega": 0.0136, "theta": -0.0026, "rho": -0.0135, "theo": 0.8868, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.27500005066395}, {"option": "YSS270820C00005000", "bid": 1.6, "bid_size": 213.0, "ask": 4.3, "ask_size": 112.0, "iv": 0.9479, "open_interest": 58.0, "volume": 0.0, "delta": 0.7659, "gamma": 0.0451, "vega": 0.0167, "theta": -0.0034, "rho": 0.012, "theo": 3.2006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.35, "last_trade_time": "2026-10-06T12:35:48", "percent_change": 0.0, "prev_day_close": 2.47500002384186}, {"option": "YSS270820P00005000", "bid": 1.1, "bid_size": 108.0, "ask": 1.55, "ask_size": 737.0, "iv": 1.0834, "open_interest": 6.0, "volume": 0.0, "delta": -0.193, "gamma": 0.0382, "vega": 0.0168, "theta": -0.0031, "rho": -0.0193, "theo": 1.349, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.37, "last_trade_time": "2026-08-25T14:36:05", "percent_change": 0.0, "prev_day_close": 1.67499995231628}, {"option": "YSS270820C00007500", "bid": 0.7, "bid_size": 405.0, "ask": 3.8, "ask_size": 114.0, "iv": 1.0745, "open_interest": 0.0, "volume": 0.0, "delta": 0.6163, "gamma": 0.0552, "vega": 0.022, "theta": -0.0041, "rho": 0.0132, "theo": 2.2377, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.95000000298023}, {"option": "YSS270820P00007500", "bid": 2.6, "bid_size": 126.0, "ask": 3.1, "ask_size": 132.0, "iv": 1.0622, "open_interest": 2.0, "volume": 0.0, "delta": -0.3265, "gamma": 0.0511, "vega": 0.0218, "theta": -0.0037, "rho": -0.0345, "theo": 2.8645, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.75, "last_trade_time": "2026-08-27T13:25:02", "percent_change": 0.0, "prev_day_close": 3.44999992847443}, {"option": "YSS270820C00010000", "bid": 1.6, "bid_size": 159.0, "ask": 2.25, "ask_size": 11.0, "iv": 1.1855, "open_interest": 5.0, "volume": 0.0, "delta": 0.5008, "gamma": 0.0569, "vega": 0.0235, "theta": -0.0044, "rho": 0.0125, "theo": 1.6614, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.8, "last_trade_time": "2026-09-23T13:13:06", "percent_change": 0.0, "prev_day_close": 0.924999976530671}, {"option": "YSS270820P00010000", "bid": 4.4, "bid_size": 154.0, "ask": 4.9, "ask_size": 28.0, "iv": 1.0346, "open_interest": 3.0, "volume": 0.0, "delta": -0.4359, "gamma": 0.0553, "vega": 0.0234, "theta": -0.0038, "rho": -0.0481, "theo": 4.7396, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.47, "last_trade_time": "2026-08-19T09:30:29", "percent_change": 0.0, "prev_day_close": 5.65000009536743}, {"option": "YSS270820C00012500", "bid": 1.0, "bid_size": 1004.0, "ask": 1.85, "ask_size": 565.0, "iv": 1.1413, "open_interest": 5.0, "volume": 0.0, "delta": 0.4162, "gamma": 0.0548, "vega": 0.0233, "theta": -0.0044, "rho": 0.0112, "theo": 1.3007, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.0, "last_trade_time": "2026-09-08T09:30:57", "percent_change": 0.0, "prev_day_close": 1.04999995231628}, {"option": "YSS270820P00012500", "bid": 5.6, "bid_size": 222.0, "ask": 8.6, "ask_size": 130.0, "iv": 1.2059, "open_interest": 24.0, "volume": 0.0, "delta": -0.5196, "gamma": 0.0553, "vega": 0.0233, "theta": -0.0035, "rho": -0.0594, "theo": 6.8243, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.3, "last_trade_time": "2026-08-26T11:15:17", "percent_change": 0.0, "prev_day_close": 7.35000014305115}, {"option": "YSS270820C00015000", "bid": 0.9, "bid_size": 56.0, "ask": 1.45, "ask_size": 539.0, "iv": 1.1573, "open_interest": 1.0, "volume": 0.0, "delta": 0.354, "gamma": 0.0513, "vega": 0.0223, "theta": -0.0043, "rho": 0.01, "theo": 1.0613, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.4, "last_trade_time": "2026-08-04T11:05:12", "percent_change": 0.0, "prev_day_close": 1.49999995529652}, {"option": "YSS270820P00015000", "bid": 7.9, "bid_size": 100.0, "ask": 10.8, "ask_size": 23.0, "iv": 1.246, "open_interest": 2.0, "volume": 0.0, "delta": -0.5839, "gamma": 0.0538, "vega": 0.0225, "theta": -0.0032, "rho": -0.068, "theo": 9.0316, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 7.81, "last_trade_time": "2026-08-14T11:02:59", "percent_change": 0.0, "prev_day_close": 9.75}, {"option": "YSS270820C00017500", "bid": 0.55, "bid_size": 1034.0, "ask": 1.1, "ask_size": 120.0, "iv": 1.0931, "open_interest": 41.0, "volume": 0.0, "delta": 0.3072, "gamma": 0.0476, "vega": 0.0212, "theta": -0.0041, "rho": 0.009, "theo": 0.8937, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.84, "last_trade_time": "2026-08-06T13:12:46", "percent_change": 0.0, "prev_day_close": 0.774999976158142}, {"option": "YSS270820P00017500", "bid": 10.2, "bid_size": 179.0, "ask": 13.1, "ask_size": 91.0, "iv": 1.2782, "open_interest": 6.0, "volume": 0.0, "delta": -0.6343, "gamma": 0.0519, "vega": 0.0214, "theta": -0.0028, "rho": -0.0749, "theo": 11.3142, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.2, "last_trade_time": "2026-09-30T14:48:29", "percent_change": 0.0, "prev_day_close": 12.0999999046326}, {"option": "YSS270820C00020000", "bid": 0.4, "bid_size": 868.0, "ask": 1.1, "ask_size": 584.0, "iv": 1.1341, "open_interest": 29.0, "volume": 0.0, "delta": 0.2711, "gamma": 0.0442, "vega": 0.0201, "theta": -0.004, "rho": 0.0081, "theo": 0.7708, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.7, "last_trade_time": "2026-10-09T09:49:13", "percent_change": 0.0, "prev_day_close": 1.17499995231628}, {"option": "YSS270820P00020000", "bid": 12.6, "bid_size": 169.0, "ask": 15.0, "ask_size": 23.0, "iv": 1.2192, "open_interest": 0.0, "volume": 0.0, "delta": -0.6752, "gamma": 0.0501, "vega": 0.0202, "theta": -0.0024, "rho": -0.0797, "theo": 13.646, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.5}, {"option": "YSS270820C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 427.0, "iv": 1.0481, "open_interest": 0.0, "volume": 0.0, "delta": 0.2426, "gamma": 0.0411, "vega": 0.019, "theta": -0.0038, "rho": 0.0074, "theo": 0.6774, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.649999976158142}, {"option": "YSS270820P00022500", "bid": 15.0, "bid_size": 169.0, "ask": 17.6, "ask_size": 12.0, "iv": 1.3061, "open_interest": 11.0, "volume": 0.0, "delta": -0.709, "gamma": 0.0486, "vega": 0.0189, "theta": -0.002, "rho": -0.0832, "theo": 16.0119, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.9, "last_trade_time": "2026-08-05T11:11:10", "percent_change": 0.0, "prev_day_close": 16.9499998092651}, {"option": "YSS270820C00025000", "bid": 0.25, "bid_size": 704.0, "ask": 0.9, "ask_size": 435.0, "iv": 1.1622, "open_interest": 0.0, "volume": 0.0, "delta": 0.2195, "gamma": 0.0383, "vega": 0.018, "theta": -0.0036, "rho": 0.0068, "theo": 0.6042, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.625}, {"option": "YSS270820P00025000", "bid": 17.4, "bid_size": 79.0, "ask": 20.3, "ask_size": 19.0, "iv": 1.4068, "open_interest": 0.0, "volume": 0.0, "delta": -0.7379, "gamma": 0.0473, "vega": 0.0178, "theta": -0.0017, "rho": -0.085, "theo": 18.4022, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 19.3999996185303}, {"option": "YSS270820C00030000", "bid": 0.25, "bid_size": 422.0, "ask": 0.7, "ask_size": 400.0, "iv": 1.1947, "open_interest": 0.0, "volume": 0.0, "delta": 0.1847, "gamma": 0.0337, "vega": 0.0162, "theta": -0.0034, "rho": 0.0058, "theo": 0.4975, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.04999995231628}, {"option": "YSS270820P00030000", "bid": 22.3, "bid_size": 86.0, "ask": 25.2, "ask_size": 20.0, "iv": 1.4913, "open_interest": 0.0, "volume": 0.0, "delta": -0.7852, "gamma": 0.0456, "vega": 0.0155, "theta": -0.0009, "rho": -0.0859, "theo": 23.2342, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 24.1499996185303}, {"option": "YSS270820C00035000", "bid": 0.05, "bid_size": 595.0, "ask": 0.65, "ask_size": 608.0, "iv": 1.1828, "open_interest": 0.0, "volume": 0.0, "delta": 0.1598, "gamma": 0.03, "vega": 0.0148, "theta": -0.0032, "rho": 0.0051, "theo": 0.4235, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "YSS270820P00035000", "bid": 26.9, "bid_size": 100.0, "ask": 30.1, "ask_size": 20.0, "iv": 1.4752, "open_interest": 0.0, "volume": 0.0, "delta": -0.8232, "gamma": 0.0447, "vega": 0.0134, "theta": -0.0002, "rho": -0.0838, "theo": 28.1125, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 29.2999992370606}, {"option": "YSS270820C00040000", "bid": 0.05, "bid_size": 330.0, "ask": 1.3, "ask_size": 1633.0, "iv": 1.4532, "open_interest": 0.0, "volume": 0.0, "delta": 0.141, "gamma": 0.0271, "vega": 0.0136, "theta": -0.003, "rho": 0.0045, "theo": 0.3693, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.425000011920929}, {"option": "YSS270820P00040000", "bid": 31.9, "bid_size": 100.0, "ask": 35.1, "ask_size": 21.0, "iv": 1.5716, "open_interest": 0.0, "volume": 0.0, "delta": -0.8556, "gamma": 0.0442, "vega": 0.0113, "theta": 0.0, "rho": -0.0773, "theo": 33.0231, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 34.3000011444092}, {"option": "YSS271217C00002500", "bid": 2.85, "bid_size": 287.0, "ask": 7.1, "ask_size": 139.0, "iv": 1.1959, "open_interest": 66.0, "volume": 0.0, "delta": 0.9107, "gamma": 0.0196, "vega": 0.0092, "theta": -0.0014, "rho": 0.0089, "theo": 4.9923, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.8, "last_trade_time": "2026-10-16T11:35:49", "percent_change": 0.0, "prev_day_close": 3.74999988079071}, {"option": "YSS271217P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 2.9, "ask_size": 1249.0, "iv": 2.1902, "open_interest": 62.0, "volume": 0.0, "delta": -0.069, "gamma": 0.0143, "vega": 0.0099, "theta": -0.0014, "rho": -0.0102, "theo": 0.5384, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.55, "last_trade_time": "2026-10-26T10:07:10", "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "YSS271217C00005000", "bid": 1.8, "bid_size": 453.0, "ask": 4.6, "ask_size": 34.0, "iv": 0.8893, "open_interest": 320.0, "volume": 0.0, "delta": 0.7798, "gamma": 0.0346, "vega": 0.0193, "theta": -0.0025, "rho": 0.0159, "theo": 3.6191, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.04, "last_trade_time": "2026-11-05T13:22:06", "percent_change": 0.0, "prev_day_close": 2.99999988079071}, {"option": "YSS271217P00005000", "bid": 1.3, "bid_size": 225.0, "ask": 1.9, "ask_size": 713.0, "iv": 1.0758, "open_interest": 47.0, "volume": 0.0, "delta": -0.1793, "gamma": 0.031, "vega": 0.0193, "theta": -0.0025, "rho": -0.027, "theo": 1.6518, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.62, "last_trade_time": "2026-10-29T11:41:13", "percent_change": 0.0, "prev_day_close": 1.92500001192093}, {"option": "YSS271217C00007500", "bid": 1.0, "bid_size": 258.0, "ask": 5.0, "ask_size": 265.0, "iv": 1.1736, "open_interest": 38.0, "volume": 0.0, "delta": 0.6624, "gamma": 0.0433, "vega": 0.025, "theta": -0.0032, "rho": 0.0179, "theo": 2.7485, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.5, "last_trade_time": "2026-10-07T15:58:05", "percent_change": 0.0, "prev_day_close": 2.15000003576279}, {"option": "YSS271217P00007500", "bid": 2.8, "bid_size": 105.0, "ask": 3.4, "ask_size": 125.0, "iv": 1.0247, "open_interest": 133.0, "volume": 0.0, "delta": -0.2892, "gamma": 0.0419, "vega": 0.0249, "theta": -0.003, "rho": -0.0449, "theo": 3.2175, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.6, "last_trade_time": "2026-10-26T11:07:19", "percent_change": 0.0, "prev_day_close": 3.69999992847443}, {"option": "YSS271217C00010000", "bid": 2.05, "bid_size": 14.0, "ask": 2.7, "ask_size": 446.0, "iv": 1.1369, "open_interest": 61.0, "volume": 0.0, "delta": 0.5682, "gamma": 0.0467, "vega": 0.0275, "theta": -0.0035, "rho": 0.0176, "theo": 2.1864, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.76, "last_trade_time": "2026-11-02T13:21:13", "percent_change": 0.0, "prev_day_close": 1.85000000149012}, {"option": "YSS271217P00010000", "bid": 4.7, "bid_size": 19.0, "ask": 5.4, "ask_size": 19.0, "iv": 1.0565, "open_interest": 6.0, "volume": 0.0, "delta": -0.3825, "gamma": 0.0474, "vega": 0.0275, "theta": -0.0032, "rho": -0.0614, "theo": 5.0812, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 5.5, "last_trade_time": "2026-11-04T12:07:11", "percent_change": 0.0, "prev_day_close": 5.84999990463257}, {"option": "YSS271217C00012500", "bid": 1.65, "bid_size": 305.0, "ask": 2.2, "ask_size": 927.0, "iv": 1.1164, "open_interest": 134.0, "volume": 0.0, "delta": 0.4951, "gamma": 0.0471, "vega": 0.0283, "theta": -0.0036, "rho": 0.0167, "theo": 1.8074, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.52, "last_trade_time": "2026-10-27T12:06:05", "percent_change": 0.0, "prev_day_close": 1.67499997653067}, {"option": "YSS271217P00012500", "bid": 6.5, "bid_size": 469.0, "ask": 9.0, "ask_size": 336.0, "iv": 1.2967, "open_interest": 3.0, "volume": 0.0, "delta": -0.4584, "gamma": 0.05, "vega": 0.0282, "theta": -0.0032, "rho": -0.0743, "theo": 7.1302, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.92, "last_trade_time": "2026-11-05T15:44:05", "percent_change": 0.0, "prev_day_close": 7.84999990463257}, {"option": "YSS271217C00015000", "bid": 1.35, "bid_size": 293.0, "ask": 1.9, "ask_size": 1074.0, "iv": 1.1159, "open_interest": 76.0, "volume": 1.0, "delta": 0.4383, "gamma": 0.0461, "vega": 0.0281, "theta": -0.0037, "rho": 0.0156, "theo": 1.54, "change": -0.1, "open": 1.5, "high": 1.5, "low": 1.5, "tick": "up", "last_trade_price": 1.5, "last_trade_time": "2026-11-09T15:12:25", "percent_change": -6.25, "prev_day_close": 1.60000002384186}, {"option": "YSS271217P00015000", "bid": 8.2, "bid_size": 446.0, "ask": 11.1, "ask_size": 316.0, "iv": 1.2112, "open_interest": 41.0, "volume": 0.0, "delta": -0.5201, "gamma": 0.051, "vega": 0.0281, "theta": -0.003, "rho": -0.0854, "theo": 9.2964, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.82, "last_trade_time": "2026-10-22T14:46:44", "percent_change": 0.0, "prev_day_close": 10.0999999046326}, {"option": "YSS271217C00017500", "bid": 0.95, "bid_size": 1083.0, "ask": 1.7, "ask_size": 1070.0, "iv": 1.0916, "open_interest": 61.0, "volume": 0.0, "delta": 0.3934, "gamma": 0.0446, "vega": 0.0275, "theta": -0.0036, "rho": 0.0145, "theo": 1.3428, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.05, "last_trade_time": "2026-11-03T13:39:42", "percent_change": 0.0, "prev_day_close": 1.60000002384186}, {"option": "YSS271217P00017500", "bid": 9.9, "bid_size": 466.0, "ask": 13.4, "ask_size": 288.0, "iv": 1.1382, "open_interest": 8.0, "volume": 0.0, "delta": -0.5712, "gamma": 0.0513, "vega": 0.0273, "theta": -0.0029, "rho": -0.0933, "theo": 11.5401, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.42, "last_trade_time": "2026-08-24T14:16:27", "percent_change": 0.0, "prev_day_close": 12.25}, {"option": "YSS271217C00020000", "bid": 0.55, "bid_size": 964.0, "ask": 1.5, "ask_size": 531.0, "iv": 1.0473, "open_interest": 140.0, "volume": 0.0, "delta": 0.3572, "gamma": 0.0428, "vega": 0.0268, "theta": -0.0036, "rho": 0.0135, "theo": 1.1921, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.95, "last_trade_time": "2026-10-05T11:33:16", "percent_change": 0.0, "prev_day_close": 1.54999995231628}, {"option": "YSS271217P00020000", "bid": 12.8, "bid_size": 177.0, "ask": 15.7, "ask_size": 14.0, "iv": 1.2639, "open_interest": 16.0, "volume": 0.0, "delta": -0.6145, "gamma": 0.0515, "vega": 0.0262, "theta": -0.0027, "rho": -0.0979, "theo": 13.836, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.14, "last_trade_time": "2026-08-06T09:52:42", "percent_change": 0.0, "prev_day_close": 14.5999999046326}, {"option": "YSS271217C00022500", "bid": 0.65, "bid_size": 474.0, "ask": 1.35, "ask_size": 234.0, "iv": 1.0944, "open_interest": 23.0, "volume": 0.0, "delta": 0.3276, "gamma": 0.041, "vega": 0.026, "theta": -0.0035, "rho": 0.0126, "theo": 1.0739, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.15, "last_trade_time": "2026-09-21T12:31:09", "percent_change": 0.0, "prev_day_close": 1.54999995231628}, {"option": "YSS271217P00022500", "bid": 15.1, "bid_size": 220.0, "ask": 18.5, "ask_size": 30.0, "iv": 1.3603, "open_interest": 54.0, "volume": 0.0, "delta": -0.6514, "gamma": 0.0515, "vega": 0.0251, "theta": -0.0024, "rho": -0.1031, "theo": 16.1707, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 14.73, "last_trade_time": "2026-08-14T10:31:11", "percent_change": 0.0, "prev_day_close": 17.25}, {"option": "YSS271217C00025000", "bid": 0.3, "bid_size": 1947.0, "ask": 1.25, "ask_size": 26.0, "iv": 1.0514, "open_interest": 24.0, "volume": 0.0, "delta": 0.3029, "gamma": 0.0392, "vega": 0.0252, "theta": -0.0034, "rho": 0.0119, "theo": 0.9782, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.7, "last_trade_time": "2026-11-05T12:54:36", "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "YSS271217P00025000", "bid": 17.5, "bid_size": 166.0, "ask": 21.0, "ask_size": 24.0, "iv": 1.4114, "open_interest": 1.0, "volume": 0.0, "delta": -0.6844, "gamma": 0.0516, "vega": 0.0236, "theta": -0.0022, "rho": -0.1038, "theo": 18.5338, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 17.47, "last_trade_time": "2026-10-05T14:15:38", "percent_change": 0.0, "prev_day_close": 19.6000003814697}, {"option": "YSS271217C00030000", "bid": 0.4, "bid_size": 482.0, "ask": 1.0, "ask_size": 22.0, "iv": 1.0988, "open_interest": 138.0, "volume": 0.0, "delta": 0.2643, "gamma": 0.0361, "vega": 0.0237, "theta": -0.0033, "rho": 0.0106, "theo": 0.834, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.84, "last_trade_time": "2026-10-12T11:35:19", "percent_change": 0.0, "prev_day_close": 1.47500002384186}, {"option": "YSS271217P00030000", "bid": 22.3, "bid_size": 81.0, "ask": 25.5, "ask_size": 21.0, "iv": 1.3999, "open_interest": 4.0, "volume": 0.0, "delta": -0.7396, "gamma": 0.0519, "vega": 0.0212, "theta": -0.0018, "rho": -0.1056, "theo": 23.3217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 22.26, "last_trade_time": "2026-09-18T10:27:47", "percent_change": 0.0, "prev_day_close": 24.1999998092651}, {"option": "YSS271217C00035000", "bid": 0.35, "bid_size": 197.0, "ask": 0.95, "ask_size": 26.0, "iv": 1.1404, "open_interest": 5.0, "volume": 0.0, "delta": 0.2353, "gamma": 0.0334, "vega": 0.0223, "theta": -0.0032, "rho": 0.0096, "theo": 0.7299, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.0, "last_trade_time": "2026-08-18T13:17:50", "percent_change": 0.0, "prev_day_close": 1.45000004768372}, {"option": "YSS271217P00035000", "bid": 26.5, "bid_size": 120.0, "ask": 30.5, "ask_size": 27.0, "iv": 1.3372, "open_interest": 0.0, "volume": 0.0, "delta": -0.7855, "gamma": 0.0525, "vega": 0.0185, "theta": -0.0014, "rho": -0.1007, "theo": 28.1679, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 21.8, "last_trade_time": "2026-07-27T10:26:38", "percent_change": 0.0, "prev_day_close": 29.2999992370606}, {"option": "YSS271217C00040000", "bid": 0.25, "bid_size": 122.0, "ask": 0.75, "ask_size": 458.0, "iv": 1.119, "open_interest": 600.0, "volume": 0.0, "delta": 0.2128, "gamma": 0.031, "vega": 0.0211, "theta": -0.003, "rho": 0.0088, "theo": 0.6515, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-08-06T09:50:06", "percent_change": 0.0, "prev_day_close": 1.02499997615814}, {"option": "YSS271217P00040000", "bid": 31.5, "bid_size": 138.0, "ask": 35.5, "ask_size": 27.0, "iv": 1.4237, "open_interest": 13.0, "volume": 0.0, "delta": -0.8257, "gamma": 0.0531, "vega": 0.0156, "theta": -0.001, "rho": -0.0925, "theo": 33.0549, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 31.2, "last_trade_time": "2026-09-29T13:59:11", "percent_change": 0.0, "prev_day_close": 34.6000003814697}, {"option": "YSS280121C00002500", "bid": 2.85, "bid_size": 229.0, "ask": 7.1, "ask_size": 139.0, "iv": 1.0845, "open_interest": 0.0, "volume": 0.0, "delta": 0.9094, "gamma": 0.0163, "vega": 0.0102, "theta": -0.0012, "rho": 0.0102, "theo": 5.1559, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.77499985694885}, {"option": "YSS280121P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 2.9, "ask_size": 954.0, "iv": 2.1177, "open_interest": 2.0, "volume": 0.0, "delta": -0.0693, "gamma": 0.0133, "vega": 0.0104, "theta": -0.0014, "rho": -0.0118, "theo": 0.6303, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.63, "last_trade_time": "2026-10-19T10:41:21", "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "YSS280121C00005000", "bid": 1.8, "bid_size": 271.0, "ask": 4.8, "ask_size": 24.0, "iv": 0.8631, "open_interest": 66.0, "volume": 0.0, "delta": 0.793, "gamma": 0.0311, "vega": 0.0199, "theta": -0.0023, "rho": 0.0174, "theo": 3.8104, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.17, "last_trade_time": "2026-11-02T13:32:49", "percent_change": 0.0, "prev_day_close": 2.99999988079071}, {"option": "YSS280121P00005000", "bid": 1.35, "bid_size": 163.0, "ask": 1.95, "ask_size": 372.0, "iv": 1.0741, "open_interest": 0.0, "volume": 0.0, "delta": -0.1744, "gamma": 0.0294, "vega": 0.0199, "theta": -0.0024, "rho": -0.0291, "theo": 1.7278, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.0}, {"option": "YSS280121C00007500", "bid": 0.95, "bid_size": 206.0, "ask": 5.0, "ask_size": 176.0, "iv": 1.0845, "open_interest": 1.0, "volume": 0.0, "delta": 0.6834, "gamma": 0.0403, "vega": 0.0258, "theta": -0.0029, "rho": 0.0197, "theo": 2.9371, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.9, "last_trade_time": "2026-10-19T09:43:10", "percent_change": 0.0, "prev_day_close": 2.17500001192093}, {"option": "YSS280121P00007500", "bid": 2.8, "bid_size": 147.0, "ask": 3.6, "ask_size": 246.0, "iv": 1.0422, "open_interest": 5.0, "volume": 0.0, "delta": -0.2812, "gamma": 0.0405, "vega": 0.0258, "theta": -0.0029, "rho": -0.0475, "theo": 3.2716, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.72, "last_trade_time": "2026-11-05T15:44:05", "percent_change": 0.0, "prev_day_close": 3.47499990463257}, {"option": "YSS280121C00010000", "bid": 1.95, "bid_size": 55.0, "ask": 2.95, "ask_size": 19.0, "iv": 1.0906, "open_interest": 92.0, "volume": 0.0, "delta": 0.5953, "gamma": 0.0441, "vega": 0.0286, "theta": -0.0033, "rho": 0.0196, "theo": 2.3833, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.0, "last_trade_time": "2026-10-28T12:18:05", "percent_change": 0.0, "prev_day_close": 1.90000000596046}, {"option": "YSS280121P00010000", "bid": 4.8, "bid_size": 67.0, "ask": 5.6, "ask_size": 137.0, "iv": 1.0902, "open_interest": 1.0, "volume": 0.0, "delta": -0.3716, "gamma": 0.0463, "vega": 0.0286, "theta": -0.0031, "rho": -0.064, "theo": 5.1342, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.77, "last_trade_time": "2026-09-21T15:33:24", "percent_change": 0.0, "prev_day_close": 5.80000019073486}, {"option": "YSS280121C00012500", "bid": 1.75, "bid_size": 40.0, "ask": 2.5, "ask_size": 250.0, "iv": 1.1153, "open_interest": 69.0, "volume": 0.0, "delta": 0.528, "gamma": 0.0449, "vega": 0.0297, "theta": -0.0035, "rho": 0.0187, "theo": 2.0205, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.15, "last_trade_time": "2026-10-29T11:10:22", "percent_change": 0.0, "prev_day_close": 1.75000004842877}, {"option": "YSS280121P00012500", "bid": 6.8, "bid_size": 13.0, "ask": 7.7, "ask_size": 12.0, "iv": 1.0988, "open_interest": 2.0, "volume": 0.0, "delta": -0.4437, "gamma": 0.0491, "vega": 0.0296, "theta": -0.0032, "rho": -0.0775, "theo": 7.1943, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.3, "last_trade_time": "2026-09-22T09:30:02", "percent_change": 0.0, "prev_day_close": 7.95000004768372}, {"option": "YSS280121C00015000", "bid": 1.45, "bid_size": 43.0, "ask": 2.15, "ask_size": 235.0, "iv": 1.1082, "open_interest": 10.0, "volume": 0.0, "delta": 0.4767, "gamma": 0.0443, "vega": 0.0299, "theta": -0.0036, "rho": 0.0177, "theo": 1.77, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.4, "last_trade_time": "2026-10-27T14:00:32", "percent_change": 0.0, "prev_day_close": 1.72500004805624}, {"option": "YSS280121P00015000", "bid": 8.0, "bid_size": 102.0, "ask": 11.4, "ask_size": 18.0, "iv": 1.2079, "open_interest": 1.0, "volume": 0.0, "delta": -0.5013, "gamma": 0.0503, "vega": 0.0296, "theta": -0.0032, "rho": -0.0882, "theo": 9.3748, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.3, "last_trade_time": "2026-09-23T09:30:02", "percent_change": 0.0, "prev_day_close": 10.1499996185303}, {"option": "YSS280121C00017500", "bid": 1.1, "bid_size": 250.0, "ask": 2.0, "ask_size": 333.0, "iv": 1.1048, "open_interest": 56.0, "volume": 0.0, "delta": 0.4368, "gamma": 0.0431, "vega": 0.0296, "theta": -0.0036, "rho": 0.0167, "theo": 1.588, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.56, "last_trade_time": "2026-10-29T13:02:08", "percent_change": 0.0, "prev_day_close": 1.67499997653067}, {"option": "YSS280121P00017500", "bid": 10.7, "bid_size": 90.0, "ask": 13.7, "ask_size": 11.0, "iv": 1.3108, "open_interest": 0.0, "volume": 0.0, "delta": -0.5482, "gamma": 0.0509, "vega": 0.0291, "theta": -0.0031, "rho": -0.097, "theo": 11.631, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 12.6500000953674}, {"option": "YSS290119C00002500", "bid": 3.1, "bid_size": 15.0, "ask": 7.4, "ask_size": 13.0, "iv": 1.1188, "open_interest": 28.0, "volume": 0.0, "delta": 0.8989, "gamma": 0.0126, "vega": 0.0124, "theta": -0.0009, "rho": 0.0117, "theo": 5.4995, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.45, "last_trade_time": "2026-11-04T15:43:09", "percent_change": 0.0, "prev_day_close": 4.25000011920929}, {"option": "YSS290119P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 3.8, "ask_size": 657.0, "iv": 2.1436, "open_interest": 2.0, "volume": 0.0, "delta": -0.0597, "gamma": 0.0085, "vega": 0.0124, "theta": -0.0009, "rho": -0.0267, "theo": 1.1117, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.99, "last_trade_time": "2026-11-06T10:23:55", "percent_change": 0.0, "prev_day_close": 0.949999988079071}, {"option": "YSS290119C00005000", "bid": 2.3, "bid_size": 12.0, "ask": 6.5, "ask_size": 13.0, "iv": 1.129, "open_interest": 113.0, "volume": 0.0, "delta": 0.8052, "gamma": 0.0211, "vega": 0.0227, "theta": -0.0014, "rho": 0.021, "theo": 4.4153, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-11-05T10:52:53", "percent_change": 0.0, "prev_day_close": 3.45000004768372}, {"option": "YSS290119P00005000", "bid": 1.9, "bid_size": 559.0, "ask": 2.5, "ask_size": 2.0, "iv": 1.0298, "open_interest": 12.0, "volume": 0.0, "delta": -0.136, "gamma": 0.0184, "vega": 0.0224, "theta": -0.0014, "rho": -0.0552, "theo": 2.4454, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.2, "last_trade_time": "2026-11-06T09:50:33", "percent_change": 0.0, "prev_day_close": 2.65000009536743}, {"option": "YSS290119C00007500", "bid": 1.8, "bid_size": 12.0, "ask": 5.0, "ask_size": 11.0, "iv": 0.9805, "open_interest": 5.0, "volume": 0.0, "delta": 0.729, "gamma": 0.0261, "vega": 0.0291, "theta": -0.0018, "rho": 0.0253, "theo": 3.7335, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.5, "last_trade_time": "2026-11-03T13:49:46", "percent_change": 0.0, "prev_day_close": 3.07500004768372}, {"option": "YSS290119P00007500", "bid": 2.85, "bid_size": 213.0, "ask": 5.9, "ask_size": 481.0, "iv": 1.1752, "open_interest": 25.0, "volume": 0.0, "delta": -0.2067, "gamma": 0.0256, "vega": 0.029, "theta": -0.0017, "rho": -0.083, "theo": 4.1373, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.62, "last_trade_time": "2026-11-05T12:31:10", "percent_change": 0.0, "prev_day_close": 4.54999995231628}, {"option": "YSS290119C00010000", "bid": 2.55, "bid_size": 703.0, "ask": 4.4, "ask_size": 704.0, "iv": 1.142, "open_interest": 80.0, "volume": 0.0, "delta": 0.674, "gamma": 0.0282, "vega": 0.0326, "theta": -0.002, "rho": 0.0266, "theo": 3.3276, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.69, "last_trade_time": "2026-11-06T10:13:37", "percent_change": 0.0, "prev_day_close": 2.77500009536743}, {"option": "YSS290119P00010000", "bid": 5.1, "bid_size": 26.0, "ask": 7.9, "ask_size": 225.0, "iv": 1.2229, "open_interest": 0.0, "volume": 0.0, "delta": -0.263, "gamma": 0.0301, "vega": 0.0327, "theta": -0.0018, "rho": -0.1076, "theo": 6.0996, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.65000009536743}, {"option": "YSS290119C00012500", "bid": 1.3, "bid_size": 14.0, "ask": 4.5, "ask_size": 8.0, "iv": 1.0677, "open_interest": 8.0, "volume": 0.0, "delta": 0.6353, "gamma": 0.0288, "vega": 0.0346, "theta": -0.0022, "rho": 0.0268, "theo": 3.0781, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.75, "last_trade_time": "2026-10-23T13:57:46", "percent_change": 0.0, "prev_day_close": 2.57499998807907}, {"option": "YSS290119P00012500", "bid": 7.1, "bid_size": 22.0, "ask": 9.4, "ask_size": 201.0, "iv": 1.1258, "open_interest": 0.0, "volume": 0.0, "delta": -0.3065, "gamma": 0.033, "vega": 0.0348, "theta": -0.0019, "rho": -0.1288, "theo": 8.2245, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.79999995231628}, {"option": "YSS290119C00015000", "bid": 1.05, "bid_size": 16.0, "ask": 4.3, "ask_size": 13.0, "iv": 1.0792, "open_interest": 16.0, "volume": 0.0, "delta": 0.6074, "gamma": 0.0287, "vega": 0.0357, "theta": -0.0024, "rho": 0.0265, "theo": 2.9148, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.0, "last_trade_time": "2026-10-05T14:38:33", "percent_change": 0.0, "prev_day_close": 2.40000003576279}, {"option": "YSS290119P00015000", "bid": 9.3, "bid_size": 24.0, "ask": 12.2, "ask_size": 217.0, "iv": 1.2317, "open_interest": 0.0, "volume": 0.0, "delta": -0.341, "gamma": 0.035, "vega": 0.0359, "theta": -0.002, "rho": -0.1471, "theo": 10.4446, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 11.0}, {"option": "YSS290119C00017500", "bid": 0.6, "bid_size": 15.0, "ask": 3.8, "ask_size": 10.0, "iv": 1.0122, "open_interest": 23.0, "volume": 0.0, "delta": 0.5865, "gamma": 0.0284, "vega": 0.0365, "theta": -0.0025, "rho": 0.0261, "theo": 2.8011, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.35, "last_trade_time": "2026-11-04T15:43:09", "percent_change": 0.0, "prev_day_close": 1.97500002384186}, {"option": "YSS290119P00017500", "bid": 11.5, "bid_size": 18.0, "ask": 14.3, "ask_size": 402.0, "iv": 1.2213, "open_interest": 929.0, "volume": 0.0, "delta": -0.3693, "gamma": 0.0366, "vega": 0.0365, "theta": -0.002, "rho": -0.1623, "theo": 12.7226, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.7, "last_trade_time": "2026-11-03T10:02:47", "percent_change": 0.0, "prev_day_close": 13.25}], "symbol": "YSS", "security_type": "stock", "exchange_id": 3, "current_price": 7.11, "price_change": 0.85, "price_change_percent": 13.5783, "bid": 7.09, "ask": 7.13, "bid_size": 100, "ask_size": 1000, "open": 6.34, "high": 7.17, "low": 6.09, "close": 7.11, "prev_day_close": 6.26, "volume": 1570916, "iv30": 123.723, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 10415201978, "last_trade_time": "2026-11-09T15:59:59", "tick": "down"}, "symbol": "YSS"}