{"timestamp": "2026-11-10 03:17:55", "data": {"options": [{"option": "NREF261120C00002500", "bid": 10.7, "bid_size": 11.0, "ask": 11.3, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0007, "vega": 0.0001, "theta": -0.0008, "rho": 0.0009, "theo": 11.0426, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 15.3, "last_trade_time": "2026-09-04T12:30:02", "percent_change": 0.0, "prev_day_close": 11.3000001907349}, {"option": "NREF261120P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 3.0, "iv": 4.5593, "open_interest": 0.0, "volume": 0.0, "delta": -0.0019, "gamma": 0.0007, "vega": 0.0001, "theta": -0.002, "rho": 0.0, "theo": 0.0056, "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": "NREF261120C00005000", "bid": 7.9, "bid_size": 84.0, "ask": 9.9, "ask_size": 64.0, "iv": 4.7758, "open_interest": 0.0, "volume": 0.0, "delta": 0.9965, "gamma": 0.0028, "vega": 0.0004, "theta": -0.0027, "rho": 0.0018, "theo": 8.5524, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 11.2, "last_trade_time": "2026-06-12T11:39:48", "percent_change": 0.0, "prev_day_close": 9.0499997138977}, {"option": "NREF261120P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 345.0, "iv": 4.8374, "open_interest": 0.0, "volume": 0.0, "delta": -0.0056, "gamma": 0.0028, "vega": 0.0004, "theta": -0.0037, "rho": 0.0, "theo": 0.0114, "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": "NREF261120C00007500", "bid": 5.3, "bid_size": 84.0, "ask": 7.4, "ask_size": 64.0, "iv": 2.9353, "open_interest": 0.0, "volume": 0.0, "delta": 0.9875, "gamma": 0.0094, "vega": 0.0009, "theta": -0.0052, "rho": 0.0026, "theo": 6.0665, "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": 6.54999995231628}, {"option": "NREF261120P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 3.1294, "open_interest": 0.0, "volume": 0.0, "delta": -0.0146, "gamma": 0.0094, "vega": 0.0009, "theta": -0.006, "rho": -0.0001, "theo": 0.0215, "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": "NREF261120C00010000", "bid": 2.95, "bid_size": 84.0, "ask": 4.9, "ask_size": 64.0, "iv": 1.9167, "open_interest": 0.0, "volume": 0.0, "delta": 0.9602, "gamma": 0.0356, "vega": 0.0021, "theta": -0.0092, "rho": 0.0033, "theo": 3.5933, "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": 4.14999997615814}, {"option": "NREF261120P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 1.9134, "open_interest": 0.0, "volume": 0.0, "delta": -0.042, "gamma": 0.0358, "vega": 0.0021, "theta": -0.0096, "rho": -0.0002, "theo": 0.0445, "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": "NREF261120C00012500", "bid": 0.75, "bid_size": 13.0, "ask": 1.5, "ask_size": 13.0, "iv": 0.4368, "open_interest": 0.0, "volume": 0.0, "delta": 0.8158, "gamma": 0.2076, "vega": 0.0063, "theta": -0.0156, "rho": 0.0035, "theo": 1.1888, "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": 1.47500002384186}, {"option": "NREF261120P00012500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 131.0, "iv": 0.8779, "open_interest": 102.0, "volume": 0.0, "delta": -0.188, "gamma": 0.2099, "vega": 0.0063, "theta": -0.0158, "rho": -0.0008, "theo": 0.1371, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-10-28T09:33:33", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "NREF261120C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.35, "ask_size": 13.0, "iv": 0.6693, "open_interest": 5.0, "volume": 4.0, "delta": 0.1413, "gamma": 0.1838, "vega": 0.0053, "theta": -0.0121, "rho": 0.0006, "theo": 0.0827, "change": 0.02, "open": 0.32, "high": 0.32, "low": 0.32, "tick": "down", "last_trade_price": 0.32, "last_trade_time": "2026-11-09T09:42:34", "percent_change": 6.66666, "prev_day_close": 0.300000011920929}, {"option": "NREF261120P00015000", "bid": 1.1, "bid_size": 47.0, "ask": 1.85, "ask_size": 10.0, "iv": 0.0, "open_interest": 10.0, "volume": 0.0, "delta": -0.8756, "gamma": 0.1932, "vega": 0.0048, "theta": -0.0126, "rho": -0.0023, "theo": 1.5453, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.55, "last_trade_time": "2026-11-02T15:58:41", "percent_change": 0.0, "prev_day_close": 1.49999994039536}, {"option": "NREF261120C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 23.0, "iv": 0.7875, "open_interest": 214.0, "volume": 0.0, "delta": 0.0427, "gamma": 0.0471, "vega": 0.0021, "theta": -0.0073, "rho": 0.0002, "theo": 0.0306, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-10-28T14:38:28", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "NREF261120P00017500", "bid": 3.4, "bid_size": 84.0, "ask": 4.6, "ask_size": 64.0, "iv": 0.7878, "open_interest": 1.0, "volume": 0.0, "delta": -0.9725, "gamma": 0.0529, "vega": 0.0014, "theta": -0.0074, "rho": -0.0013, "theo": 4.0035, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.45, "last_trade_time": "2026-09-15T15:23:51", "percent_change": 0.0, "prev_day_close": 3.79999995231628}, {"option": "NREF261120C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 335.0, "iv": 2.0034, "open_interest": 0.0, "volume": 0.0, "delta": 0.0215, "gamma": 0.0207, "vega": 0.0012, "theta": -0.0052, "rho": 0.0001, "theo": 0.0178, "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": "NREF261120P00020000", "bid": 5.7, "bid_size": 84.0, "ask": 7.2, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9918, "gamma": 0.0203, "vega": 0.0005, "theta": -0.0048, "rho": -0.0007, "theo": 6.4968, "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": 6.55000019073486}, {"option": "NREF261120C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 344.0, "iv": 2.3756, "open_interest": 0.0, "volume": 0.0, "delta": 0.0133, "gamma": 0.0115, "vega": 0.0008, "theta": -0.0039, "rho": 0.0001, "theo": 0.0121, "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": "NREF261120P00022500", "bid": 8.2, "bid_size": 84.0, "ask": 9.7, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9974, "gamma": 0.0073, "vega": 0.0001, "theta": -0.0039, "rho": -0.0002, "theo": 8.9954, "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": 9.05000019073486}, {"option": "NREF261120C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 369.0, "iv": 2.6903, "open_interest": 0.0, "volume": 0.0, "delta": 0.0092, "gamma": 0.0074, "vega": 0.0006, "theta": -0.0032, "rho": 0.0, "theo": 0.0089, "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": "NREF261120P00025000", "bid": 10.3, "bid_size": 84.0, "ask": 12.7, "ask_size": 64.0, "iv": 1.6123, "open_interest": 0.0, "volume": 0.0, "delta": -0.9993, "gamma": 0.0023, "vega": 0.0, "theta": -0.0036, "rho": 0.0, "theo": 11.495, "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": 11.5}, {"option": "NREF261120C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 369.0, "iv": 3.204, "open_interest": 0.0, "volume": 0.0, "delta": 0.0052, "gamma": 0.0038, "vega": 0.0004, "theta": -0.0022, "rho": 0.0, "theo": 0.0057, "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": "NREF261120P00030000", "bid": 15.3, "bid_size": 84.0, "ask": 17.7, "ask_size": 64.0, "iv": 2.0069, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0036, "rho": 0.0, "theo": 16.495, "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": 16.5000004768372}, {"option": "NREF261218C00002500", "bid": 10.1, "bid_size": 49.0, "ask": 12.0, "ask_size": 20.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9982, "gamma": 0.0014, "vega": 0.0006, "theta": -0.0016, "rho": 0.0023, "theo": 11.1005, "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": 11.0499997138977}, {"option": "NREF261218P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 345.0, "iv": 4.2246, "open_interest": 0.0, "volume": 0.0, "delta": -0.0133, "gamma": 0.0028, "vega": 0.0014, "theta": -0.0053, "rho": -0.0003, "theo": 0.0801, "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": "NREF261218C00005000", "bid": 7.8, "bid_size": 30.0, "ask": 9.4, "ask_size": 20.0, "iv": 1.5627, "open_interest": 0.0, "volume": 0.0, "delta": 0.9855, "gamma": 0.0059, "vega": 0.0019, "theta": -0.0039, "rho": 0.0045, "theo": 8.6452, "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": 8.7000002861023}, {"option": "NREF261218P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 345.0, "iv": 2.5257, "open_interest": 0.0, "volume": 0.0, "delta": -0.0313, "gamma": 0.0087, "vega": 0.003, "theta": -0.0072, "rho": -0.0006, "theo": 0.1232, "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": "NREF261218C00007500", "bid": 5.3, "bid_size": 84.0, "ask": 6.9, "ask_size": 57.0, "iv": 0.8513, "open_interest": 0.0, "volume": 0.0, "delta": 0.9637, "gamma": 0.0165, "vega": 0.0034, "theta": -0.0056, "rho": 0.0066, "theo": 6.1907, "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": 6.20000004768372}, {"option": "NREF261218P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 1.6115, "open_interest": 0.0, "volume": 0.0, "delta": -0.0623, "gamma": 0.0224, "vega": 0.0052, "theta": -0.0085, "rho": -0.0011, "theo": 0.1729, "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": "NREF261218C00010000", "bid": 3.0, "bid_size": 84.0, "ask": 4.4, "ask_size": 64.0, "iv": 0.7414, "open_interest": 0.0, "volume": 0.0, "delta": 0.9183, "gamma": 0.0464, "vega": 0.0067, "theta": -0.0069, "rho": 0.0083, "theo": 3.7486, "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": 3.95000004768372}, {"option": "NREF261218P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 0.9567, "open_interest": 0.0, "volume": 0.0, "delta": -0.1276, "gamma": 0.0595, "vega": 0.0089, "theta": -0.0093, "rho": -0.002, "theo": 0.2491, "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": "NREF261218C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 3.2, "ask_size": 61.0, "iv": 0.6008, "open_interest": 0.0, "volume": 0.0, "delta": 0.7629, "gamma": 0.1716, "vega": 0.0131, "theta": -0.0078, "rho": 0.0085, "theo": 1.3888, "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": 1.54999995231628}, {"option": "NREF261218P00012500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 62.0, "iv": 0.3846, "open_interest": 0.0, "volume": 0.0, "delta": -0.3436, "gamma": 0.1944, "vega": 0.0157, "theta": -0.009, "rho": -0.0052, "theo": 0.4695, "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": 0.449999988079071}, {"option": "NREF261218C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 40.0, "iv": 0.3525, "open_interest": 0.0, "volume": 0.0, "delta": 0.2841, "gamma": 0.17, "vega": 0.014, "theta": -0.0093, "rho": 0.0034, "theo": 0.3224, "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": "NREF261218P00015000", "bid": 0.05, "bid_size": 1144.0, "ask": 2.5, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7791, "gamma": 0.1452, "vega": 0.0128, "theta": -0.0078, "rho": -0.0127, "theo": 2.1141, "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": 1.90000003576279}, {"option": "NREF261218C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 0.8614, "open_interest": 0.0, "volume": 0.0, "delta": 0.1446, "gamma": 0.079, "vega": 0.0096, "theta": -0.0087, "rho": 0.0018, "theo": 0.19, "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": "NREF261218P00017500", "bid": 3.8, "bid_size": 84.0, "ask": 5.0, "ask_size": 64.0, "iv": 0.5101, "open_interest": 0.0, "volume": 0.0, "delta": -0.8792, "gamma": 0.0698, "vega": 0.0088, "theta": -0.0072, "rho": -0.0163, "theo": 4.5202, "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": 3.72500002384186}, {"option": "NREF261218C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 370.0, "iv": 1.1112, "open_interest": 0.0, "volume": 0.0, "delta": 0.0979, "gamma": 0.0478, "vega": 0.0072, "theta": -0.0081, "rho": 0.0012, "theo": 0.1448, "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": "NREF261218P00020000", "bid": 6.1, "bid_size": 84.0, "ask": 7.6, "ask_size": 64.0, "iv": 0.4879, "open_interest": 0.0, "volume": 0.0, "delta": -0.9154, "gamma": 0.0438, "vega": 0.0068, "theta": -0.0067, "rho": -0.0192, "theo": 6.9776, "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": 6.94999980926514}, {"option": "NREF261218C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 346.0, "iv": 1.312, "open_interest": 0.0, "volume": 0.0, "delta": 0.0751, "gamma": 0.0336, "vega": 0.006, "theta": -0.0076, "rho": 0.0009, "theo": 0.1212, "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": "NREF261218P00022500", "bid": 8.6, "bid_size": 84.0, "ask": 10.1, "ask_size": 64.0, "iv": 0.7183, "open_interest": 0.0, "volume": 0.0, "delta": -0.9342, "gamma": 0.0314, "vega": 0.0057, "theta": -0.0062, "rho": -0.0219, "theo": 9.4484, "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": 9.44999980926514}, {"option": "NREF261218C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 346.0, "iv": 1.4812, "open_interest": 0.0, "volume": 0.0, "delta": 0.0616, "gamma": 0.0256, "vega": 0.0051, "theta": -0.0072, "rho": 0.0007, "theo": 0.1062, "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": 0.375}, {"option": "NREF261218P00025000", "bid": 10.7, "bid_size": 84.0, "ask": 13.0, "ask_size": 64.0, "iv": 0.899, "open_interest": 0.0, "volume": 0.0, "delta": -0.9458, "gamma": 0.0243, "vega": 0.0049, "theta": -0.0057, "rho": -0.0245, "theo": 11.9252, "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": 11.9000000953674}, {"option": "NREF261218C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 346.0, "iv": 1.7562, "open_interest": 0.0, "volume": 0.0, "delta": 0.0463, "gamma": 0.0173, "vega": 0.0041, "theta": -0.0067, "rho": 0.0006, "theo": 0.0877, "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": "NREF261218P00030000", "bid": 15.6, "bid_size": 84.0, "ask": 18.0, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9596, "gamma": 0.0167, "vega": 0.004, "theta": -0.0048, "rho": -0.0295, "theo": 16.887, "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": "NREF270219C00002500", "bid": 10.1, "bid_size": 49.0, "ask": 12.0, "ask_size": 15.0, "iv": 2.2535, "open_interest": 0.0, "volume": 0.0, "delta": 0.9979, "gamma": 0.0008, "vega": 0.0004, "theta": 0.0, "rho": 0.0024, "theo": 11.0264, "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": 10.8999996185303}, {"option": "NREF270219P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 369.0, "iv": 2.6215, "open_interest": 0.0, "volume": 0.0, "delta": -0.0166, "gamma": 0.0031, "vega": 0.0028, "theta": -0.0027, "rho": -0.0009, "theo": 0.1168, "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": "NREF270219C00005000", "bid": 7.8, "bid_size": 49.0, "ask": 9.4, "ask_size": 15.0, "iv": 1.4392, "open_interest": 0.0, "volume": 0.0, "delta": 0.9871, "gamma": 0.0055, "vega": 0.0018, "theta": -0.0007, "rho": 0.005, "theo": 8.5606, "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": 9.09999990463257}, {"option": "NREF270219P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 369.0, "iv": 1.5687, "open_interest": 0.0, "volume": 0.0, "delta": -0.0392, "gamma": 0.0096, "vega": 0.0058, "theta": -0.0036, "rho": -0.0018, "theo": 0.1815, "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": "NREF270219C00007500", "bid": 5.3, "bid_size": 49.0, "ask": 7.0, "ask_size": 15.0, "iv": 0.9662, "open_interest": 0.0, "volume": 0.0, "delta": 0.9634, "gamma": 0.0183, "vega": 0.0054, "theta": -0.0024, "rho": 0.0084, "theo": 6.1087, "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": 6.25}, {"option": "NREF270219P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 1.0025, "open_interest": 0.0, "volume": 0.0, "delta": -0.0769, "gamma": 0.0235, "vega": 0.01, "theta": -0.0043, "rho": -0.0033, "theo": 0.257, "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": "NREF270219C00010000", "bid": 1.6, "bid_size": 84.0, "ask": 4.5, "ask_size": 52.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9062, "gamma": 0.0553, "vega": 0.0102, "theta": -0.004, "rho": 0.0112, "theo": 3.6881, "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": 3.85000014305115}, {"option": "NREF270219P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 69.0, "iv": 0.5972, "open_interest": 5.0, "volume": 0.0, "delta": -0.1523, "gamma": 0.0576, "vega": 0.0162, "theta": -0.0047, "rho": -0.0061, "theo": 0.3729, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-08-24T12:15:18", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "NREF270219C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 2.3, "ask_size": 56.0, "iv": 0.221, "open_interest": 0.0, "volume": 0.0, "delta": 0.7109, "gamma": 0.1766, "vega": 0.0225, "theta": -0.0052, "rho": 0.0142, "theo": 1.4129, "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": 1.79999995231628}, {"option": "NREF270219P00012500", "bid": 0.4, "bid_size": 49.0, "ask": 0.75, "ask_size": 1.0, "iv": 0.3227, "open_interest": 0.0, "volume": 0.0, "delta": -0.361, "gamma": 0.1539, "vega": 0.0257, "theta": -0.0046, "rho": -0.0126, "theo": 0.6719, "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": 0.650000000372529}, {"option": "NREF270219C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.45, "ask_size": 1.0, "iv": 0.2831, "open_interest": 0.0, "volume": 0.0, "delta": 0.2726, "gamma": 0.146, "vega": 0.0228, "theta": -0.0039, "rho": 0.0088, "theo": 0.3509, "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": 0.224999994039536}, {"option": "NREF270219P00015000", "bid": 1.9, "bid_size": 8.0, "ask": 2.3, "ask_size": 11.0, "iv": 0.2964, "open_interest": 22.0, "volume": 0.0, "delta": -0.7559, "gamma": 0.1464, "vega": 0.0214, "theta": -0.0036, "rho": -0.021, "theo": 2.1904, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.3, "last_trade_time": "2026-11-05T12:19:43", "percent_change": 0.0, "prev_day_close": 2.22500002384186}, {"option": "NREF270219C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 93.0, "iv": 0.4136, "open_interest": 19.0, "volume": 4.0, "delta": 0.1469, "gamma": 0.0733, "vega": 0.0159, "theta": -0.0035, "rho": 0.0048, "theo": 0.2091, "change": 0.15, "open": 0.3, "high": 0.3, "low": 0.3, "tick": "up", "last_trade_price": 0.3, "last_trade_time": "2026-11-09T09:42:34", "percent_change": 100.0, "prev_day_close": 0.150000005960464}, {"option": "NREF270219P00017500", "bid": 3.8, "bid_size": 76.0, "ask": 5.0, "ask_size": 44.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8762, "gamma": 0.0741, "vega": 0.0139, "theta": -0.0028, "rho": -0.0232, "theo": 4.5553, "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": 4.34999990463257}, {"option": "NREF270219C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 270.0, "iv": 0.6961, "open_interest": 16.0, "volume": 0.0, "delta": 0.1022, "gamma": 0.0466, "vega": 0.0123, "theta": -0.0032, "rho": 0.0033, "theo": 0.1603, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-08-24T12:11:39", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "NREF270219P00020000", "bid": 6.1, "bid_size": 80.0, "ask": 7.6, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.918, "gamma": 0.0458, "vega": 0.0102, "theta": -0.0022, "rho": -0.0252, "theo": 7.0036, "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": 6.75}, {"option": "NREF270219C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 740.0, "iv": 0.8172, "open_interest": 0.0, "volume": 0.0, "delta": 0.0792, "gamma": 0.0334, "vega": 0.0102, "theta": -0.0031, "rho": 0.0025, "theo": 0.1338, "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": "NREF270219P00022500", "bid": 8.7, "bid_size": 76.0, "ask": 10.1, "ask_size": 64.0, "iv": 0.4906, "open_interest": 0.0, "volume": 0.0, "delta": -0.939, "gamma": 0.0321, "vega": 0.0081, "theta": -0.0015, "rho": -0.0272, "theo": 9.4711, "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": 9.35000038146973}, {"option": "NREF270219C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 740.0, "iv": 0.9199, "open_interest": 0.0, "volume": 0.0, "delta": 0.0651, "gamma": 0.0259, "vega": 0.0087, "theta": -0.0029, "rho": 0.0021, "theo": 0.1166, "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": "NREF270219P00025000", "bid": 10.7, "bid_size": 76.0, "ask": 13.0, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9515, "gamma": 0.0243, "vega": 0.0067, "theta": -0.001, "rho": -0.0291, "theo": 11.9463, "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": 11.9000000953674}, {"option": "NREF270219C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 740.0, "iv": 1.0878, "open_interest": 0.0, "volume": 0.0, "delta": 0.0487, "gamma": 0.0176, "vega": 0.0069, "theta": -0.0027, "rho": 0.0015, "theo": 0.0948, "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": "NREF270219P00030000", "bid": 15.6, "bid_size": 76.0, "ask": 18.0, "ask_size": 64.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9659, "gamma": 0.0159, "vega": 0.0051, "theta": 0.0, "rho": -0.0336, "theo": 16.9073, "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": "NREF270521C00002500", "bid": 10.1, "bid_size": 49.0, "ask": 12.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0002, "vega": 0.0001, "theta": 0.0, "rho": 0.0024, "theo": 11.066, "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": 11.25}, {"option": "NREF270521P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 366.0, "iv": 1.908, "open_interest": 0.0, "volume": 0.0, "delta": -0.0232, "gamma": 0.0038, "vega": 0.005, "theta": -0.0021, "rho": -0.0025, "theo": 0.2041, "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": "NREF270521C00005000", "bid": 7.8, "bid_size": 30.0, "ask": 9.3, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9941, "gamma": 0.0048, "vega": 0.0016, "theta": -0.0001, "rho": 0.0054, "theo": 8.5926, "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": 9.40000009536743}, {"option": "NREF270521P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 366.0, "iv": 1.1391, "open_interest": 0.0, "volume": 0.0, "delta": -0.0541, "gamma": 0.0112, "vega": 0.0101, "theta": -0.0028, "rho": -0.0049, "theo": 0.3113, "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": "NREF270521C00007500", "bid": 5.3, "bid_size": 30.0, "ask": 6.8, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9616, "gamma": 0.0212, "vega": 0.0072, "theta": -0.0019, "rho": 0.011, "theo": 6.1583, "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": "NREF270521P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 107.0, "iv": 0.7252, "open_interest": 0.0, "volume": 0.0, "delta": -0.1028, "gamma": 0.0261, "vega": 0.0164, "theta": -0.0032, "rho": -0.0084, "theo": 0.4298, "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": "NREF270521C00010000", "bid": 2.8, "bid_size": 84.0, "ask": 4.3, "ask_size": 52.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.8827, "gamma": 0.0608, "vega": 0.0182, "theta": -0.0032, "rho": 0.0201, "theo": 3.789, "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": 4.45000004768372}, {"option": "NREF270521P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 66.0, "iv": 0.4714, "open_interest": 0.0, "volume": 0.0, "delta": -0.1928, "gamma": 0.0583, "vega": 0.0251, "theta": -0.0034, "rho": -0.0142, "theo": 0.6058, "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": 1.39999997615814}, {"option": "NREF270521C00012500", "bid": 0.7, "bid_size": 104.0, "ask": 2.3, "ask_size": 51.0, "iv": 0.3023, "open_interest": 0.0, "volume": 0.0, "delta": 0.6739, "gamma": 0.1349, "vega": 0.0326, "theta": -0.0034, "rho": 0.0271, "theo": 1.6548, "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": 2.30000004172325}, {"option": "NREF270521P00012500", "bid": 0.85, "bid_size": 61.0, "ask": 1.15, "ask_size": 1.0, "iv": 0.3421, "open_interest": 0.0, "volume": 0.0, "delta": -0.4005, "gamma": 0.126, "vega": 0.0354, "theta": -0.0032, "rho": -0.0265, "theo": 1.031, "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": 1.79999995231628}, {"option": "NREF270521C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 1.1, "ask_size": 112.0, "iv": 0.3159, "open_interest": 1.0, "volume": 0.0, "delta": 0.3488, "gamma": 0.1264, "vega": 0.0339, "theta": -0.003, "rho": 0.0185, "theo": 0.6071, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-11-05T10:13:40", "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "NREF270521P00015000", "bid": 0.3, "bid_size": 460.0, "ask": 4.9, "ask_size": 65.0, "iv": 0.3501, "open_interest": 0.0, "volume": 0.0, "delta": -0.7071, "gamma": 0.1229, "vega": 0.0319, "theta": -0.0026, "rho": -0.0456, "theo": 2.5451, "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": 2.72499996423721}, {"option": "NREF270521C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 112.0, "iv": 0.4052, "open_interest": 3.0, "volume": 0.0, "delta": 0.2142, "gamma": 0.0786, "vega": 0.0269, "theta": -0.0028, "rho": 0.012, "theo": 0.3887, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.25, "last_trade_time": "2026-10-14T12:22:36", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "NREF270521P00017500", "bid": 4.1, "bid_size": 54.0, "ask": 5.5, "ask_size": 64.0, "iv": 0.4009, "open_interest": 0.0, "volume": 0.0, "delta": -0.8285, "gamma": 0.0758, "vega": 0.0242, "theta": -0.0022, "rho": -0.0583, "theo": 4.8226, "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": 4.85000002384186}, {"option": "NREF270521C00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 111.0, "iv": 0.5132, "open_interest": 0.0, "volume": 0.0, "delta": 0.1589, "gamma": 0.0549, "vega": 0.0223, "theta": -0.0027, "rho": 0.0091, "theo": 0.3094, "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": "NREF270521P00020000", "bid": 6.5, "bid_size": 54.0, "ask": 7.9, "ask_size": 64.0, "iv": 0.4753, "open_interest": 0.0, "volume": 0.0, "delta": -0.878, "gamma": 0.0522, "vega": 0.0197, "theta": -0.0018, "rho": -0.0685, "theo": 7.2177, "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": 7.75}, {"option": "NREF270521C00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 271.0, "iv": 0.6013, "open_interest": 0.0, "volume": 0.0, "delta": 0.1288, "gamma": 0.042, "vega": 0.0193, "theta": -0.0027, "rho": 0.0073, "theo": 0.2658, "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": "NREF270521P00022500", "bid": 8.9, "bid_size": 76.0, "ask": 10.3, "ask_size": 64.0, "iv": 0.5212, "open_interest": 0.0, "volume": 0.0, "delta": -0.9048, "gamma": 0.0395, "vega": 0.0167, "theta": -0.0014, "rho": -0.0777, "theo": 9.6423, "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": 9.5499997138977}, {"option": "NREF270521C00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1050.0, "iv": 0.6759, "open_interest": 0.0, "volume": 0.0, "delta": 0.1096, "gamma": 0.034, "vega": 0.0172, "theta": -0.0026, "rho": 0.0061, "theo": 0.2372, "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": "NREF270521P00025000", "bid": 10.8, "bid_size": 76.0, "ask": 13.2, "ask_size": 64.0, "iv": 0.5405, "open_interest": 0.0, "volume": 0.0, "delta": -0.9217, "gamma": 0.0317, "vega": 0.015, "theta": -0.001, "rho": -0.0869, "theo": 12.0792, "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": "NREF270521C00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1051.0, "iv": 0.798, "open_interest": 0.0, "volume": 0.0, "delta": 0.0862, "gamma": 0.0247, "vega": 0.0144, "theta": -0.0025, "rho": 0.0047, "theo": 0.2003, "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": "NREF270521P00030000", "bid": 15.7, "bid_size": 76.0, "ask": 18.1, "ask_size": 64.0, "iv": 0.6253, "open_interest": 0.0, "volume": 0.0, "delta": -0.9421, "gamma": 0.0227, "vega": 0.0122, "theta": -0.0003, "rho": -0.1043, "theo": 16.9698, "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": 17.0000004768372}], "symbol": "NREF", "security_type": "stock", "exchange_id": 3, "current_price": 13.52, "price_change": 0.12, "price_change_percent": 0.8955, "bid": 13.27, "ask": 15.73, "bid_size": 500, "ask_size": 100, "open": 13.61, "high": 13.61, "low": 13.3139, "close": 13.52, "prev_day_close": 13.4, "volume": 65208, "iv30": 39.126, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 10415197781, "last_trade_time": "2026-11-09T15:59:59", "tick": "down"}, "symbol": "NREF"}