{"timestamp": "2026-10-04 10:06:29", "data": {"options": [{"option": "ENGN261016C00001000", "bid": 0.0, "bid_size": 0.0, "ask": 4.0, "ask_size": 527.0, "iv": 0.0, "open_interest": 98.0, "volume": 0.0, "delta": 0.9584, "gamma": 0.1019, "vega": 0.0003, "theta": -0.0029, "rho": 0.0002, "theo": 1.0006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.95, "last_trade_time": "2026-09-25T09:49:48", "percent_change": 0.0, "prev_day_close": 2.39999997615814}, {"option": "ENGN261016P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 12.0, "iv": 2.5031, "open_interest": 0.0, "volume": 0.0, "delta": -0.0421, "gamma": 0.099, "vega": 0.0004, "theta": -0.0028, "rho": 0.0, "theo": 0.0182, "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": "ENGN261016C00002000", "bid": 0.0, "bid_size": 0.0, "ask": 1.95, "ask_size": 891.0, "iv": 6.7981, "open_interest": 343.0, "volume": 0.0, "delta": 0.5292, "gamma": 0.8822, "vega": 0.0015, "theta": -0.0065, "rho": 0.0003, "theo": 0.1704, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.95, "last_trade_time": "2026-10-01T11:00:21", "percent_change": 0.0, "prev_day_close": 0.949999988079071}, {"option": "ENGN261016P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 44.0, "iv": 3.0395, "open_interest": 60.0, "volume": 0.0, "delta": -0.4689, "gamma": 0.8783, "vega": 0.0015, "theta": -0.0064, "rho": -0.0004, "theo": 0.1886, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-09-30T14:29:24", "percent_change": 0.0, "prev_day_close": 1.54999995231628}, {"option": "ENGN261016C00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.4, "ask_size": 2.0, "iv": 1.7993, "open_interest": 70.0, "volume": 0.0, "delta": 0.1961, "gamma": 0.3532, "vega": 0.0011, "theta": -0.0076, "rho": 0.0001, "theo": 0.0699, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.15, "last_trade_time": "2026-08-26T14:02:45", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "ENGN261016P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 3.9, "ask_size": 727.0, "iv": 7.9403, "open_interest": 0.0, "volume": 0.0, "delta": -0.8009, "gamma": 0.3533, "vega": 0.0011, "theta": -0.0076, "rho": -0.0009, "theo": 1.0869, "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": "ENGN261120C00001000", "bid": 0.0, "bid_size": 0.0, "ask": 4.1, "ask_size": 200.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9566, "gamma": 0.1222, "vega": 0.0006, "theta": -0.001, "rho": 0.0005, "theo": 0.9667, "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": "ENGN261120P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 3.0, "ask_size": 987.0, "iv": 0.0, "open_interest": 200.0, "volume": 0.0, "delta": -0.0466, "gamma": 0.1082, "vega": 0.0007, "theta": -0.0009, "rho": -0.0001, "theo": 0.0204, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-17T09:50:37", "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "ENGN261120C00002000", "bid": 0.0, "bid_size": 0.0, "ask": 3.3, "ask_size": 408.0, "iv": 7.9303, "open_interest": 0.0, "volume": 0.0, "delta": 0.5378, "gamma": 0.5606, "vega": 0.0028, "theta": -0.0029, "rho": 0.0009, "theo": 0.2538, "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": 1.64999997615814}, {"option": "ENGN261120P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 3.3, "ask_size": 771.0, "iv": 7.4263, "open_interest": 0.0, "volume": 0.0, "delta": -0.4535, "gamma": 0.5538, "vega": 0.0028, "theta": -0.0028, "rho": -0.0016, "theo": 0.3098, "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": 1.0}, {"option": "ENGN261120C00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 1.0, "iv": 0.9982, "open_interest": 0.0, "volume": 0.0, "delta": 0.2619, "gamma": 0.3357, "vega": 0.0023, "theta": -0.0032, "rho": 0.0005, "theo": 0.1196, "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": 0.0500000007450581}, {"option": "ENGN261120P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 4.1, "ask_size": 714.0, "iv": 4.6352, "open_interest": 0.0, "volume": 0.0, "delta": -0.7278, "gamma": 0.3366, "vega": 0.0023, "theta": -0.0032, "rho": -0.003, "theo": 1.1711, "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": 2.04999995231628}, {"option": "ENGN261218C00001000", "bid": 0.0, "bid_size": 0.0, "ask": 4.2, "ask_size": 738.0, "iv": 0.0, "open_interest": 272.0, "volume": 0.0, "delta": 0.9175, "gamma": 0.1381, "vega": 0.0012, "theta": -0.0012, "rho": 0.001, "theo": 0.9947, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.95, "last_trade_time": "2026-09-30T14:09:28", "percent_change": 0.0, "prev_day_close": 2.09999990463257}, {"option": "ENGN261218P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 3000.0, "iv": 1.2677, "open_interest": 6406.0, "volume": 0.0, "delta": -0.0803, "gamma": 0.1252, "vega": 0.0013, "theta": -0.0011, "rho": -0.0004, "theo": 0.0563, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-18T15:22:26", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "ENGN261218C00002000", "bid": 0.2, "bid_size": 2.0, "ask": 0.7, "ask_size": 10.0, "iv": 1.3611, "open_interest": 1139.0, "volume": 0.0, "delta": 0.5634, "gamma": 0.4185, "vega": 0.0035, "theta": -0.0024, "rho": 0.0014, "theo": 0.339, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.4, "last_trade_time": "2026-09-25T15:58:30", "percent_change": 0.0, "prev_day_close": 0.449999995529652}, {"option": "ENGN261218P00002000", "bid": 0.25, "bid_size": 38.0, "ask": 3.3, "ask_size": 1049.0, "iv": 7.0001, "open_interest": 283.0, "volume": 0.0, "delta": -0.4227, "gamma": 0.4116, "vega": 0.0035, "theta": -0.0024, "rho": -0.0025, "theo": 0.4006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.45, "last_trade_time": "2026-09-24T13:49:02", "percent_change": 0.0, "prev_day_close": 1.82500004768372}, {"option": "ENGN261218C00003000", "bid": 0.1, "bid_size": 5.0, "ask": 4.8, "ask_size": 605.0, "iv": 0.0, "open_interest": 117.0, "volume": 0.0, "delta": 0.3617, "gamma": 0.291, "vega": 0.0033, "theta": -0.0031, "rho": 0.0009, "theo": 0.2255, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.17, "last_trade_time": "2026-09-25T15:54:39", "percent_change": 0.0, "prev_day_close": 2.45000009611249}, {"option": "ENGN261218P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 4.3, "ask_size": 708.0, "iv": 4.0606, "open_interest": 0.0, "volume": 0.0, "delta": -0.6229, "gamma": 0.2919, "vega": 0.0033, "theta": -0.0031, "rho": -0.0043, "theo": 1.2804, "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": 2.15000009536743}, {"option": "ENGN261218C00004000", "bid": 0.0, "bid_size": 0.0, "ask": 4.8, "ask_size": 498.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.2902, "gamma": 0.2229, "vega": 0.003, "theta": -0.0033, "rho": 0.0007, "theo": 0.1909, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-08-05T12:25:28", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00004000", "bid": 0.1, "bid_size": 706.0, "ask": 5.0, "ask_size": 693.0, "iv": 2.603, "open_interest": 0.0, "volume": 0.0, "delta": -0.696, "gamma": 0.2269, "vega": 0.003, "theta": -0.0034, "rho": -0.0054, "theo": 2.2395, "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": 2.55000000074506}, {"option": "ENGN261218C00005000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 499.0, "iv": 0.0, "open_interest": 2.0, "volume": 0.0, "delta": 0.2523, "gamma": 0.1861, "vega": 0.0028, "theta": -0.0034, "rho": 0.0006, "theo": 0.1722, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.12, "last_trade_time": "2026-08-20T14:36:52", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00005000", "bid": 0.7, "bid_size": 95.0, "ask": 5.5, "ask_size": 692.0, "iv": 1.3857, "open_interest": 0.0, "volume": 0.0, "delta": -0.7357, "gamma": 0.192, "vega": 0.0028, "theta": -0.0036, "rho": -0.0062, "theo": 3.2154, "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": 3.15000000596046}, {"option": "ENGN261218C00006000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 503.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.2282, "gamma": 0.1628, "vega": 0.0027, "theta": -0.0035, "rho": 0.0006, "theo": 0.1598, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-07T12:29:09", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00006000", "bid": 1.6, "bid_size": 100.0, "ask": 6.5, "ask_size": 694.0, "iv": 1.1222, "open_interest": 0.0, "volume": 0.0, "delta": -0.7618, "gamma": 0.1704, "vega": 0.0027, "theta": -0.0037, "rho": -0.0069, "theo": 4.1981, "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": 4.05000001192093}, {"option": "ENGN261218C00007000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 501.0, "iv": 0.0, "open_interest": 4.0, "volume": 0.0, "delta": 0.211, "gamma": 0.1467, "vega": 0.0026, "theta": -0.0036, "rho": 0.0005, "theo": 0.1507, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-07T13:09:36", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00007000", "bid": 2.6, "bid_size": 95.0, "ask": 7.5, "ask_size": 694.0, "iv": 1.2793, "open_interest": 0.0, "volume": 0.0, "delta": -0.7808, "gamma": 0.1557, "vega": 0.0025, "theta": -0.0038, "rho": -0.0076, "theo": 5.1846, "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": 5.04999995231628}, {"option": "ENGN261218C00008000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 499.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.1979, "gamma": 0.1348, "vega": 0.0025, "theta": -0.0036, "rho": 0.0005, "theo": 0.1436, "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": 2.40000009536743}, {"option": "ENGN261218P00008000", "bid": 3.6, "bid_size": 69.0, "ask": 8.5, "ask_size": 604.0, "iv": 1.4139, "open_interest": 0.0, "volume": 0.0, "delta": -0.7957, "gamma": 0.145, "vega": 0.0024, "theta": -0.0038, "rho": -0.008, "theo": 6.1735, "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": 6.04999995231628}, {"option": "ENGN261218C00009000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 499.0, "iv": 0.0, "open_interest": 1.0, "volume": 0.0, "delta": 0.1876, "gamma": 0.1254, "vega": 0.0024, "theta": -0.0036, "rho": 0.0004, "theo": 0.1378, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-18T11:36:18", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00009000", "bid": 4.5, "bid_size": 73.0, "ask": 9.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8079, "gamma": 0.1368, "vega": 0.0023, "theta": -0.0039, "rho": -0.0085, "theo": 7.164, "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": 7.04999995231628}, {"option": "ENGN261218C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 498.0, "iv": 0.0, "open_interest": 2.0, "volume": 0.0, "delta": 0.1791, "gamma": 0.118, "vega": 0.0023, "theta": -0.0036, "rho": 0.0004, "theo": 0.1329, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-17T12:42:17", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00010000", "bid": 5.5, "bid_size": 73.0, "ask": 10.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8183, "gamma": 0.1307, "vega": 0.0022, "theta": -0.004, "rho": -0.0091, "theo": 8.1557, "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": 8.04999995231628}, {"option": "ENGN261218C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 525.0, "iv": 0.0, "open_interest": 40.0, "volume": 0.0, "delta": 0.1719, "gamma": 0.1118, "vega": 0.0022, "theta": -0.0036, "rho": 0.0004, "theo": 0.1287, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-18T11:36:16", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00011000", "bid": 6.5, "bid_size": 73.0, "ask": 11.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8272, "gamma": 0.1255, "vega": 0.0021, "theta": -0.004, "rho": -0.0092, "theo": 9.1484, "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": 9.04999995231628}, {"option": "ENGN261218C00012000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 499.0, "iv": 0.0, "open_interest": 2.0, "volume": 0.0, "delta": 0.1658, "gamma": 0.1066, "vega": 0.0022, "theta": -0.0036, "rho": 0.0004, "theo": 0.1251, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-18T11:36:23", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00012000", "bid": 7.5, "bid_size": 73.0, "ask": 12.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.835, "gamma": 0.1214, "vega": 0.0021, "theta": -0.0041, "rho": -0.0095, "theo": 10.1418, "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": 10.0499999523163}, {"option": "ENGN261218C00013000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 497.0, "iv": 0.0, "open_interest": 1.0, "volume": 0.0, "delta": 0.1605, "gamma": 0.1021, "vega": 0.0022, "theta": -0.0036, "rho": 0.0004, "theo": 0.1218, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-05T10:21:23", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00013000", "bid": 8.5, "bid_size": 74.0, "ask": 13.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8422, "gamma": 0.1182, "vega": 0.002, "theta": -0.0042, "rho": -0.0097, "theo": 11.1359, "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": "ENGN261218C00014000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 500.0, "iv": 0.0, "open_interest": 3.0, "volume": 0.0, "delta": 0.1558, "gamma": 0.0982, "vega": 0.0021, "theta": -0.0036, "rho": 0.0004, "theo": 0.1189, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-17T12:42:20", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00014000", "bid": 9.5, "bid_size": 74.0, "ask": 14.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8487, "gamma": 0.1154, "vega": 0.002, "theta": -0.0042, "rho": -0.0102, "theo": 12.1304, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.4, "last_trade_time": "2026-06-16T12:08:45", "percent_change": 0.0, "prev_day_close": 12.0500001907349}, {"option": "ENGN261218C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 4.7, "ask_size": 513.0, "iv": 0.0, "open_interest": 21.0, "volume": 0.0, "delta": 0.1516, "gamma": 0.0948, "vega": 0.0021, "theta": -0.0036, "rho": 0.0004, "theo": 0.1163, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.15, "last_trade_time": "2026-10-01T10:11:20", "percent_change": 0.0, "prev_day_close": 2.40000009536743}, {"option": "ENGN261218P00015000", "bid": 10.5, "bid_size": 73.0, "ask": 15.5, "ask_size": 607.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8546, "gamma": 0.1131, "vega": 0.0019, "theta": -0.0043, "rho": -0.01, "theo": 13.1253, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 13.18, "last_trade_time": "2026-06-15T10:57:58", "percent_change": 0.0, "prev_day_close": 13.0500001907349}, {"option": "ENGN270319C00001000", "bid": 0.7, "bid_size": 3.0, "ask": 4.7, "ask_size": 666.0, "iv": 0.0, "open_interest": 237.0, "volume": 0.0, "delta": 0.8798, "gamma": 0.1268, "vega": 0.0024, "theta": -0.001, "rho": 0.0019, "theo": 1.0799, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.2, "last_trade_time": "2026-09-30T14:22:18", "percent_change": 0.0, "prev_day_close": 2.6999998986721}, {"option": "ENGN270319P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.15, "ask_size": 10.0, "iv": 0.9895, "open_interest": 72.0, "volume": 0.0, "delta": -0.108, "gamma": 0.1101, "vega": 0.0025, "theta": -0.0009, "rho": -0.0015, "theo": 0.1323, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-09-21T11:33:08", "percent_change": 0.0, "prev_day_close": 0.0750000029802322}, {"option": "ENGN270319C00002000", "bid": 0.0, "bid_size": 0.0, "ask": 4.1, "ask_size": 526.0, "iv": 0.0, "open_interest": 111.0, "volume": 0.0, "delta": 0.615, "gamma": 0.2604, "vega": 0.0049, "theta": -0.0016, "rho": 0.0026, "theo": 0.5277, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.0, "last_trade_time": "2026-09-30T14:02:03", "percent_change": 0.0, "prev_day_close": 2.04999995231628}, {"option": "ENGN270319P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 4.1, "ask_size": 765.0, "iv": 0.0, "open_interest": 8.0, "volume": 0.0, "delta": -0.3567, "gamma": 0.2522, "vega": 0.0049, "theta": -0.0016, "rho": -0.0052, "theo": 0.5764, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.86, "last_trade_time": "2026-09-21T11:39:14", "percent_change": 0.0, "prev_day_close": 2.04999995231628}, {"option": "ENGN270319C00003000", "bid": 0.1, "bid_size": 9.0, "ask": 4.0, "ask_size": 421.0, "iv": 0.0, "open_interest": 3.0, "volume": 0.0, "delta": 0.4769, "gamma": 0.2174, "vega": 0.0052, "theta": -0.0021, "rho": 0.0022, "theo": 0.4151, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.5, "last_trade_time": "2026-09-30T14:19:10", "percent_change": 0.0, "prev_day_close": 2.05000000074506}, {"option": "ENGN270319P00003000", "bid": 0.1, "bid_size": 762.0, "ask": 4.9, "ask_size": 773.0, "iv": 3.8382, "open_interest": 0.0, "volume": 0.0, "delta": -0.4927, "gamma": 0.2183, "vega": 0.0052, "theta": -0.002, "rho": -0.0086, "theo": 1.4503, "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": 2.60000005364418}], "symbol": "ENGN", "security_type": "stock", "exchange_id": 2, "current_price": 1.91, "price_change": -0.04, "price_change_percent": -2.0619, "bid": 1.89, "ask": 2.0, "bid_size": 100, "ask_size": 100, "open": 2.0, "high": 2.02, "low": 1.93, "close": 1.94, "prev_day_close": 1.94, "volume": 692749, "iv30": 105.92, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 0, "last_trade_time": "2026-10-02T15:59:56", "tick": "up"}, "symbol": "ENGN"}