{"timestamp": "2026-11-10 02:34:48", "data": {"options": [{"option": "GFI261120C00022500", "bid": 17.3, "bid_size": 130.0, "ask": 19.8, "ask_size": 20.0, "iv": 0.0, "open_interest": 3.0, "volume": 3.0, "delta": 0.9969, "gamma": 0.0011, "vega": 0.0006, "theta": -0.0018, "rho": 0.0024, "theo": 18.5705, "change": 2.8, "open": 18.8, "high": 18.8, "low": 18.8, "tick": "up", "last_trade_price": 18.8, "last_trade_time": "2026-11-09T15:45:49", "percent_change": 17.5, "prev_day_close": 16.0000004768372}, {"option": "GFI261120P00022500", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 164.0, "iv": 2.6054, "open_interest": 0.0, "volume": 0.0, "delta": -0.0032, "gamma": 0.001, "vega": 0.0007, "theta": -0.0035, "rho": 0.0, "theo": 0.0094, "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": "GFI261120C00025000", "bid": 14.8, "bid_size": 157.0, "ask": 17.2, "ask_size": 19.0, "iv": 0.0, "open_interest": 10.0, "volume": 0.0, "delta": 0.9942, "gamma": 0.002, "vega": 0.0011, "theta": -0.0039, "rho": 0.0034, "theo": 16.0773, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 10.25, "last_trade_time": "2026-11-03T12:40:03", "percent_change": 0.0, "prev_day_close": 13.5}, {"option": "GFI261120P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 332.0, "iv": 1.9978, "open_interest": 3.0, "volume": 0.0, "delta": -0.0057, "gamma": 0.0019, "vega": 0.0012, "theta": -0.0053, "rho": -0.0001, "theo": 0.0156, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.23, "last_trade_time": "2026-09-28T13:20:20", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "GFI261120C00029000", "bid": 10.8, "bid_size": 155.0, "ask": 14.1, "ask_size": 20.0, "iv": 1.5114, "open_interest": 0.0, "volume": 0.0, "delta": 0.9843, "gamma": 0.0057, "vega": 0.0027, "theta": -0.0096, "rho": 0.0057, "theo": 12.1014, "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": 9.5}, {"option": "GFI261120P00029000", "bid": 0.0, "bid_size": 0.0, "ask": 1.1, "ask_size": 404.0, "iv": 1.6647, "open_interest": 0.0, "volume": 0.0, "delta": -0.0152, "gamma": 0.0056, "vega": 0.0027, "theta": -0.0107, "rho": -0.0002, "theo": 0.0377, "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": "GFI261120C00030000", "bid": 10.6, "bid_size": 339.0, "ask": 11.8, "ask_size": 264.0, "iv": 1.0949, "open_interest": 286.0, "volume": 2.0, "delta": 0.9797, "gamma": 0.0074, "vega": 0.0034, "theta": -0.0118, "rho": 0.0065, "theo": 11.1123, "change": 2.66, "open": 11.71, "high": 11.71, "low": 11.16, "tick": "down", "last_trade_price": 11.16, "last_trade_time": "2026-11-09T15:09:13", "percent_change": 31.2941, "prev_day_close": 8.5}, {"option": "GFI261120P00030000", "bid": 0.0, "bid_size": 0.0, "ask": 0.25, "ask_size": 1.0, "iv": 1.0775, "open_interest": 813.0, "volume": 0.0, "delta": -0.0197, "gamma": 0.0073, "vega": 0.0034, "theta": -0.0128, "rho": -0.0003, "theo": 0.0478, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.13, "last_trade_time": "2026-11-05T14:10:34", "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "GFI261120C00031000", "bid": 8.5, "bid_size": 160.0, "ask": 10.9, "ask_size": 17.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9736, "gamma": 0.0098, "vega": 0.0043, "theta": -0.0144, "rho": 0.0074, "theo": 10.1267, "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": 7.49999976158142}, {"option": "GFI261120P00031000", "bid": 0.0, "bid_size": 0.0, "ask": 0.9, "ask_size": 288.0, "iv": 1.3367, "open_interest": 0.0, "volume": 0.0, "delta": -0.0257, "gamma": 0.0097, "vega": 0.0043, "theta": -0.0154, "rho": -0.0004, "theo": 0.0613, "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": "GFI261120C00032000", "bid": 7.4, "bid_size": 121.0, "ask": 10.1, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9653, "gamma": 0.0129, "vega": 0.0054, "theta": -0.0176, "rho": 0.0082, "theo": 9.1457, "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": "GFI261120P00032000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 165.0, "iv": 1.317, "open_interest": 0.0, "volume": 0.0, "delta": -0.0338, "gamma": 0.0128, "vega": 0.0054, "theta": -0.0185, "rho": -0.0005, "theo": 0.0793, "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": "GFI261120C00033000", "bid": 7.1, "bid_size": 51.0, "ask": 9.1, "ask_size": 11.0, "iv": 0.6271, "open_interest": 0.0, "volume": 0.0, "delta": 0.9542, "gamma": 0.0172, "vega": 0.0068, "theta": -0.0214, "rho": 0.009, "theo": 8.1713, "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": 5.95000004768372}, {"option": "GFI261120P00033000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 84.0, "iv": 1.1984, "open_interest": 0.0, "volume": 0.0, "delta": -0.0448, "gamma": 0.0171, "vega": 0.0068, "theta": -0.0223, "rho": -0.0006, "theo": 0.1037, "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": "GFI261120C00034000", "bid": 5.5, "bid_size": 155.0, "ask": 8.1, "ask_size": 45.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9391, "gamma": 0.0229, "vega": 0.0085, "theta": -0.026, "rho": 0.0097, "theo": 7.2061, "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": "GFI261120P00034000", "bid": 0.0, "bid_size": 0.0, "ask": 0.9, "ask_size": 559.0, "iv": 0.9975, "open_interest": 110.0, "volume": 0.0, "delta": -0.0599, "gamma": 0.0228, "vega": 0.0085, "theta": -0.0268, "rho": -0.0009, "theo": 0.1373, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.6, "last_trade_time": "2026-11-05T10:52:02", "percent_change": 0.0, "prev_day_close": 0.174999997019768}, {"option": "GFI261120C00035000", "bid": 5.6, "bid_size": 388.0, "ask": 6.7, "ask_size": 245.0, "iv": 0.5655, "open_interest": 1336.0, "volume": 2.0, "delta": 0.9182, "gamma": 0.0305, "vega": 0.0107, "theta": -0.0315, "rho": 0.0102, "theo": 6.2544, "change": 2.01, "open": 6.0, "high": 6.46, "low": 6.0, "tick": "up", "last_trade_price": 6.46, "last_trade_time": "2026-11-09T14:45:33", "percent_change": 45.1685, "prev_day_close": 4.45000004768372}, {"option": "GFI261120P00035000", "bid": 0.15, "bid_size": 1.0, "ask": 0.25, "ask_size": 10.0, "iv": 0.6986, "open_interest": 1166.0, "volume": 8.0, "delta": -0.0807, "gamma": 0.0305, "vega": 0.0107, "theta": -0.0321, "rho": -0.0012, "theo": 0.1843, "change": -0.23, "open": 0.2, "high": 0.22, "low": 0.12, "tick": "down", "last_trade_price": 0.12, "last_trade_time": "2026-11-09T13:06:29", "percent_change": -65.7143, "prev_day_close": 0.350000008940697}, {"option": "GFI261120C00036000", "bid": 4.4, "bid_size": 28.0, "ask": 5.9, "ask_size": 17.0, "iv": 0.4819, "open_interest": 0.0, "volume": 0.0, "delta": 0.8894, "gamma": 0.0406, "vega": 0.0134, "theta": -0.0378, "rho": 0.0106, "theo": 5.3224, "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": 2.94999992847443}, {"option": "GFI261120P00036000", "bid": 0.0, "bid_size": 0.0, "ask": 1.55, "ask_size": 348.0, "iv": 0.9572, "open_interest": 0.0, "volume": 0.0, "delta": -0.1095, "gamma": 0.0406, "vega": 0.0134, "theta": -0.0384, "rho": -0.0016, "theo": 0.2509, "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": "GFI261120C00037000", "bid": 3.6, "bid_size": 50.0, "ask": 5.0, "ask_size": 86.0, "iv": 0.5288, "open_interest": 0.0, "volume": 0.0, "delta": 0.8497, "gamma": 0.0534, "vega": 0.0166, "theta": -0.0449, "rho": 0.0106, "theo": 4.4197, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.1, "last_trade_time": "2026-11-06T09:46:00", "percent_change": 0.0, "prev_day_close": 2.85000002384186}, {"option": "GFI261120P00037000", "bid": 0.0, "bid_size": 0.0, "ask": 0.8, "ask_size": 144.0, "iv": 0.6383, "open_interest": 21.0, "volume": 0.0, "delta": -0.1493, "gamma": 0.0534, "vega": 0.0166, "theta": -0.0454, "rho": -0.0021, "theo": 0.3468, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.3, "last_trade_time": "2026-11-05T14:56:55", "percent_change": 0.0, "prev_day_close": 0.675000011920929}, {"option": "GFI261120C00038000", "bid": 2.3, "bid_size": 246.0, "ask": 5.0, "ask_size": 93.0, "iv": 0.6163, "open_interest": 10.0, "volume": 0.0, "delta": 0.7953, "gamma": 0.0689, "vega": 0.0202, "theta": -0.0523, "rho": 0.0103, "theo": 3.5604, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.0, "last_trade_time": "2026-11-06T11:08:40", "percent_change": 0.0, "prev_day_close": 2.20000004768372}, {"option": "GFI261120P00038000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 21.0, "iv": 0.5156, "open_interest": 58.0, "volume": 1.0, "delta": -0.2036, "gamma": 0.069, "vega": 0.0202, "theta": -0.0527, "rho": -0.0028, "theo": 0.4861, "change": -0.555, "open": 0.42, "high": 0.42, "low": 0.42, "tick": "down", "last_trade_price": 0.42, "last_trade_time": "2026-11-09T10:29:38", "percent_change": -56.9231, "prev_day_close": 0.975000023841858}, {"option": "GFI261120C00039000", "bid": 1.75, "bid_size": 531.0, "ask": 4.2, "ask_size": 393.0, "iv": 0.6296, "open_interest": 272.0, "volume": 0.0, "delta": 0.7231, "gamma": 0.0858, "vega": 0.0239, "theta": -0.0593, "rho": 0.0096, "theo": 2.7651, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.55, "last_trade_time": "2026-11-06T13:32:45", "percent_change": 0.0, "prev_day_close": 1.57499998807907}, {"option": "GFI261120P00039000", "bid": 0.5, "bid_size": 1.0, "ask": 2.65, "ask_size": 204.0, "iv": 0.8939, "open_interest": 24.0, "volume": 0.0, "delta": -0.276, "gamma": 0.0859, "vega": 0.0239, "theta": -0.0596, "rho": -0.0037, "theo": 0.6894, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.5, "last_trade_time": "2026-11-06T14:52:10", "percent_change": 0.0, "prev_day_close": 1.39999997615814}, {"option": "GFI261120C00040000", "bid": 1.6, "bid_size": 43.0, "ask": 2.55, "ask_size": 223.0, "iv": 0.5253, "open_interest": 4331.0, "volume": 355.0, "delta": 0.6318, "gamma": 0.101, "vega": 0.0269, "theta": -0.0644, "rho": 0.0085, "theo": 2.0596, "change": 1.17, "open": 2.0, "high": 2.32, "low": 1.75, "tick": "up", "last_trade_price": 2.32, "last_trade_time": "2026-11-09T15:57:30", "percent_change": 101.739, "prev_day_close": 1.14999997615814}, {"option": "GFI261120P00040000", "bid": 0.5, "bid_size": 697.0, "ask": 1.8, "ask_size": 619.0, "iv": 0.5816, "open_interest": 259.0, "volume": 11.0, "delta": -0.3674, "gamma": 0.1012, "vega": 0.0269, "theta": -0.0646, "rho": -0.0049, "theo": 0.9827, "change": -1.05, "open": 1.5, "high": 1.5, "low": 0.95, "tick": "down", "last_trade_price": 0.95, "last_trade_time": "2026-11-09T14:36:30", "percent_change": -52.5, "prev_day_close": 1.99999994039536}, {"option": "GFI261120C00041000", "bid": 0.8, "bid_size": 716.0, "ask": 2.55, "ask_size": 546.0, "iv": 0.5756, "open_interest": 161.0, "volume": 160.0, "delta": 0.5258, "gamma": 0.1102, "vega": 0.0284, "theta": -0.0662, "rho": 0.0072, "theo": 1.4706, "change": 0.655, "open": 0.9, "high": 1.6, "low": 0.9, "tick": "down", "last_trade_price": 1.43, "last_trade_time": "2026-11-09T14:10:31", "percent_change": 84.5161, "prev_day_close": 0.774999976158142}, {"option": "GFI261120P00041000", "bid": 0.6, "bid_size": 23.0, "ask": 1.95, "ask_size": 31.0, "iv": 0.4622, "open_interest": 0.0, "volume": 0.0, "delta": -0.4736, "gamma": 0.1104, "vega": 0.0284, "theta": -0.0664, "rho": -0.0061, "theo": 1.3928, "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": 2.57500004768372}, {"option": "GFI261120C00042000", "bid": 0.8, "bid_size": 13.0, "ask": 1.2, "ask_size": 30.0, "iv": 0.4912, "open_interest": 8.0, "volume": 11.0, "delta": 0.4158, "gamma": 0.1095, "vega": 0.0278, "theta": -0.0639, "rho": 0.0057, "theo": 1.0142, "change": 0.68, "open": 2.0, "high": 2.0, "low": 0.87, "tick": "up", "last_trade_price": 1.18, "last_trade_time": "2026-11-09T15:10:23", "percent_change": 136.0, "prev_day_close": 0.500000014901161}, {"option": "GFI261120P00042000", "bid": 1.65, "bid_size": 9.0, "ask": 2.75, "ask_size": 164.0, "iv": 0.591, "open_interest": 0.0, "volume": 1.0, "delta": -0.5839, "gamma": 0.1098, "vega": 0.0278, "theta": -0.0639, "rho": -0.0074, "theo": 1.9355, "change": -1.55, "open": 1.8, "high": 1.8, "low": 1.8, "tick": "down", "last_trade_price": 1.8, "last_trade_time": "2026-11-09T15:07:39", "percent_change": -46.2687, "prev_day_close": 3.35000002384186}, {"option": "GFI261120C00043000", "bid": 0.15, "bid_size": 348.0, "ask": 0.8, "ask_size": 25.0, "iv": 0.4116, "open_interest": 1.0, "volume": 7.0, "delta": 0.3148, "gamma": 0.0995, "vega": 0.0254, "theta": -0.058, "rho": 0.0043, "theo": 0.6857, "change": 0.295, "open": 0.73, "high": 0.75, "low": 0.62, "tick": "down", "last_trade_price": 0.62, "last_trade_time": "2026-11-09T12:20:34", "percent_change": 90.7692, "prev_day_close": 0.325000002980232}, {"option": "GFI261120P00043000", "bid": 2.35, "bid_size": 15.0, "ask": 2.8, "ask_size": 40.0, "iv": 0.4849, "open_interest": 0.0, "volume": 0.0, "delta": -0.6851, "gamma": 0.0998, "vega": 0.0253, "theta": -0.0579, "rho": -0.0083, "theo": 2.6065, "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": 4.75}, {"option": "GFI261120C00044000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 24.0, "iv": 0.4641, "open_interest": 0.0, "volume": 22.0, "delta": 0.2318, "gamma": 0.0841, "vega": 0.0218, "theta": -0.0501, "rho": 0.0032, "theo": 0.4624, "change": 0.3, "open": 0.55, "high": 0.55, "low": 0.55, "tick": "no_change", "last_trade_price": 0.55, "last_trade_time": "2026-11-09T15:25:43", "percent_change": 120.0, "prev_day_close": 0.249999994412065}, {"option": "GFI261120P00044000", "bid": 2.05, "bid_size": 224.0, "ask": 3.8, "ask_size": 36.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7684, "gamma": 0.0844, "vega": 0.0217, "theta": -0.0499, "rho": -0.0089, "theo": 3.3828, "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": 5.54999995231628}, {"option": "GFI261120C00045000", "bid": 0.1, "bid_size": 11.0, "ask": 0.35, "ask_size": 8.0, "iv": 0.4653, "open_interest": 1571.0, "volume": 18.0, "delta": 0.1686, "gamma": 0.0676, "vega": 0.018, "theta": -0.0419, "rho": 0.0023, "theo": 0.3151, "change": 0.15, "open": 0.2, "high": 0.3, "low": 0.2, "tick": "up", "last_trade_price": 0.3, "last_trade_time": "2026-11-09T14:38:37", "percent_change": 100.0, "prev_day_close": 0.150000002235174}, {"option": "GFI261120P00045000", "bid": 3.0, "bid_size": 193.0, "ask": 5.8, "ask_size": 150.0, "iv": 0.6049, "open_interest": 11.0, "volume": 0.0, "delta": -0.8318, "gamma": 0.0679, "vega": 0.0179, "theta": -0.0416, "rho": -0.0092, "theo": 4.2353, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.55, "last_trade_time": "2026-11-02T11:00:17", "percent_change": 0.0, "prev_day_close": 6.54999995231628}, {"option": "GFI261120C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 1.0, "iv": 0.5932, "open_interest": 294.0, "volume": 0.0, "delta": 0.0378, "gamma": 0.0186, "vega": 0.0059, "theta": -0.0151, "rho": 0.0005, "theo": 0.0617, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-11-05T15:06:36", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "GFI261120P00050000", "bid": 7.8, "bid_size": 67.0, "ask": 10.5, "ask_size": 51.0, "iv": 0.8088, "open_interest": 0.0, "volume": 0.0, "delta": -0.9638, "gamma": 0.0191, "vega": 0.0056, "theta": -0.0146, "rho": -0.0074, "theo": 8.9825, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 13.78, "last_trade_time": "2026-09-29T10:51:40", "percent_change": 0.0, "prev_day_close": 11.3499999046326}, {"option": "GFI261120C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 10.0, "iv": 0.9913, "open_interest": 92.0, "volume": 0.0, "delta": 0.0113, "gamma": 0.0058, "vega": 0.0021, "theta": -0.0059, "rho": 0.0001, "theo": 0.0181, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.07, "last_trade_time": "2026-11-02T15:15:59", "percent_change": 0.0, "prev_day_close": 0.150000005960464}, {"option": "GFI261120P00055000", "bid": 12.5, "bid_size": 68.0, "ask": 15.6, "ask_size": 53.0, "iv": 0.9706, "open_interest": 0.0, "volume": 0.0, "delta": -0.9914, "gamma": 0.0064, "vega": 0.0016, "theta": -0.0048, "rho": -0.0037, "theo": 13.9419, "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": 16.3499994277954}, {"option": "GFI261120C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 55.0, "iv": 1.4643, "open_interest": 0.0, "volume": 0.0, "delta": 0.0042, "gamma": 0.0021, "vega": 0.0009, "theta": -0.0026, "rho": 0.0001, "theo": 0.0068, "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": "GFI261120P00060000", "bid": 17.7, "bid_size": 68.0, "ask": 20.6, "ask_size": 53.0, "iv": 1.3299, "open_interest": 0.0, "volume": 0.0, "delta": -0.9988, "gamma": 0.0017, "vega": 0.0002, "theta": -0.0014, "rho": -0.0005, "theo": 18.9354, "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": 21.2999992370605}, {"option": "GFI261120C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 39.0, "iv": 1.7767, "open_interest": 0.0, "volume": 0.0, "delta": 0.0018, "gamma": 0.0009, "vega": 0.0004, "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": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.975000023841858}, {"option": "GFI261120P00065000", "bid": 22.7, "bid_size": 67.0, "ask": 25.6, "ask_size": 52.0, "iv": 1.544, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0001, "vega": 0.0, "theta": -0.0011, "rho": 0.0, "theo": 23.935, "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": 26.3499994277954}, {"option": "GFI261218C00020000", "bid": 19.4, "bid_size": 40.0, "ask": 23.3, "ask_size": 8.0, "iv": 1.2346, "open_interest": 0.0, "volume": 0.0, "delta": 0.9963, "gamma": 0.0008, "vega": 0.0013, "theta": 0.0, "rho": 0.0222, "theo": 21.1994, "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": 19.25}, {"option": "GFI261218P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 1.05, "ask_size": 585.0, "iv": 1.581, "open_interest": 0.0, "volume": 0.0, "delta": -0.0032, "gamma": 0.0008, "vega": 0.0013, "theta": -0.0013, "rho": -0.0001, "theo": 0.0116, "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": "GFI261218C00022500", "bid": 17.0, "bid_size": 40.0, "ask": 20.8, "ask_size": 8.0, "iv": 1.0982, "open_interest": 0.0, "volume": 0.0, "delta": 0.9932, "gamma": 0.0017, "vega": 0.0024, "theta": -0.0004, "rho": 0.0248, "theo": 18.7227, "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": 16.7999997138977}, {"option": "GFI261218P00022500", "bid": 0.0, "bid_size": 0.0, "ask": 1.2, "ask_size": 570.0, "iv": 1.4091, "open_interest": 0.0, "volume": 0.0, "delta": -0.0063, "gamma": 0.0017, "vega": 0.0024, "theta": -0.0023, "rho": -0.0003, "theo": 0.0223, "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": "GFI261218C00025000", "bid": 14.5, "bid_size": 40.0, "ask": 18.3, "ask_size": 8.0, "iv": 0.92, "open_interest": 0.0, "volume": 0.0, "delta": 0.9872, "gamma": 0.0033, "vega": 0.0044, "theta": -0.0022, "rho": 0.0273, "theo": 16.2564, "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": 13.5}, {"option": "GFI261218P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.65, "ask_size": 274.0, "iv": 1.0349, "open_interest": 16.0, "volume": 0.0, "delta": -0.0124, "gamma": 0.0033, "vega": 0.0044, "theta": -0.0038, "rho": -0.0006, "theo": 0.0433, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.1, "last_trade_time": "2026-10-26T10:35:30", "percent_change": 0.0, "prev_day_close": 0.324999988079071}, {"option": "GFI261218C00027000", "bid": 12.7, "bid_size": 87.0, "ask": 16.0, "ask_size": 26.0, "iv": 0.7406, "open_interest": 0.0, "volume": 0.0, "delta": 0.9784, "gamma": 0.0056, "vega": 0.0069, "theta": -0.0043, "rho": 0.0291, "theo": 14.2972, "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": 11.5499997138977}, {"option": "GFI261218P00027000", "bid": 0.0, "bid_size": 0.0, "ask": 1.25, "ask_size": 577.0, "iv": 1.0694, "open_interest": 0.0, "volume": 0.0, "delta": -0.0212, "gamma": 0.0056, "vega": 0.0069, "theta": -0.0057, "rho": -0.001, "theo": 0.0741, "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": "GFI261218C00028000", "bid": 11.9, "bid_size": 89.0, "ask": 14.3, "ask_size": 18.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9721, "gamma": 0.0072, "vega": 0.0086, "theta": -0.0056, "rho": 0.0299, "theo": 13.3252, "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": 10.5500001907349}, {"option": "GFI261218P00028000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 577.0, "iv": 1.1064, "open_interest": 0.0, "volume": 0.0, "delta": -0.0276, "gamma": 0.0072, "vega": 0.0086, "theta": -0.0069, "rho": -0.0013, "theo": 0.0971, "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": "GFI261218C00029000", "bid": 11.0, "bid_size": 92.0, "ask": 13.4, "ask_size": 48.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9639, "gamma": 0.0092, "vega": 0.0106, "theta": -0.0071, "rho": 0.0306, "theo": 12.3603, "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": 9.85000038146973}, {"option": "GFI261218P00029000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 862.0, "iv": 1.1158, "open_interest": 0.0, "volume": 0.0, "delta": -0.0358, "gamma": 0.0092, "vega": 0.0107, "theta": -0.0083, "rho": -0.0017, "theo": 0.1272, "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": "GFI261218C00030000", "bid": 9.8, "bid_size": 92.0, "ask": 13.3, "ask_size": 38.0, "iv": 0.7101, "open_interest": 2.0, "volume": 0.0, "delta": 0.9534, "gamma": 0.0116, "vega": 0.0131, "theta": -0.0089, "rho": 0.0312, "theo": 11.4046, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 8.0, "last_trade_time": "2026-11-05T15:45:44", "percent_change": 0.0, "prev_day_close": 8.69999980926514}, {"option": "GFI261218P00030000", "bid": 0.1, "bid_size": 6.0, "ask": 0.2, "ask_size": 333.0, "iv": 0.6213, "open_interest": 344.0, "volume": 2.0, "delta": -0.0463, "gamma": 0.0117, "vega": 0.0131, "theta": -0.01, "rho": -0.0022, "theo": 0.1666, "change": -0.15, "open": 0.15, "high": 0.15, "low": 0.15, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-11-09T10:46:39", "percent_change": -50.0, "prev_day_close": 0.299999997019768}, {"option": "GFI261218C00031000", "bid": 9.1, "bid_size": 86.0, "ask": 11.2, "ask_size": 30.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9401, "gamma": 0.0147, "vega": 0.016, "theta": -0.0109, "rho": 0.0317, "theo": 10.4609, "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": 7.84999990463257}, {"option": "GFI261218P00031000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 808.0, "iv": 0.8873, "open_interest": 0.0, "volume": 0.0, "delta": -0.0597, "gamma": 0.0147, "vega": 0.016, "theta": -0.012, "rho": -0.0028, "theo": 0.2181, "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": 0.5}, {"option": "GFI261218C00032000", "bid": 7.8, "bid_size": 88.0, "ask": 10.3, "ask_size": 7.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9234, "gamma": 0.0183, "vega": 0.0194, "theta": -0.0132, "rho": 0.0319, "theo": 9.5326, "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": 7.05000019073486}, {"option": "GFI261218P00032000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 155.0, "iv": 0.6692, "open_interest": 0.0, "volume": 0.0, "delta": -0.0765, "gamma": 0.0184, "vega": 0.0195, "theta": -0.0142, "rho": -0.0035, "theo": 0.2849, "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": 0.725000023841858}, {"option": "GFI261218C00033000", "bid": 6.8, "bid_size": 87.0, "ask": 9.3, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9026, "gamma": 0.0225, "vega": 0.0232, "theta": -0.0157, "rho": 0.032, "theo": 8.6238, "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": 6.10000014305115}, {"option": "GFI261218P00033000", "bid": 0.0, "bid_size": 0.0, "ask": 0.8, "ask_size": 117.0, "iv": 0.5781, "open_interest": 10.0, "volume": 0.0, "delta": -0.0974, "gamma": 0.0226, "vega": 0.0233, "theta": -0.0166, "rho": -0.0045, "theo": 0.3715, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.9, "last_trade_time": "2026-11-05T13:08:10", "percent_change": 0.0, "prev_day_close": 0.825000002980232}, {"option": "GFI261218C00034000", "bid": 6.2, "bid_size": 181.0, "ask": 8.8, "ask_size": 60.0, "iv": 0.4518, "open_interest": 0.0, "volume": 0.0, "delta": 0.8771, "gamma": 0.0272, "vega": 0.0274, "theta": -0.0184, "rho": 0.0318, "theo": 7.7395, "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": 5.30000019073486}, {"option": "GFI261218P00034000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 482.0, "iv": 0.5582, "open_interest": 0.0, "volume": 0.0, "delta": -0.1231, "gamma": 0.0274, "vega": 0.0275, "theta": -0.0192, "rho": -0.0056, "theo": 0.4827, "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": 0.725000023841858}, {"option": "GFI261218C00035000", "bid": 5.4, "bid_size": 609.0, "ask": 7.4, "ask_size": 259.0, "iv": 0.3462, "open_interest": 397.0, "volume": 1.0, "delta": 0.8462, "gamma": 0.0325, "vega": 0.0319, "theta": -0.0212, "rho": 0.0314, "theo": 6.8855, "change": 1.82, "open": 6.32, "high": 6.32, "low": 6.32, "tick": "up", "last_trade_price": 6.32, "last_trade_time": "2026-11-09T12:43:06", "percent_change": 40.4444, "prev_day_close": 4.5}, {"option": "GFI261218P00035000", "bid": 0.5, "bid_size": 1.0, "ask": 0.85, "ask_size": 506.0, "iv": 0.5548, "open_interest": 1871.0, "volume": 6.0, "delta": -0.1541, "gamma": 0.0327, "vega": 0.032, "theta": -0.022, "rho": -0.007, "theo": 0.6244, "change": -0.375, "open": 0.75, "high": 0.75, "low": 0.6, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-11-09T15:44:38", "percent_change": -38.4615, "prev_day_close": 0.975000023841858}, {"option": "GFI261218C00036000", "bid": 4.5, "bid_size": 220.0, "ask": 6.6, "ask_size": 93.0, "iv": 0.364, "open_interest": 0.0, "volume": 0.0, "delta": 0.8097, "gamma": 0.0381, "vega": 0.0366, "theta": -0.024, "rho": 0.0306, "theo": 6.0681, "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": 4.44999980926514}, {"option": "GFI261218P00036000", "bid": 0.2, "bid_size": 1.0, "ask": 1.1, "ask_size": 401.0, "iv": 0.4843, "open_interest": 0.0, "volume": 0.0, "delta": -0.1908, "gamma": 0.0383, "vega": 0.0367, "theta": -0.0247, "rho": -0.0086, "theo": 0.8028, "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": 1.19999998807907}, {"option": "GFI261218C00037000", "bid": 4.0, "bid_size": 232.0, "ask": 6.0, "ask_size": 144.0, "iv": 0.4427, "open_interest": 0.0, "volume": 0.0, "delta": 0.7674, "gamma": 0.0437, "vega": 0.0411, "theta": -0.0267, "rho": 0.0295, "theo": 5.294, "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": 3.79999995231628}, {"option": "GFI261218P00037000", "bid": 0.85, "bid_size": 106.0, "ask": 1.15, "ask_size": 52.0, "iv": 0.5109, "open_interest": 0.0, "volume": 133.0, "delta": -0.2335, "gamma": 0.044, "vega": 0.0412, "theta": -0.0273, "rho": -0.0105, "theo": 1.0249, "change": -0.55, "open": 0.95, "high": 0.95, "low": 0.95, "tick": "no_change", "last_trade_price": 0.95, "last_trade_time": "2026-11-09T15:30:49", "percent_change": -36.6667, "prev_day_close": 1.5}, {"option": "GFI261218C00038000", "bid": 2.7, "bid_size": 628.0, "ask": 5.6, "ask_size": 370.0, "iv": 0.4123, "open_interest": 57.0, "volume": 14.0, "delta": 0.7193, "gamma": 0.0491, "vega": 0.0453, "theta": -0.0291, "rho": 0.0281, "theo": 4.5701, "change": 1.35, "open": 4.2, "high": 4.5, "low": 4.2, "tick": "up", "last_trade_price": 4.5, "last_trade_time": "2026-11-09T09:45:42", "percent_change": 42.8571, "prev_day_close": 3.15000009536743}, {"option": "GFI261218P00038000", "bid": 1.15, "bid_size": 44.0, "ask": 1.4, "ask_size": 21.0, "iv": 0.5029, "open_interest": 0.0, "volume": 1.0, "delta": -0.2819, "gamma": 0.0495, "vega": 0.0454, "theta": -0.0297, "rho": -0.0125, "theo": 1.2976, "change": -0.625, "open": 1.3, "high": 1.3, "low": 1.3, "tick": "down", "last_trade_price": 1.3, "last_trade_time": "2026-11-09T13:50:08", "percent_change": -32.4675, "prev_day_close": 1.92499995231628}, {"option": "GFI261218C00039000", "bid": 2.8, "bid_size": 390.0, "ask": 5.1, "ask_size": 371.0, "iv": 0.5098, "open_interest": 19.0, "volume": 11.0, "delta": 0.6663, "gamma": 0.0539, "vega": 0.0489, "theta": -0.0311, "rho": 0.0264, "theo": 3.9025, "change": 1.15, "open": 3.6, "high": 3.9, "low": 3.6, "tick": "no_change", "last_trade_price": 3.9, "last_trade_time": "2026-11-09T15:56:08", "percent_change": 41.8182, "prev_day_close": 2.75}, {"option": "GFI261218P00039000", "bid": 0.9, "bid_size": 737.0, "ask": 2.3, "ask_size": 673.0, "iv": 0.4945, "open_interest": 326.0, "volume": 1.0, "delta": -0.3355, "gamma": 0.0543, "vega": 0.049, "theta": -0.0316, "rho": -0.0148, "theo": 1.6271, "change": -0.8, "open": 1.7, "high": 1.7, "low": 1.7, "tick": "down", "last_trade_price": 1.7, "last_trade_time": "2026-11-09T13:06:06", "percent_change": -32.0, "prev_day_close": 2.5}, {"option": "GFI261218C00040000", "bid": 2.8, "bid_size": 598.0, "ask": 3.5, "ask_size": 141.0, "iv": 0.4651, "open_interest": 3099.0, "volume": 607.0, "delta": 0.6093, "gamma": 0.0576, "vega": 0.0516, "theta": -0.0325, "rho": 0.0244, "theo": 3.2961, "change": 1.22, "open": 2.95, "high": 3.52, "low": 2.95, "tick": "up", "last_trade_price": 3.52, "last_trade_time": "2026-11-09T15:07:47", "percent_change": 53.0435, "prev_day_close": 2.30000007152557}, {"option": "GFI261218P00040000", "bid": 1.5, "bid_size": 678.0, "ask": 2.8, "ask_size": 719.0, "iv": 0.5189, "open_interest": 511.0, "volume": 0.0, "delta": -0.393, "gamma": 0.0582, "vega": 0.0516, "theta": -0.033, "rho": -0.0172, "theo": 2.0186, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.2, "last_trade_time": "2026-11-04T15:15:18", "percent_change": 0.0, "prev_day_close": 3.0}, {"option": "GFI261218C00041000", "bid": 2.4, "bid_size": 144.0, "ask": 2.95, "ask_size": 108.0, "iv": 0.4732, "open_interest": 1.0, "volume": 3.0, "delta": 0.5498, "gamma": 0.06, "vega": 0.0532, "theta": -0.0332, "rho": 0.0223, "theo": 2.7543, "change": 0.775, "open": 2.85, "high": 2.85, "low": 2.7, "tick": "down", "last_trade_price": 2.7, "last_trade_time": "2026-11-09T15:51:55", "percent_change": 40.2597, "prev_day_close": 1.92500001192093}, {"option": "GFI261218P00041000", "bid": 2.25, "bid_size": 54.0, "ask": 2.6, "ask_size": 29.0, "iv": 0.4786, "open_interest": 0.0, "volume": 1.0, "delta": -0.4532, "gamma": 0.0607, "vega": 0.0532, "theta": -0.0336, "rho": -0.0194, "theo": 2.4753, "change": -0.85, "open": 2.7, "high": 2.7, "low": 2.7, "tick": "down", "last_trade_price": 2.7, "last_trade_time": "2026-11-09T12:43:47", "percent_change": -23.9437, "prev_day_close": 3.55000007152557}, {"option": "GFI261218C00042000", "bid": 1.6, "bid_size": 778.0, "ask": 2.5, "ask_size": 244.0, "iv": 0.4413, "open_interest": 272.0, "volume": 15.0, "delta": 0.4895, "gamma": 0.061, "vega": 0.0536, "theta": -0.0332, "rho": 0.02, "theo": 2.2783, "change": 0.725, "open": 2.0, "high": 2.3, "low": 2.0, "tick": "up", "last_trade_price": 2.3, "last_trade_time": "2026-11-09T13:53:55", "percent_change": 46.0317, "prev_day_close": 1.57499998807907}, {"option": "GFI261218P00042000", "bid": 2.05, "bid_size": 185.0, "ask": 3.9, "ask_size": 170.0, "iv": 0.4795, "open_interest": 0.0, "volume": 0.0, "delta": -0.5143, "gamma": 0.0618, "vega": 0.0535, "theta": -0.0336, "rho": -0.0215, "theo": 2.9984, "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": 4.25}, {"option": "GFI261218C00043000", "bid": 1.6, "bid_size": 271.0, "ask": 2.05, "ask_size": 95.0, "iv": 0.4729, "open_interest": 17.0, "volume": 6.0, "delta": 0.4301, "gamma": 0.0605, "vega": 0.0528, "theta": -0.0325, "rho": 0.0177, "theo": 1.8668, "change": 0.375, "open": 1.75, "high": 1.85, "low": 1.7, "tick": "up", "last_trade_price": 1.85, "last_trade_time": "2026-11-09T14:02:07", "percent_change": 25.4237, "prev_day_close": 1.47500002384186}, {"option": "GFI261218P00043000", "bid": 3.3, "bid_size": 41.0, "ask": 3.7, "ask_size": 29.0, "iv": 0.4643, "open_interest": 0.0, "volume": 1.0, "delta": -0.5746, "gamma": 0.0614, "vega": 0.0526, "theta": -0.0329, "rho": -0.0234, "theo": 3.5867, "change": -1.15, "open": 3.8, "high": 3.8, "low": 3.8, "tick": "down", "last_trade_price": 3.8, "last_trade_time": "2026-11-09T12:59:54", "percent_change": -23.2323, "prev_day_close": 4.95000004768372}, {"option": "GFI261218C00044000", "bid": 1.4, "bid_size": 27.0, "ask": 2.05, "ask_size": 602.0, "iv": 0.5196, "open_interest": 3.0, "volume": 1.0, "delta": 0.3733, "gamma": 0.0585, "vega": 0.0509, "theta": -0.0312, "rho": 0.0155, "theo": 1.5167, "change": 0.575, "open": 1.45, "high": 1.45, "low": 1.45, "tick": "up", "last_trade_price": 1.45, "last_trade_time": "2026-11-09T13:35:03", "percent_change": 65.7143, "prev_day_close": 0.875}, {"option": "GFI261218P00044000", "bid": 3.9, "bid_size": 36.0, "ask": 4.4, "ask_size": 27.0, "iv": 0.4614, "open_interest": 0.0, "volume": 0.0, "delta": -0.6325, "gamma": 0.0596, "vega": 0.0505, "theta": -0.0315, "rho": -0.0251, "theo": 4.2376, "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": "GFI261218C00045000", "bid": 0.9, "bid_size": 684.0, "ask": 1.35, "ask_size": 46.0, "iv": 0.4571, "open_interest": 127.0, "volume": 977.0, "delta": 0.3202, "gamma": 0.0554, "vega": 0.0481, "theta": -0.0294, "rho": 0.0133, "theo": 1.2234, "change": 0.5, "open": 1.25, "high": 1.35, "low": 0.85, "tick": "down", "last_trade_price": 1.25, "last_trade_time": "2026-11-09T15:50:00", "percent_change": 66.6667, "prev_day_close": 0.75}, {"option": "GFI261218P00045000", "bid": 3.6, "bid_size": 351.0, "ask": 5.6, "ask_size": 51.0, "iv": 0.4022, "open_interest": 0.0, "volume": 0.0, "delta": -0.6866, "gamma": 0.0566, "vega": 0.0475, "theta": -0.0297, "rho": -0.0262, "theo": 4.9461, "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": "GFI261218C00046000", "bid": 0.8, "bid_size": 86.0, "ask": 1.15, "ask_size": 107.0, "iv": 0.4763, "open_interest": 0.0, "volume": 3.0, "delta": 0.2718, "gamma": 0.0514, "vega": 0.0447, "theta": -0.0272, "rho": 0.0114, "theo": 0.9809, "change": 0.61, "open": 0.92, "high": 1.01, "low": 0.92, "tick": "up", "last_trade_price": 1.01, "last_trade_time": "2026-11-09T14:42:13", "percent_change": 152.5, "prev_day_close": 0.400000005960464}, {"option": "GFI261218P00046000", "bid": 5.2, "bid_size": 9.0, "ask": 6.0, "ask_size": 23.0, "iv": 0.4528, "open_interest": 0.0, "volume": 0.0, "delta": -0.7362, "gamma": 0.0528, "vega": 0.0438, "theta": -0.0275, "rho": -0.0272, "theo": 5.7067, "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": 7.90000009536743}, {"option": "GFI261218C00047000", "bid": 0.25, "bid_size": 554.0, "ask": 0.9, "ask_size": 35.0, "iv": 0.4246, "open_interest": 0.0, "volume": 0.0, "delta": 0.2287, "gamma": 0.0468, "vega": 0.0408, "theta": -0.0248, "rho": 0.0096, "theo": 0.7827, "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": 0.749999985098839}, {"option": "GFI261218P00047000", "bid": 4.7, "bid_size": 242.0, "ask": 7.5, "ask_size": 79.0, "iv": 0.3579, "open_interest": 0.0, "volume": 0.0, "delta": -0.7805, "gamma": 0.0483, "vega": 0.0395, "theta": -0.025, "rho": -0.0275, "theo": 6.5124, "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": "GFI261218C00048000", "bid": 0.2, "bid_size": 495.0, "ask": 0.95, "ask_size": 458.0, "iv": 0.4662, "open_interest": 0.0, "volume": 5.0, "delta": 0.1909, "gamma": 0.042, "vega": 0.0367, "theta": -0.0223, "rho": 0.008, "theo": 0.6223, "change": 0.125, "open": 0.6, "high": 0.7, "low": 0.6, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-11-09T14:56:29", "percent_change": 26.3158, "prev_day_close": 0.474999994039536}, {"option": "GFI261218P00048000", "bid": 6.1, "bid_size": 188.0, "ask": 8.6, "ask_size": 125.0, "iv": 0.4774, "open_interest": 0.0, "volume": 0.0, "delta": -0.8196, "gamma": 0.0436, "vega": 0.0351, "theta": -0.0225, "rho": -0.0272, "theo": 7.3568, "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": 9.5}, {"option": "GFI261218C00049000", "bid": 0.0, "bid_size": 0.0, "ask": 0.65, "ask_size": 72.0, "iv": 0.4246, "open_interest": 0.0, "volume": 0.0, "delta": 0.1584, "gamma": 0.0372, "vega": 0.0326, "theta": -0.0198, "rho": 0.0067, "theo": 0.4935, "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": "GFI261218P00049000", "bid": 6.9, "bid_size": 172.0, "ask": 9.3, "ask_size": 104.0, "iv": 0.4329, "open_interest": 0.0, "volume": 0.0, "delta": -0.8534, "gamma": 0.0389, "vega": 0.0308, "theta": -0.02, "rho": -0.026, "theo": 8.2338, "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": 10.4499998092651}, {"option": "GFI261218C00050000", "bid": 0.0, "bid_size": 0.0, "ask": 0.85, "ask_size": 470.0, "iv": 0.4952, "open_interest": 22.0, "volume": 5.0, "delta": 0.1307, "gamma": 0.0325, "vega": 0.0287, "theta": -0.0174, "rho": 0.0055, "theo": 0.3909, "change": 0.025, "open": 0.4, "high": 0.4, "low": 0.4, "tick": "up", "last_trade_price": 0.4, "last_trade_time": "2026-11-09T14:59:10", "percent_change": 6.66667, "prev_day_close": 0.375}, {"option": "GFI261218P00050000", "bid": 7.6, "bid_size": 168.0, "ask": 10.7, "ask_size": 115.0, "iv": 0.4879, "open_interest": 0.0, "volume": 0.0, "delta": -0.8824, "gamma": 0.0344, "vega": 0.0263, "theta": -0.0176, "rho": -0.0248, "theo": 9.1381, "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": 11.3999996185303}, {"option": "GFI261218C00055000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 452.0, "iv": 0.6845, "open_interest": 0.0, "volume": 0.0, "delta": 0.0481, "gamma": 0.0148, "vega": 0.0136, "theta": -0.0083, "rho": 0.002, "theo": 0.1223, "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": "GFI261218P00055000", "bid": 12.5, "bid_size": 41.0, "ask": 15.7, "ask_size": 23.0, "iv": 0.6264, "open_interest": 0.0, "volume": 0.0, "delta": -0.9732, "gamma": 0.0181, "vega": 0.0082, "theta": -0.0086, "rho": -0.0119, "theo": 13.917, "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": 15.7999997138977}, {"option": "GFI270115C00020000", "bid": 19.6, "bid_size": 118.0, "ask": 23.4, "ask_size": 9.0, "iv": 1.0514, "open_interest": 43.0, "volume": 0.0, "delta": 0.9932, "gamma": 0.0014, "vega": 0.0031, "theta": 0.0, "rho": 0.0375, "theo": 21.2461, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 15.5, "last_trade_time": "2026-10-07T14:58:03", "percent_change": 0.0, "prev_day_close": 19.1000003814697}, {"option": "GFI270115P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 423.0, "iv": 1.1816, "open_interest": 70.0, "volume": 0.0, "delta": -0.0062, "gamma": 0.0014, "vega": 0.0031, "theta": -0.0016, "rho": -0.0005, "theo": 0.0269, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-08-12T12:26:47", "percent_change": 0.0, "prev_day_close": 0.150000005960464}, {"option": "GFI270115C00022500", "bid": 17.1, "bid_size": 107.0, "ask": 20.9, "ask_size": 9.0, "iv": 0.8868, "open_interest": 1.0, "volume": 0.0, "delta": 0.9876, "gamma": 0.0026, "vega": 0.0055, "theta": -0.0005, "rho": 0.0417, "theo": 18.7919, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 15.66, "last_trade_time": "2026-10-16T09:45:06", "percent_change": 0.0, "prev_day_close": 16.4000000953674}, {"option": "GFI270115P00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 305.0, "iv": 1.0172, "open_interest": 19.0, "volume": 0.0, "delta": -0.0118, "gamma": 0.0026, "vega": 0.0055, "theta": -0.0026, "rho": -0.001, "theo": 0.0508, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.14, "last_trade_time": "2026-10-13T14:16:56", "percent_change": 0.0, "prev_day_close": 0.400000005960464}, {"option": "GFI270115C00024000", "bid": 15.6, "bid_size": 108.0, "ask": 18.9, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9822, "gamma": 0.0038, "vega": 0.0076, "theta": -0.0015, "rho": 0.0441, "theo": 17.3285, "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": 14.5500001907349}, {"option": "GFI270115P00024000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 335.0, "iv": 0.939, "open_interest": 0.0, "volume": 0.0, "delta": -0.0172, "gamma": 0.0038, "vega": 0.0076, "theta": -0.0035, "rho": -0.0014, "theo": 0.0743, "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": "GFI270115C00025000", "bid": 14.6, "bid_size": 108.0, "ask": 17.8, "ask_size": 9.0, "iv": 0.0, "open_interest": 1.0, "volume": 0.0, "delta": 0.9774, "gamma": 0.0048, "vega": 0.0093, "theta": -0.0023, "rho": 0.0456, "theo": 16.3586, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.1, "last_trade_time": "2026-09-10T15:17:59", "percent_change": 0.0, "prev_day_close": 13.6499996185303}, {"option": "GFI270115P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 16.0, "iv": 0.7792, "open_interest": 110.0, "volume": 0.0, "delta": -0.022, "gamma": 0.0048, "vega": 0.0093, "theta": -0.0042, "rho": -0.0018, "theo": 0.0957, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-11-05T15:48:08", "percent_change": 0.0, "prev_day_close": 0.275000005960464}, {"option": "GFI270115C00026000", "bid": 14.1, "bid_size": 188.0, "ask": 16.6, "ask_size": 16.0, "iv": 0.562, "open_interest": 0.0, "volume": 0.0, "delta": 0.9714, "gamma": 0.006, "vega": 0.0114, "theta": -0.0032, "rho": 0.047, "theo": 15.3945, "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": 12.6499996185303}, {"option": "GFI270115P00026000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 307.0, "iv": 0.8253, "open_interest": 0.0, "volume": 0.0, "delta": -0.0281, "gamma": 0.006, "vega": 0.0114, "theta": -0.005, "rho": -0.0022, "theo": 0.123, "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": "GFI270115C00027000", "bid": 13.0, "bid_size": 187.0, "ask": 15.7, "ask_size": 4.0, "iv": 0.5119, "open_interest": 0.0, "volume": 0.0, "delta": 0.9639, "gamma": 0.0075, "vega": 0.0139, "theta": -0.0043, "rho": 0.0482, "theo": 14.438, "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": 11.9499998092651}, {"option": "GFI270115P00027000", "bid": 0.0, "bid_size": 0.0, "ask": 1.55, "ask_size": 636.0, "iv": 0.8736, "open_interest": 0.0, "volume": 0.0, "delta": -0.0357, "gamma": 0.0075, "vega": 0.014, "theta": -0.006, "rho": -0.0029, "theo": 0.158, "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": 0.25}, {"option": "GFI270115C00028000", "bid": 12.0, "bid_size": 189.0, "ask": 14.8, "ask_size": 25.0, "iv": 0.5136, "open_interest": 0.0, "volume": 0.0, "delta": 0.9546, "gamma": 0.0092, "vega": 0.0168, "theta": -0.0055, "rho": 0.0493, "theo": 13.4908, "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": 10.8499999046326}, {"option": "GFI270115P00028000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 561.0, "iv": 0.747, "open_interest": 0.0, "volume": 0.0, "delta": -0.0451, "gamma": 0.0093, "vega": 0.0168, "theta": -0.0071, "rho": -0.0036, "theo": 0.2023, "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": 0.374999988824129}, {"option": "GFI270115C00029000", "bid": 11.2, "bid_size": 206.0, "ask": 13.3, "ask_size": 75.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9431, "gamma": 0.0114, "vega": 0.0201, "theta": -0.0068, "rho": 0.0502, "theo": 12.5552, "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": 9.89999961853027}, {"option": "GFI270115P00029000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 791.0, "iv": 0.6676, "open_interest": 0.0, "volume": 0.0, "delta": -0.0566, "gamma": 0.0114, "vega": 0.0202, "theta": -0.0083, "rho": -0.0045, "theo": 0.2583, "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": 0.675000000745058}, {"option": "GFI270115C00030000", "bid": 11.0, "bid_size": 385.0, "ask": 12.2, "ask_size": 356.0, "iv": 0.5374, "open_interest": 159.0, "volume": 2.0, "delta": 0.9292, "gamma": 0.0138, "vega": 0.0238, "theta": -0.0083, "rho": 0.0509, "theo": 11.634, "change": 2.58, "open": 12.2, "high": 12.2, "low": 11.63, "tick": "down", "last_trade_price": 11.63, "last_trade_time": "2026-11-09T15:09:13", "percent_change": 28.5083, "prev_day_close": 9.0499997138977}, {"option": "GFI270115P00030000", "bid": 0.2, "bid_size": 2.0, "ask": 0.35, "ask_size": 6.0, "iv": 0.529, "open_interest": 5569.0, "volume": 7.0, "delta": -0.0705, "gamma": 0.0138, "vega": 0.0239, "theta": -0.0097, "rho": -0.0056, "theo": 0.328, "change": -0.05, "open": 0.5, "high": 0.5, "low": 0.35, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-11-09T13:54:20", "percent_change": -12.5, "prev_day_close": 0.400000013411045}, {"option": "GFI270115C00031000", "bid": 8.9, "bid_size": 215.0, "ask": 11.4, "ask_size": 82.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9124, "gamma": 0.0166, "vega": 0.0281, "theta": -0.0099, "rho": 0.0513, "theo": 10.7302, "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": 8.2999997138977}, {"option": "GFI270115P00031000", "bid": 0.05, "bid_size": 13.0, "ask": 1.75, "ask_size": 935.0, "iv": 0.6879, "open_interest": 0.0, "volume": 0.0, "delta": -0.0876, "gamma": 0.0167, "vega": 0.0282, "theta": -0.0112, "rho": -0.0069, "theo": 0.4168, "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": 0.750000014901161}, {"option": "GFI270115C00032000", "bid": 8.3, "bid_size": 230.0, "ask": 10.6, "ask_size": 16.0, "iv": 0.3708, "open_interest": 0.0, "volume": 0.0, "delta": 0.8924, "gamma": 0.0197, "vega": 0.0326, "theta": -0.0116, "rho": 0.0514, "theo": 9.8474, "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": 7.34999990463257}, {"option": "GFI270115P00032000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 16.0, "iv": 0.5143, "open_interest": 0.0, "volume": 0.0, "delta": -0.1077, "gamma": 0.0198, "vega": 0.0328, "theta": -0.0128, "rho": -0.0086, "theo": 0.526, "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": "GFI270115C00033000", "bid": 7.1, "bid_size": 204.0, "ask": 9.6, "ask_size": 12.0, "iv": 0.238, "open_interest": 0.0, "volume": 0.0, "delta": 0.8689, "gamma": 0.023, "vega": 0.0375, "theta": -0.0134, "rho": 0.0512, "theo": 8.9897, "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": "GFI270115P00033000", "bid": 0.25, "bid_size": 596.0, "ask": 1.05, "ask_size": 596.0, "iv": 0.518, "open_interest": 1.0, "volume": 0.0, "delta": -0.1314, "gamma": 0.0232, "vega": 0.0376, "theta": -0.0145, "rho": -0.0104, "theo": 0.6606, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.0, "last_trade_time": "2026-11-06T10:27:38", "percent_change": 0.0, "prev_day_close": 0.924999982118606}, {"option": "GFI270115C00034000", "bid": 6.4, "bid_size": 272.0, "ask": 8.8, "ask_size": 237.0, "iv": 0.3547, "open_interest": 0.0, "volume": 0.0, "delta": 0.8417, "gamma": 0.0266, "vega": 0.0426, "theta": -0.0152, "rho": 0.0507, "theo": 8.1612, "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": 5.80000019073486}, {"option": "GFI270115P00034000", "bid": 0.6, "bid_size": 10.0, "ask": 0.95, "ask_size": 235.0, "iv": 0.5003, "open_interest": 4.0, "volume": 0.0, "delta": -0.1589, "gamma": 0.0269, "vega": 0.0428, "theta": -0.0162, "rho": -0.0124, "theo": 0.8246, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.4, "last_trade_time": "2026-11-06T09:32:31", "percent_change": 0.0, "prev_day_close": 1.17499995231628}, {"option": "GFI270115C00035000", "bid": 7.1, "bid_size": 20.0, "ask": 7.8, "ask_size": 394.0, "iv": 0.5218, "open_interest": 495.0, "volume": 32.0, "delta": 0.8108, "gamma": 0.0303, "vega": 0.0477, "theta": -0.017, "rho": 0.0498, "theo": 7.3663, "change": 2.15, "open": 7.1, "high": 7.76, "low": 7.1, "tick": "no_change", "last_trade_price": 7.45, "last_trade_time": "2026-11-09T15:59:23", "percent_change": 40.566, "prev_day_close": 5.29999995231628}, {"option": "GFI270115P00035000", "bid": 0.75, "bid_size": 9.0, "ask": 1.1, "ask_size": 11.0, "iv": 0.4836, "open_interest": 713.0, "volume": 5.0, "delta": -0.1902, "gamma": 0.0306, "vega": 0.048, "theta": -0.0179, "rho": -0.0149, "theo": 1.0225, "change": -0.25, "open": 1.35, "high": 1.35, "low": 1.1, "tick": "down", "last_trade_price": 1.1, "last_trade_time": "2026-11-09T10:46:07", "percent_change": -18.5185, "prev_day_close": 1.34999996423721}, {"option": "GFI270115C00036000", "bid": 5.1, "bid_size": 276.0, "ask": 7.1, "ask_size": 256.0, "iv": 0.3949, "open_interest": 0.0, "volume": 0.0, "delta": 0.776, "gamma": 0.034, "vega": 0.0527, "theta": -0.0188, "rho": 0.0484, "theo": 6.6095, "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": 4.5}, {"option": "GFI270115P00036000", "bid": 1.05, "bid_size": 13.0, "ask": 1.35, "ask_size": 48.0, "iv": 0.4861, "open_interest": 0.0, "volume": 1.0, "delta": -0.2253, "gamma": 0.0344, "vega": 0.0529, "theta": -0.0196, "rho": -0.0175, "theo": 1.259, "change": -0.575, "open": 1.2, "high": 1.2, "low": 1.2, "tick": "down", "last_trade_price": 1.2, "last_trade_time": "2026-11-09T09:35:25", "percent_change": -32.3944, "prev_day_close": 1.77499997615814}, {"option": "GFI270115C00037000", "bid": 5.0, "bid_size": 236.0, "ask": 6.5, "ask_size": 297.0, "iv": 0.4658, "open_interest": 0.0, "volume": 0.0, "delta": 0.7378, "gamma": 0.0375, "vega": 0.0574, "theta": -0.0203, "rho": 0.0468, "theo": 5.8946, "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": "GFI270115P00037000", "bid": 1.4, "bid_size": 2.0, "ask": 1.8, "ask_size": 195.0, "iv": 0.502, "open_interest": 1.0, "volume": 0.0, "delta": -0.264, "gamma": 0.0379, "vega": 0.0576, "theta": -0.0211, "rho": -0.0203, "theo": 1.5381, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.1, "last_trade_time": "2026-11-06T14:48:32", "percent_change": 0.0, "prev_day_close": 2.10000002384186}, {"option": "GFI270115C00038000", "bid": 4.4, "bid_size": 269.0, "ask": 5.7, "ask_size": 315.0, "iv": 0.4573, "open_interest": 0.0, "volume": 0.0, "delta": 0.6964, "gamma": 0.0406, "vega": 0.0615, "theta": -0.0217, "rho": 0.0448, "theo": 5.2255, "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": "GFI270115P00038000", "bid": 1.7, "bid_size": 3.0, "ask": 2.05, "ask_size": 110.0, "iv": 0.4879, "open_interest": 0.0, "volume": 0.0, "delta": -0.306, "gamma": 0.0412, "vega": 0.0618, "theta": -0.0224, "rho": -0.0235, "theo": 1.8633, "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": 2.55000007152557}, {"option": "GFI270115C00039000", "bid": 3.6, "bid_size": 290.0, "ask": 5.6, "ask_size": 411.0, "iv": 0.4808, "open_interest": 6.0, "volume": 1.0, "delta": 0.6525, "gamma": 0.0434, "vega": 0.065, "theta": -0.0229, "rho": 0.0425, "theo": 4.6049, "change": 0.87, "open": 4.32, "high": 4.32, "low": 4.32, "tick": "up", "last_trade_price": 4.32, "last_trade_time": "2026-11-09T10:38:39", "percent_change": 25.2174, "prev_day_close": 3.45000004768372}, {"option": "GFI270115P00039000", "bid": 2.05, "bid_size": 18.0, "ask": 2.45, "ask_size": 174.0, "iv": 0.4834, "open_interest": 0.0, "volume": 1.0, "delta": -0.3505, "gamma": 0.044, "vega": 0.0652, "theta": -0.0235, "rho": -0.0266, "theo": 2.2377, "change": -0.825, "open": 2.2, "high": 2.2, "low": 2.2, "tick": "down", "last_trade_price": 2.2, "last_trade_time": "2026-11-09T15:48:09", "percent_change": -27.2727, "prev_day_close": 3.02499997615814}, {"option": "GFI270115C00040000", "bid": 3.9, "bid_size": 26.0, "ask": 4.3, "ask_size": 478.0, "iv": 0.4874, "open_interest": 5423.0, "volume": 6.0, "delta": 0.6067, "gamma": 0.0455, "vega": 0.0677, "theta": -0.0237, "rho": 0.04, "theo": 4.0347, "change": 1.0, "open": 3.8, "high": 4.1, "low": 3.8, "tick": "up", "last_trade_price": 4.1, "last_trade_time": "2026-11-09T14:36:28", "percent_change": 32.2581, "prev_day_close": 3.10000002384186}, {"option": "GFI270115P00040000", "bid": 2.5, "bid_size": 32.0, "ask": 2.8, "ask_size": 72.0, "iv": 0.4758, "open_interest": 1414.0, "volume": 6.0, "delta": -0.3971, "gamma": 0.0463, "vega": 0.0678, "theta": -0.0243, "rho": -0.0297, "theo": 2.6636, "change": -0.94, "open": 2.66, "high": 2.66, "low": 2.66, "tick": "down", "last_trade_price": 2.66, "last_trade_time": "2026-11-09T15:50:08", "percent_change": -26.1111, "prev_day_close": 3.60000002384186}, {"option": "GFI270115C00041000", "bid": 3.2, "bid_size": 171.0, "ask": 4.0, "ask_size": 347.0, "iv": 0.4869, "open_interest": 0.0, "volume": 2.0, "delta": 0.5599, "gamma": 0.047, "vega": 0.0694, "theta": -0.0242, "rho": 0.0373, "theo": 3.5159, "change": 0.84, "open": 3.4, "high": 3.54, "low": 3.4, "tick": "up", "last_trade_price": 3.54, "last_trade_time": "2026-11-09T13:39:30", "percent_change": 31.1111, "prev_day_close": 2.69999992847443}, {"option": "GFI270115P00041000", "bid": 2.9, "bid_size": 38.0, "ask": 3.3, "ask_size": 40.0, "iv": 0.4688, "open_interest": 0.0, "volume": 0.0, "delta": -0.4447, "gamma": 0.0478, "vega": 0.0694, "theta": -0.0247, "rho": -0.0328, "theo": 3.1413, "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": 4.29999995231628}, {"option": "GFI270115C00042000", "bid": 2.95, "bid_size": 1.0, "ask": 3.3, "ask_size": 185.0, "iv": 0.4834, "open_interest": 0.0, "volume": 0.0, "delta": 0.5129, "gamma": 0.0477, "vega": 0.0702, "theta": -0.0244, "rho": 0.0345, "theo": 3.0482, "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": 2.27500009536743}, {"option": "GFI270115P00042000", "bid": 3.4, "bid_size": 14.0, "ask": 3.8, "ask_size": 33.0, "iv": 0.4622, "open_interest": 0.0, "volume": 0.0, "delta": -0.4927, "gamma": 0.0487, "vega": 0.07, "theta": -0.0249, "rho": -0.0358, "theo": 3.6711, "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": "GFI270115C00043000", "bid": 2.5, "bid_size": 19.0, "ask": 2.85, "ask_size": 186.0, "iv": 0.4771, "open_interest": 0.0, "volume": 1.0, "delta": 0.4665, "gamma": 0.0478, "vega": 0.0699, "theta": -0.0243, "rho": 0.0316, "theo": 2.6302, "change": 0.975, "open": 2.75, "high": 2.75, "low": 2.75, "tick": "up", "last_trade_price": 2.75, "last_trade_time": "2026-11-09T15:48:09", "percent_change": 54.9296, "prev_day_close": 1.77499997615814}, {"option": "GFI270115P00043000", "bid": 3.9, "bid_size": 73.0, "ask": 4.5, "ask_size": 59.0, "iv": 0.4632, "open_interest": 0.0, "volume": 0.0, "delta": -0.5402, "gamma": 0.0489, "vega": 0.0696, "theta": -0.0247, "rho": -0.0384, "theo": 4.2521, "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": 5.70000004768372}, {"option": "GFI270115C00044000", "bid": 2.05, "bid_size": 165.0, "ask": 2.45, "ask_size": 126.0, "iv": 0.468, "open_interest": 0.0, "volume": 4.0, "delta": 0.4214, "gamma": 0.0471, "vega": 0.0688, "theta": -0.0239, "rho": 0.0288, "theo": 2.2602, "change": 0.82, "open": 2.25, "high": 2.32, "low": 2.2, "tick": "up", "last_trade_price": 2.32, "last_trade_time": "2026-11-09T15:57:30", "percent_change": 54.6667, "prev_day_close": 1.5}, {"option": "GFI270115P00044000", "bid": 3.8, "bid_size": 327.0, "ask": 5.5, "ask_size": 117.0, "iv": 0.4354, "open_interest": 0.0, "volume": 0.0, "delta": -0.5864, "gamma": 0.0484, "vega": 0.0682, "theta": -0.0242, "rho": -0.0407, "theo": 4.8816, "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": "GFI270115C00045000", "bid": 1.4, "bid_size": 864.0, "ask": 2.1, "ask_size": 97.0, "iv": 0.441, "open_interest": 507.0, "volume": 1.0, "delta": 0.3783, "gamma": 0.0458, "vega": 0.0669, "theta": -0.0232, "rho": 0.026, "theo": 1.935, "change": 0.6, "open": 1.8, "high": 1.8, "low": 1.8, "tick": "up", "last_trade_price": 1.8, "last_trade_time": "2026-11-09T09:33:05", "percent_change": 50.0, "prev_day_close": 1.20000001788139}, {"option": "GFI270115P00045000", "bid": 5.2, "bid_size": 163.0, "ask": 6.1, "ask_size": 321.0, "iv": 0.4828, "open_interest": 1154.0, "volume": 109.0, "delta": -0.6307, "gamma": 0.0472, "vega": 0.0661, "theta": -0.0235, "rho": -0.0428, "theo": 5.5573, "change": -1.95, "open": 5.5, "high": 5.6, "low": 5.5, "tick": "no_change", "last_trade_price": 5.6, "last_trade_time": "2026-11-09T15:50:07", "percent_change": -25.8278, "prev_day_close": 7.5499997138977}, {"option": "GFI270115C00046000", "bid": 1.45, "bid_size": 14.0, "ask": 1.95, "ask_size": 315.0, "iv": 0.4762, "open_interest": 4.0, "volume": 2.0, "delta": 0.3376, "gamma": 0.0441, "vega": 0.0644, "theta": -0.0223, "rho": 0.0233, "theo": 1.6514, "change": 0.45, "open": 1.7, "high": 1.7, "low": 1.65, "tick": "down", "last_trade_price": 1.65, "last_trade_time": "2026-11-09T11:37:57", "percent_change": 37.5, "prev_day_close": 1.19999998807907}, {"option": "GFI270115P00046000", "bid": 5.7, "bid_size": 28.0, "ask": 7.2, "ask_size": 126.0, "iv": 0.496, "open_interest": 0.0, "volume": 0.0, "delta": -0.6727, "gamma": 0.0456, "vega": 0.0632, "theta": -0.0226, "rho": -0.0441, "theo": 6.2758, "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": 8.20000004768372}, {"option": "GFI270115C00047000", "bid": 0.9, "bid_size": 451.0, "ask": 1.7, "ask_size": 279.0, "iv": 0.4514, "open_interest": 0.0, "volume": 2.0, "delta": 0.2998, "gamma": 0.0419, "vega": 0.0612, "theta": -0.0212, "rho": 0.0208, "theo": 1.4056, "change": 0.45, "open": 1.45, "high": 1.45, "low": 1.45, "tick": "no_change", "last_trade_price": 1.45, "last_trade_time": "2026-11-09T14:38:33", "percent_change": 45.0, "prev_day_close": 1.0}, {"option": "GFI270115P00047000", "bid": 6.5, "bid_size": 9.0, "ask": 8.5, "ask_size": 279.0, "iv": 0.5449, "open_interest": 0.0, "volume": 0.0, "delta": -0.712, "gamma": 0.0436, "vega": 0.0597, "theta": -0.0214, "rho": -0.0456, "theo": 7.033, "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": 9.15000009536743}, {"option": "GFI270115C00048000", "bid": 1.05, "bid_size": 16.0, "ask": 1.45, "ask_size": 297.0, "iv": 0.4791, "open_interest": 0.0, "volume": 4.0, "delta": 0.265, "gamma": 0.0394, "vega": 0.0577, "theta": -0.02, "rho": 0.0184, "theo": 1.1938, "change": 0.44, "open": 1.14, "high": 1.14, "low": 1.14, "tick": "up", "last_trade_price": 1.14, "last_trade_time": "2026-11-09T11:07:50", "percent_change": 62.8571, "prev_day_close": 0.700000002980232}, {"option": "GFI270115P00048000", "bid": 7.0, "bid_size": 31.0, "ask": 9.3, "ask_size": 165.0, "iv": 0.526, "open_interest": 0.0, "volume": 0.0, "delta": -0.7483, "gamma": 0.0412, "vega": 0.0558, "theta": -0.0202, "rho": -0.0458, "theo": 7.8257, "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": 9.80000019073486}, {"option": "GFI270115C00049000", "bid": 0.8, "bid_size": 190.0, "ask": 1.2, "ask_size": 165.0, "iv": 0.468, "open_interest": 0.0, "volume": 0.0, "delta": 0.2332, "gamma": 0.0368, "vega": 0.054, "theta": -0.0187, "rho": 0.0163, "theo": 1.0123, "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": "GFI270115P00049000", "bid": 8.1, "bid_size": 10.0, "ask": 9.6, "ask_size": 98.0, "iv": 0.5083, "open_interest": 0.0, "volume": 0.0, "delta": -0.7816, "gamma": 0.0387, "vega": 0.0515, "theta": -0.0188, "rho": -0.0456, "theo": 8.6495, "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": 10.6999998092651}, {"option": "GFI270115C00050000", "bid": 0.7, "bid_size": 612.0, "ask": 1.1, "ask_size": 491.0, "iv": 0.48, "open_interest": 1165.0, "volume": 4.0, "delta": 0.2046, "gamma": 0.034, "vega": 0.0501, "theta": -0.0174, "rho": 0.0143, "theo": 0.8572, "change": 0.355, "open": 0.8, "high": 0.88, "low": 0.8, "tick": "up", "last_trade_price": 0.88, "last_trade_time": "2026-11-09T15:46:54", "percent_change": 67.619, "prev_day_close": 0.525000005960464}, {"option": "GFI270115P00050000", "bid": 8.8, "bid_size": 11.0, "ask": 10.9, "ask_size": 410.0, "iv": 0.5413, "open_interest": 106.0, "volume": 0.0, "delta": -0.8118, "gamma": 0.0361, "vega": 0.047, "theta": -0.0175, "rho": -0.0448, "theo": 9.5014, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 12.5, "last_trade_time": "2026-10-12T12:02:28", "percent_change": 0.0, "prev_day_close": 11.75}, {"option": "GFI270115C00055000", "bid": 0.3, "bid_size": 1.0, "ask": 0.7, "ask_size": 738.0, "iv": 0.519, "open_interest": 523.0, "volume": 0.0, "delta": 0.1026, "gamma": 0.021, "vega": 0.0317, "theta": -0.0111, "rho": 0.0072, "theo": 0.3712, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.27, "last_trade_time": "2026-11-02T14:02:40", "percent_change": 0.0, "prev_day_close": 0.300000000745058}, {"option": "GFI270115P00055000", "bid": 12.4, "bid_size": 91.0, "ask": 15.8, "ask_size": 53.0, "iv": 0.4938, "open_interest": 0.0, "volume": 0.0, "delta": -0.9225, "gamma": 0.0238, "vega": 0.0251, "theta": -0.011, "rho": -0.0329, "theo": 14.0661, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 13.8, "last_trade_time": "2026-09-16T14:00:58", "percent_change": 0.0, "prev_day_close": 16.5500001907349}, {"option": "GFI270115C00060000", "bid": 0.05, "bid_size": 23.0, "ask": 0.75, "ask_size": 26.0, "iv": 0.4844, "open_interest": 957.0, "volume": 10.0, "delta": 0.0504, "gamma": 0.0119, "vega": 0.0185, "theta": -0.0065, "rho": 0.0036, "theo": 0.1636, "change": 0.075, "open": 0.2, "high": 0.2, "low": 0.2, "tick": "no_change", "last_trade_price": 0.2, "last_trade_time": "2026-11-09T09:37:16", "percent_change": 60.0, "prev_day_close": 0.125000001862645}, {"option": "GFI270115P00060000", "bid": 17.5, "bid_size": 65.0, "ask": 20.7, "ask_size": 50.0, "iv": 0.6014, "open_interest": 0.0, "volume": 0.0, "delta": -0.9844, "gamma": 0.0153, "vega": 0.0072, "theta": -0.0063, "rho": -0.0124, "theo": 18.9354, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 19.96, "last_trade_time": "2026-08-17T13:34:21", "percent_change": 0.0, "prev_day_close": 21.1500005722046}, {"option": "GFI270115C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.85, "ask_size": 896.0, "iv": 0.6936, "open_interest": 107.0, "volume": 0.0, "delta": 0.0247, "gamma": 0.0064, "vega": 0.0103, "theta": -0.0037, "rho": 0.0018, "theo": 0.0738, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.2, "last_trade_time": "2026-10-13T12:03:25", "percent_change": 0.0, "prev_day_close": 0.174999997019768}, {"option": "GFI270115P00065000", "bid": 22.3, "bid_size": 60.0, "ask": 25.6, "ask_size": 27.0, "iv": 0.5979, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0045, "rho": 0.0, "theo": 23.93, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 20.58, "last_trade_time": "2026-08-31T10:15:59", "percent_change": 0.0, "prev_day_close": 25.8000001907349}, {"option": "GFI270115C00070000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 233.0, "iv": 0.7101, "open_interest": 14.0, "volume": 0.0, "delta": 0.0124, "gamma": 0.0035, "vega": 0.0058, "theta": -0.0021, "rho": 0.0009, "theo": 0.0348, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.17, "last_trade_time": "2026-10-12T11:27:02", "percent_change": 0.0, "prev_day_close": 0.275000005960464}, {"option": "GFI270115P00070000", "bid": 27.3, "bid_size": 59.0, "ask": 30.6, "ask_size": 26.0, "iv": 0.6775, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0045, "rho": 0.0, "theo": 28.93, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 29.65, "last_trade_time": "2026-08-18T10:44:52", "percent_change": 0.0, "prev_day_close": 31.1500005722046}, {"option": "GFI270319C00020000", "bid": 19.7, "bid_size": 3.0, "ask": 23.7, "ask_size": 9.0, "iv": 0.4916, "open_interest": 14.0, "volume": 0.0, "delta": 0.9936, "gamma": 0.0023, "vega": 0.0077, "theta": 0.0, "rho": 0.0638, "theo": 21.778, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 25.7, "last_trade_time": "2026-09-10T14:54:36", "percent_change": 0.0, "prev_day_close": 19.1999998092651}, {"option": "GFI270319P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 181.0, "iv": 0.8343, "open_interest": 38.0, "volume": 0.0, "delta": -0.0253, "gamma": 0.0037, "vega": 0.0141, "theta": -0.0035, "rho": -0.0042, "theo": 0.172, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.24, "last_trade_time": "2026-10-16T11:23:01", "percent_change": 0.0, "prev_day_close": 0.150000005960464}, {"option": "GFI270319C00022500", "bid": 17.3, "bid_size": 21.0, "ask": 20.7, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9835, "gamma": 0.0039, "vega": 0.0147, "theta": -0.001, "rho": 0.0698, "theo": 19.3773, "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": 16.9999995231628}, {"option": "GFI270319P00022500", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 178.0, "iv": 0.7156, "open_interest": 0.0, "volume": 0.0, "delta": -0.0401, "gamma": 0.0058, "vega": 0.0206, "theta": -0.0048, "rho": -0.0066, "theo": 0.2724, "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": "GFI270319C00025000", "bid": 15.4, "bid_size": 22.0, "ask": 18.4, "ask_size": 20.0, "iv": 0.5232, "open_interest": 6.0, "volume": 0.0, "delta": 0.9671, "gamma": 0.0064, "vega": 0.0214, "theta": -0.0028, "rho": 0.0755, "theo": 17.0198, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 13.2, "last_trade_time": "2026-10-15T15:58:41", "percent_change": 0.0, "prev_day_close": 14.5000004768372}, {"option": "GFI270319P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.9, "ask_size": 668.0, "iv": 0.6005, "open_interest": 238.0, "volume": 0.0, "delta": -0.0621, "gamma": 0.0087, "vega": 0.0292, "theta": -0.0065, "rho": -0.0102, "theo": 0.4277, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.65, "last_trade_time": "2026-09-25T09:52:55", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "GFI270319C00030000", "bid": 11.4, "bid_size": 358.0, "ask": 12.9, "ask_size": 277.0, "iv": 0.4324, "open_interest": 1426.0, "volume": 60.0, "delta": 0.9061, "gamma": 0.0143, "vega": 0.0398, "theta": -0.0074, "rho": 0.0833, "theo": 12.5239, "change": 2.65, "open": 12.29, "high": 12.5, "low": 12.0, "tick": "up", "last_trade_price": 12.5, "last_trade_time": "2026-11-09T14:38:33", "percent_change": 26.9036, "prev_day_close": 9.84999990463257}, {"option": "GFI270319P00030000", "bid": 0.7, "bid_size": 11.0, "ask": 1.1, "ask_size": 282.0, "iv": 0.5152, "open_interest": 498.0, "volume": 19.0, "delta": -0.137, "gamma": 0.0173, "vega": 0.0523, "theta": -0.0106, "rho": -0.0228, "theo": 1.0148, "change": -0.9, "open": 1.0, "high": 1.0, "low": 0.95, "tick": "down", "last_trade_price": 0.95, "last_trade_time": "2026-11-09T10:38:35", "percent_change": -48.6486, "prev_day_close": 1.84999996423721}, {"option": "GFI270319C00035000", "bid": 7.9, "bid_size": 147.0, "ask": 9.2, "ask_size": 175.0, "iv": 0.5005, "open_interest": 53.0, "volume": 3.0, "delta": 0.7924, "gamma": 0.0252, "vega": 0.0691, "theta": -0.0128, "rho": 0.0797, "theo": 8.5686, "change": 1.39, "open": 7.5, "high": 8.14, "low": 7.5, "tick": "up", "last_trade_price": 8.14, "last_trade_time": "2026-11-09T09:33:09", "percent_change": 20.5926, "prev_day_close": 6.75}, {"option": "GFI270319P00035000", "bid": 1.75, "bid_size": 9.0, "ask": 2.65, "ask_size": 24.0, "iv": 0.5013, "open_interest": 645.0, "volume": 11.0, "delta": -0.2626, "gamma": 0.0274, "vega": 0.0775, "theta": -0.0148, "rho": -0.0446, "theo": 2.2149, "change": -0.6, "open": 2.2, "high": 2.2, "low": 2.2, "tick": "no_change", "last_trade_price": 2.2, "last_trade_time": "2026-11-09T12:03:11", "percent_change": -21.4286, "prev_day_close": 2.79999995231628}, {"option": "GFI270319C00040000", "bid": 5.3, "bid_size": 56.0, "ask": 6.1, "ask_size": 8.0, "iv": 0.5136, "open_interest": 202.0, "volume": 2.0, "delta": 0.6317, "gamma": 0.0339, "vega": 0.0888, "theta": -0.0167, "rho": 0.0714, "theo": 5.4478, "change": 2.0, "open": 5.3, "high": 6.1, "low": 5.3, "tick": "up", "last_trade_price": 6.1, "last_trade_time": "2026-11-09T15:23:19", "percent_change": 48.7805, "prev_day_close": 4.10000002384186}, {"option": "GFI270319P00040000", "bid": 4.0, "bid_size": 2.0, "ask": 4.5, "ask_size": 9.0, "iv": 0.4815, "open_interest": 2536.0, "volume": 0.0, "delta": -0.4257, "gamma": 0.0342, "vega": 0.0933, "theta": -0.017, "rho": -0.0747, "theo": 4.2876, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 6.2, "last_trade_time": "2026-11-05T13:01:33", "percent_change": 0.0, "prev_day_close": 4.35000002384186}, {"option": "GFI270319C00045000", "bid": 2.85, "bid_size": 436.0, "ask": 3.9, "ask_size": 397.0, "iv": 0.4881, "open_interest": 317.0, "volume": 1.0, "delta": 0.4604, "gamma": 0.0358, "vega": 0.0934, "theta": -0.0175, "rho": 0.0518, "theo": 3.2996, "change": 0.45, "open": 3.0, "high": 3.0, "low": 3.0, "tick": "up", "last_trade_price": 3.0, "last_trade_time": "2026-11-09T11:59:59", "percent_change": 17.6471, "prev_day_close": 2.54999995231628}, {"option": "GFI270319P00045000", "bid": 5.0, "bid_size": 3.0, "ask": 7.4, "ask_size": 15.0, "iv": 0.3615, "open_interest": 55.0, "volume": 0.0, "delta": -0.5894, "gamma": 0.0345, "vega": 0.093, "theta": -0.0164, "rho": -0.1077, "theo": 7.2794, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.3, "last_trade_time": "2026-11-02T11:39:09", "percent_change": 0.0, "prev_day_close": 7.95000004768372}, {"option": "GFI270319C00050000", "bid": 1.6, "bid_size": 676.0, "ask": 2.25, "ask_size": 234.0, "iv": 0.4793, "open_interest": 130.0, "volume": 1.0, "delta": 0.3149, "gamma": 0.0317, "vega": 0.0838, "theta": -0.0157, "rho": 0.037, "theo": 1.9496, "change": 0.95, "open": 2.05, "high": 2.05, "low": 2.05, "tick": "up", "last_trade_price": 2.05, "last_trade_time": "2026-11-09T14:38:36", "percent_change": 86.3636, "prev_day_close": 1.10000002384186}, {"option": "GFI270319P00050000", "bid": 9.6, "bid_size": 14.0, "ask": 12.1, "ask_size": 55.0, "iv": 0.4622, "open_interest": 15.0, "volume": 1.0, "delta": -0.7234, "gamma": 0.0297, "vega": 0.0807, "theta": -0.0136, "rho": -0.139, "theo": 11.0088, "change": -2.23, "open": 10.47, "high": 10.47, "low": 10.47, "tick": "down", "last_trade_price": 10.47, "last_trade_time": "2026-11-09T14:54:04", "percent_change": -17.5591, "prev_day_close": 12.7000002861023}, {"option": "GFI270319C00055000", "bid": 0.85, "bid_size": 536.0, "ask": 1.65, "ask_size": 511.0, "iv": 0.5031, "open_interest": 93.0, "volume": 0.0, "delta": 0.2083, "gamma": 0.0252, "vega": 0.0674, "theta": -0.0128, "rho": 0.0247, "theo": 1.1522, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.55, "last_trade_time": "2026-11-04T15:01:41", "percent_change": 0.0, "prev_day_close": 0.950000017881394}, {"option": "GFI270319P00055000", "bid": 13.7, "bid_size": 1.0, "ask": 16.5, "ask_size": 17.0, "iv": 0.4678, "open_interest": 23.0, "volume": 0.0, "delta": -0.8197, "gamma": 0.0233, "vega": 0.0641, "theta": -0.0102, "rho": -0.1667, "theo": 15.229, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 18.7, "last_trade_time": "2026-10-21T13:40:51", "percent_change": 0.0, "prev_day_close": 16.8499999046326}, {"option": "GFI270319C00060000", "bid": 0.15, "bid_size": 41.0, "ask": 1.3, "ask_size": 229.0, "iv": 0.5044, "open_interest": 36.0, "volume": 0.0, "delta": 0.136, "gamma": 0.0188, "vega": 0.0504, "theta": -0.0098, "rho": 0.0158, "theo": 0.6889, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.35, "last_trade_time": "2026-11-04T13:56:48", "percent_change": 0.0, "prev_day_close": 0.575000017881394}, {"option": "GFI270319P00060000", "bid": 17.2, "bid_size": 4.0, "ask": 21.0, "ask_size": 8.0, "iv": 0.0, "open_interest": 21.0, "volume": 0.0, "delta": -0.8843, "gamma": 0.0173, "vega": 0.0486, "theta": -0.0068, "rho": -0.1909, "theo": 19.7439, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 17.57, "last_trade_time": "2026-08-20T10:58:31", "percent_change": 0.0, "prev_day_close": 21.8000001907349}, {"option": "GFI270319C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 2.55, "ask_size": 374.0, "iv": 0.676, "open_interest": 23.0, "volume": 0.0, "delta": 0.0894, "gamma": 0.0136, "vega": 0.0383, "theta": -0.0074, "rho": 0.0109, "theo": 0.4231, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-10-08T13:35:31", "percent_change": 0.0, "prev_day_close": 0.349999994039536}, {"option": "GFI270319P00065000", "bid": 21.9, "bid_size": 2.0, "ask": 25.9, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9263, "gamma": 0.0125, "vega": 0.036, "theta": -0.004, "rho": -0.2125, "theo": 24.428, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 24.99, "last_trade_time": "2026-08-17T13:33:20", "percent_change": 0.0, "prev_day_close": 25.9499998092651}, {"option": "GFI270319C00070000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 186.0, "iv": 0.6065, "open_interest": 16.0, "volume": 0.0, "delta": 0.0591, "gamma": 0.0097, "vega": 0.0287, "theta": -0.0054, "rho": 0.0075, "theo": 0.2645, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.16, "last_trade_time": "2026-10-26T13:05:12", "percent_change": 0.0, "prev_day_close": 0.224999994039536}, {"option": "GFI270319P00070000", "bid": 26.8, "bid_size": 2.0, "ask": 30.8, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9534, "gamma": 0.009, "vega": 0.0263, "theta": -0.0016, "rho": -0.2324, "theo": 29.2085, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 24.7, "last_trade_time": "2026-09-09T11:02:15", "percent_change": 0.0, "prev_day_close": 30.8999996185303}, {"option": "GFI270416C00020000", "bid": 19.6, "bid_size": 1.0, "ask": 23.6, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9945, "gamma": 0.0025, "vega": 0.0102, "theta": 0.0, "rho": 0.0631, "theo": 21.8894, "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": 19.5500001907349}, {"option": "GFI270416P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 228.0, "iv": 0.9599, "open_interest": 6.0, "volume": 0.0, "delta": -0.0321, "gamma": 0.0042, "vega": 0.019, "theta": -0.0038, "rho": -0.0063, "theo": 0.2483, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.23, "last_trade_time": "2026-11-04T13:00:01", "percent_change": 0.0, "prev_day_close": 0.200000002980232}, {"option": "GFI270416C00022500", "bid": 17.2, "bid_size": 20.0, "ask": 21.2, "ask_size": 18.0, "iv": 0.0, "open_interest": 1.0, "volume": 0.0, "delta": 0.9828, "gamma": 0.0043, "vega": 0.0157, "theta": -0.0006, "rho": 0.0697, "theo": 19.5028, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 15.5, "last_trade_time": "2026-10-09T15:32:22", "percent_change": 0.0, "prev_day_close": 16.9000005722046}, {"option": "GFI270416P00022500", "bid": 0.0, "bid_size": 0.0, "ask": 2.25, "ask_size": 187.0, "iv": 0.8363, "open_interest": 15.0, "volume": 0.0, "delta": -0.0491, "gamma": 0.0063, "vega": 0.0268, "theta": -0.0051, "rho": -0.0096, "theo": 0.3808, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-11-04T13:00:01", "percent_change": 0.0, "prev_day_close": 0.275000005960464}, {"option": "GFI270416C00025000", "bid": 14.9, "bid_size": 25.0, "ask": 17.8, "ask_size": 17.0, "iv": 0.0, "open_interest": 2.0, "volume": 0.0, "delta": 0.9646, "gamma": 0.0068, "vega": 0.0232, "theta": -0.0025, "rho": 0.0756, "theo": 17.1643, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 12.56, "last_trade_time": "2026-10-06T13:40:40", "percent_change": 0.0, "prev_day_close": 14.5499997138977}, {"option": "GFI270416P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.65, "ask_size": 78.0, "iv": 0.5093, "open_interest": 0.0, "volume": 0.0, "delta": -0.0732, "gamma": 0.0091, "vega": 0.0366, "theta": -0.0067, "rho": -0.0143, "theo": 0.5778, "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": "GFI270416C00030000", "bid": 10.7, "bid_size": 349.0, "ask": 13.9, "ask_size": 264.0, "iv": 0.4315, "open_interest": 180.0, "volume": 1.0, "delta": 0.8988, "gamma": 0.0146, "vega": 0.05, "theta": -0.0073, "rho": 0.0821, "theo": 12.7407, "change": 1.85, "open": 11.9, "high": 11.9, "low": 11.9, "tick": "up", "last_trade_price": 11.9, "last_trade_time": "2026-11-09T09:33:11", "percent_change": 18.408, "prev_day_close": 10.0499997138977}, {"option": "GFI270416P00030000", "bid": 0.55, "bid_size": 471.0, "ask": 1.6, "ask_size": 341.0, "iv": 0.5055, "open_interest": 94.0, "volume": 1.0, "delta": -0.15, "gamma": 0.0167, "vega": 0.0612, "theta": -0.0103, "rho": -0.029, "theo": 1.2736, "change": -1.0, "open": 1.1, "high": 1.1, "low": 1.1, "tick": "down", "last_trade_price": 1.1, "last_trade_time": "2026-11-09T10:33:00", "percent_change": -47.619, "prev_day_close": 2.10000002384186}, {"option": "GFI270416C00035000", "bid": 8.6, "bid_size": 9.0, "ask": 9.7, "ask_size": 215.0, "iv": 0.541, "open_interest": 22.0, "volume": 40.0, "delta": 0.7844, "gamma": 0.0242, "vega": 0.0762, "theta": -0.0122, "rho": 0.0816, "theo": 8.8983, "change": 1.95, "open": 8.4, "high": 9.4, "low": 8.4, "tick": "no_change", "last_trade_price": 9.15, "last_trade_time": "2026-11-09T15:59:23", "percent_change": 27.0833, "prev_day_close": 7.20000004768372}, {"option": "GFI270416P00035000", "bid": 2.25, "bid_size": 9.0, "ask": 2.8, "ask_size": 154.0, "iv": 0.5016, "open_interest": 64.0, "volume": 1.0, "delta": -0.2691, "gamma": 0.0252, "vega": 0.0866, "theta": -0.0137, "rho": -0.0522, "theo": 2.5816, "change": -0.65, "open": 2.6, "high": 2.6, "low": 2.6, "tick": "down", "last_trade_price": 2.6, "last_trade_time": "2026-11-09T12:20:30", "percent_change": -20.0, "prev_day_close": 3.25}, {"option": "GFI270416C00040000", "bid": 5.5, "bid_size": 9.0, "ask": 6.5, "ask_size": 192.0, "iv": 0.504, "open_interest": 123.0, "volume": 1.0, "delta": 0.6325, "gamma": 0.0313, "vega": 0.099, "theta": -0.0156, "rho": 0.0722, "theo": 5.88, "change": 1.35, "open": 6.0, "high": 6.0, "low": 6.0, "tick": "up", "last_trade_price": 6.0, "last_trade_time": "2026-11-09T14:58:40", "percent_change": 29.0323, "prev_day_close": 4.65000009536743}, {"option": "GFI270416P00040000", "bid": 3.9, "bid_size": 235.0, "ask": 5.1, "ask_size": 122.0, "iv": 0.4719, "open_interest": 30.0, "volume": 1.0, "delta": -0.4175, "gamma": 0.0309, "vega": 0.1025, "theta": -0.0156, "rho": -0.0818, "theo": 4.7058, "change": -0.24, "open": 4.71, "high": 4.71, "low": 4.71, "tick": "down", "last_trade_price": 4.71, "last_trade_time": "2026-11-09T10:22:56", "percent_change": -4.84849, "prev_day_close": 4.95000004768372}, {"option": "GFI270416C00045000", "bid": 2.9, "bid_size": 541.0, "ask": 4.8, "ask_size": 442.0, "iv": 0.4947, "open_interest": 533.0, "volume": 13.0, "delta": 0.4758, "gamma": 0.0328, "vega": 0.1038, "theta": -0.0163, "rho": 0.0587, "theo": 3.7615, "change": 1.05, "open": 4.0, "high": 4.0, "low": 4.0, "tick": "up", "last_trade_price": 4.0, "last_trade_time": "2026-11-09T15:08:34", "percent_change": 35.5932, "prev_day_close": 2.95000004768372}, {"option": "GFI270416P00045000", "bid": 5.2, "bid_size": 1.0, "ask": 8.0, "ask_size": 35.0, "iv": 0.3815, "open_interest": 13.0, "volume": 0.0, "delta": -0.567, "gamma": 0.0318, "vega": 0.1037, "theta": -0.0152, "rho": -0.1134, "theo": 7.6708, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 13.0, "last_trade_time": "2026-10-30T09:59:59", "percent_change": 0.0, "prev_day_close": 8.45000004768372}, {"option": "GFI270416C00050000", "bid": 1.9, "bid_size": 644.0, "ask": 2.95, "ask_size": 488.0, "iv": 0.4924, "open_interest": 95.0, "volume": 12.0, "delta": 0.3413, "gamma": 0.0298, "vega": 0.0957, "theta": -0.0149, "rho": 0.0446, "theo": 2.3742, "change": 0.7, "open": 2.4, "high": 2.4, "low": 2.4, "tick": "no_change", "last_trade_price": 2.4, "last_trade_time": "2026-11-09T15:58:45", "percent_change": 41.1765, "prev_day_close": 1.70000004768372}, {"option": "GFI270416P00050000", "bid": 9.0, "bid_size": 6.0, "ask": 12.7, "ask_size": 62.0, "iv": 0.4356, "open_interest": 4.0, "volume": 1.0, "delta": -0.6934, "gamma": 0.0286, "vega": 0.0934, "theta": -0.013, "rho": -0.1431, "theo": 11.3159, "change": -1.78, "open": 10.87, "high": 10.87, "low": 10.87, "tick": "down", "last_trade_price": 10.87, "last_trade_time": "2026-11-09T14:54:04", "percent_change": -14.0711, "prev_day_close": 12.6499996185303}, {"option": "GFI270416C00055000", "bid": 1.05, "bid_size": 456.0, "ask": 1.95, "ask_size": 447.0, "iv": 0.491, "open_interest": 34.0, "volume": 3.0, "delta": 0.2393, "gamma": 0.0246, "vega": 0.081, "theta": -0.0126, "rho": 0.0327, "theo": 1.5061, "change": 0.35, "open": 1.4, "high": 1.4, "low": 1.4, "tick": "no_change", "last_trade_price": 1.4, "last_trade_time": "2026-11-09T09:33:36", "percent_change": 33.3333, "prev_day_close": 1.05000001192093}, {"option": "GFI270416P00055000", "bid": 13.0, "bid_size": 6.0, "ask": 16.6, "ask_size": 11.0, "iv": 0.3998, "open_interest": 46.0, "volume": 0.0, "delta": -0.7893, "gamma": 0.0236, "vega": 0.0777, "theta": -0.0101, "rho": -0.1691, "theo": 15.4402, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 18.8, "last_trade_time": "2026-10-21T13:41:00", "percent_change": 0.0, "prev_day_close": 17.2000007629395}, {"option": "GFI270416C00060000", "bid": 0.75, "bid_size": 16.0, "ask": 1.2, "ask_size": 428.0, "iv": 0.4994, "open_interest": 21.0, "volume": 1.0, "delta": 0.1666, "gamma": 0.0194, "vega": 0.0658, "theta": -0.0102, "rho": 0.0235, "theo": 0.9694, "change": 0.125, "open": 0.85, "high": 0.85, "low": 0.85, "tick": "up", "last_trade_price": 0.85, "last_trade_time": "2026-11-09T13:47:21", "percent_change": 17.2414, "prev_day_close": 0.724999994039536}, {"option": "GFI270416P00060000", "bid": 18.0, "bid_size": 9.0, "ask": 21.1, "ask_size": 13.0, "iv": 0.4407, "open_interest": 0.0, "volume": 0.0, "delta": -0.8576, "gamma": 0.0185, "vega": 0.0619, "theta": -0.007, "rho": -0.1929, "theo": 19.8705, "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": 21.3999996185303}, {"option": "GFI270416C00065000", "bid": 0.5, "bid_size": 13.0, "ask": 0.8, "ask_size": 248.0, "iv": 0.509, "open_interest": 4.0, "volume": 1.0, "delta": 0.1165, "gamma": 0.0149, "vega": 0.0514, "theta": -0.0081, "rho": 0.0168, "theo": 0.6359, "change": -0.2, "open": 0.5, "high": 0.5, "low": 0.5, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-11-09T14:22:21", "percent_change": -28.5714, "prev_day_close": 0.699999988079071}, {"option": "GFI270416P00065000", "bid": 22.5, "bid_size": 1.0, "ask": 25.8, "ask_size": 10.0, "iv": 0.4167, "open_interest": 0.0, "volume": 0.0, "delta": -0.9047, "gamma": 0.0141, "vega": 0.048, "theta": -0.0042, "rho": -0.214, "theo": 24.4887, "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": 25.9499998092651}, {"option": "GFI270416C00070000", "bid": 0.05, "bid_size": 232.0, "ask": 1.75, "ask_size": 1051.0, "iv": 0.6132, "open_interest": 12.0, "volume": 0.0, "delta": 0.0823, "gamma": 0.0113, "vega": 0.04, "theta": -0.0063, "rho": 0.0121, "theo": 0.4265, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-10-27T13:19:08", "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "GFI270416P00070000", "bid": 27.1, "bid_size": 15.0, "ask": 30.6, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9368, "gamma": 0.0106, "vega": 0.0368, "theta": -0.0017, "rho": -0.2333, "theo": 29.2207, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 26.1, "last_trade_time": "2026-08-31T10:25:07", "percent_change": 0.0, "prev_day_close": 31.4499998092651}, {"option": "GFI280121C00020000", "bid": 19.9, "bid_size": 4.0, "ask": 23.5, "ask_size": 12.0, "iv": 0.0, "open_interest": 93.0, "volume": 0.0, "delta": 0.9726, "gamma": 0.0048, "vega": 0.0387, "theta": -0.0004, "rho": 0.107, "theo": 22.1205, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 17.8, "last_trade_time": "2026-11-04T15:36:28", "percent_change": 0.0, "prev_day_close": 19.25}, {"option": "GFI280121P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 2.9, "ask_size": 12.0, "iv": 0.6498, "open_interest": 307.0, "volume": 0.0, "delta": -0.07, "gamma": 0.0057, "vega": 0.0573, "theta": -0.0036, "rho": -0.0401, "theo": 0.9484, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.93, "last_trade_time": "2026-10-30T13:12:58", "percent_change": 0.0, "prev_day_close": 1.62499997019768}, {"option": "GFI280121C00022500", "bid": 17.5, "bid_size": 21.0, "ask": 21.5, "ask_size": 14.0, "iv": 0.4347, "open_interest": 8.0, "volume": 0.0, "delta": 0.9464, "gamma": 0.0069, "vega": 0.0591, "theta": -0.0017, "rho": 0.1496, "theo": 19.9726, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 14.0, "last_trade_time": "2026-10-23T15:06:02", "percent_change": 0.0, "prev_day_close": 17.25}, {"option": "GFI280121P00022500", "bid": 0.45, "bid_size": 404.0, "ask": 2.95, "ask_size": 756.0, "iv": 0.5984, "open_interest": 53.0, "volume": 0.0, "delta": -0.0944, "gamma": 0.0075, "vega": 0.0717, "theta": -0.0043, "rho": -0.0536, "theo": 1.2956, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.8, "last_trade_time": "2026-11-06T12:06:21", "percent_change": 0.0, "prev_day_close": 1.19999998807907}, {"option": "GFI280121C00025000", "bid": 15.5, "bid_size": 386.0, "ask": 19.7, "ask_size": 300.0, "iv": 0.4736, "open_interest": 268.0, "volume": 0.0, "delta": 0.9169, "gamma": 0.0089, "vega": 0.0799, "theta": -0.0028, "rho": 0.1814, "theo": 17.9844, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 13.55, "last_trade_time": "2026-10-06T12:56:57", "percent_change": 0.0, "prev_day_close": 15.75}, {"option": "GFI280121P00025000", "bid": 0.1, "bid_size": 3.0, "ask": 2.15, "ask_size": 9.0, "iv": 0.4492, "open_interest": 49.0, "volume": 0.0, "delta": -0.1239, "gamma": 0.0094, "vega": 0.0873, "theta": -0.0051, "rho": -0.0703, "theo": 1.7413, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.3, "last_trade_time": "2026-09-09T10:13:13", "percent_change": 0.0, "prev_day_close": 1.75}, {"option": "GFI280121C00030000", "bid": 14.0, "bid_size": 232.0, "ask": 15.3, "ask_size": 307.0, "iv": 0.5186, "open_interest": 456.0, "volume": 75.0, "delta": 0.8436, "gamma": 0.013, "vega": 0.1143, "theta": -0.0048, "rho": 0.2077, "theo": 14.4186, "change": 2.37, "open": 14.55, "high": 14.77, "low": 14.55, "tick": "up", "last_trade_price": 14.77, "last_trade_time": "2026-11-09T15:59:10", "percent_change": 19.1129, "prev_day_close": 12.4000000953674}, {"option": "GFI280121P00030000", "bid": 2.5, "bid_size": 81.0, "ask": 3.5, "ask_size": 137.0, "iv": 0.4978, "open_interest": 59.0, "volume": 0.0, "delta": -0.1985, "gamma": 0.0137, "vega": 0.1185, "theta": -0.0066, "rho": -0.1118, "theo": 3.0072, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 5.1, "last_trade_time": "2026-10-30T14:12:53", "percent_change": 0.0, "prev_day_close": 3.22499990463257}, {"option": "GFI280121C00035000", "bid": 9.9, "bid_size": 319.0, "ask": 12.8, "ask_size": 281.0, "iv": 0.4765, "open_interest": 28.0, "volume": 0.0, "delta": 0.7569, "gamma": 0.0166, "vega": 0.1438, "theta": -0.0066, "rho": 0.2239, "theo": 11.4544, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.0, "last_trade_time": "2026-11-06T13:57:27", "percent_change": 0.0, "prev_day_close": 11.1999998092651}, {"option": "GFI280121P00035000", "bid": 4.3, "bid_size": 389.0, "ask": 5.6, "ask_size": 406.0, "iv": 0.4909, "open_interest": 63.0, "volume": 2.0, "delta": -0.2886, "gamma": 0.0174, "vega": 0.1454, "theta": -0.0077, "rho": -0.1629, "theo": 4.8457, "change": -0.55, "open": 5.2, "high": 5.2, "low": 4.95, "tick": "down", "last_trade_price": 4.95, "last_trade_time": "2026-11-09T10:22:56", "percent_change": -10.0, "prev_day_close": 5.5}, {"option": "GFI280121C00040000", "bid": 7.7, "bid_size": 427.0, "ask": 10.7, "ask_size": 427.0, "iv": 0.4853, "open_interest": 208.0, "volume": 0.0, "delta": 0.6649, "gamma": 0.0191, "vega": 0.1627, "theta": -0.0078, "rho": 0.2084, "theo": 9.0691, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 5.45, "last_trade_time": "2026-11-04T13:51:37", "percent_change": 0.0, "prev_day_close": 8.0}, {"option": "GFI280121P00040000", "bid": 6.8, "bid_size": 405.0, "ask": 8.0, "ask_size": 289.0, "iv": 0.4849, "open_interest": 168.0, "volume": 0.0, "delta": -0.3849, "gamma": 0.0199, "vega": 0.1629, "theta": -0.0084, "rho": -0.2205, "theo": 7.276, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 9.9, "last_trade_time": "2026-09-30T15:40:24", "percent_change": 0.0, "prev_day_close": 8.04999995231628}, {"option": "GFI280121C00045000", "bid": 6.2, "bid_size": 22.0, "ask": 8.5, "ask_size": 393.0, "iv": 0.4848, "open_interest": 95.0, "volume": 0.0, "delta": 0.5754, "gamma": 0.0202, "vega": 0.1722, "theta": -0.0085, "rho": 0.1879, "theo": 7.1973, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.9, "last_trade_time": "2026-11-04T10:52:18", "percent_change": 0.0, "prev_day_close": 6.60000014305115}, {"option": "GFI280121P00045000", "bid": 9.6, "bid_size": 2.0, "ask": 11.3, "ask_size": 12.0, "iv": 0.4883, "open_interest": 52.0, "volume": 0.0, "delta": -0.4782, "gamma": 0.021, "vega": 0.1704, "theta": -0.0085, "rho": -0.2768, "theo": 10.2397, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 15.0, "last_trade_time": "2026-10-30T13:33:52", "percent_change": 0.0, "prev_day_close": 11.3499999046326}, {"option": "GFI280121C00050000", "bid": 5.6, "bid_size": 6.0, "ask": 6.7, "ask_size": 330.0, "iv": 0.5007, "open_interest": 307.0, "volume": 75.0, "delta": 0.4937, "gamma": 0.0203, "vega": 0.1737, "theta": -0.0088, "rho": 0.1661, "theo": 5.7506, "change": 0.92, "open": 6.15, "high": 6.15, "low": 6.02, "tick": "down", "last_trade_price": 6.02, "last_trade_time": "2026-11-09T15:59:10", "percent_change": 18.0392, "prev_day_close": 5.10000014305115}, {"option": "GFI280121P00050000", "bid": 12.5, "bid_size": 10.0, "ask": 15.8, "ask_size": 71.0, "iv": 0.5074, "open_interest": 58.0, "volume": 0.0, "delta": -0.5639, "gamma": 0.0212, "vega": 0.1688, "theta": -0.0082, "rho": -0.3188, "theo": 13.6489, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 20.96, "last_trade_time": "2026-07-23T14:54:28", "percent_change": 0.0, "prev_day_close": 15.4499998092651}, {"option": "GFI280121C00055000", "bid": 3.8, "bid_size": 19.0, "ask": 5.7, "ask_size": 18.0, "iv": 0.4881, "open_interest": 35.0, "volume": 0.0, "delta": 0.4223, "gamma": 0.0197, "vega": 0.1694, "theta": -0.0088, "rho": 0.1452, "theo": 4.6368, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.5, "last_trade_time": "2026-10-28T13:09:52", "percent_change": 0.0, "prev_day_close": 4.29999995231628}, {"option": "GFI280121P00055000", "bid": 16.0, "bid_size": 9.0, "ask": 19.5, "ask_size": 18.0, "iv": 0.502, "open_interest": 16.0, "volume": 0.0, "delta": -0.6407, "gamma": 0.0207, "vega": 0.1599, "theta": -0.0077, "rho": -0.3383, "theo": 17.4186, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 25.0, "last_trade_time": "2026-07-29T11:39:15", "percent_change": 0.0, "prev_day_close": 19.4499998092651}, {"option": "GFI280121C00060000", "bid": 3.1, "bid_size": 6.0, "ask": 4.8, "ask_size": 12.0, "iv": 0.4967, "open_interest": 20.0, "volume": 0.0, "delta": 0.3613, "gamma": 0.0186, "vega": 0.1615, "theta": -0.0085, "rho": 0.1262, "theo": 3.7763, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.15, "last_trade_time": "2026-10-27T15:00:22", "percent_change": 0.0, "prev_day_close": 3.29999995231628}, {"option": "GFI280121P00060000", "bid": 19.9, "bid_size": 7.0, "ask": 23.8, "ask_size": 13.0, "iv": 0.5114, "open_interest": 463.0, "volume": 0.0, "delta": -0.7078, "gamma": 0.0197, "vega": 0.1467, "theta": -0.0069, "rho": -0.3488, "theo": 21.4741, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 20.2, "last_trade_time": "2026-08-31T10:24:26", "percent_change": 0.0, "prev_day_close": 23.4500007629395}, {"option": "GFI280121C00065000", "bid": 2.35, "bid_size": 8.0, "ask": 4.0, "ask_size": 9.0, "iv": 0.4956, "open_interest": 13.0, "volume": 0.0, "delta": 0.3099, "gamma": 0.0172, "vega": 0.1517, "theta": -0.0081, "rho": 0.1096, "theo": 3.1065, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.0, "last_trade_time": "2026-09-23T10:17:45", "percent_change": 0.0, "prev_day_close": 2.57500004768372}, {"option": "GFI280121P00065000", "bid": 23.8, "bid_size": 2.0, "ask": 28.1, "ask_size": 10.0, "iv": 0.5063, "open_interest": 88.0, "volume": 0.0, "delta": -0.7651, "gamma": 0.0182, "vega": 0.1298, "theta": -0.0058, "rho": -0.3481, "theo": 25.7507, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 26.98, "last_trade_time": "2026-08-10T14:31:28", "percent_change": 0.0, "prev_day_close": 27.6499996185303}, {"option": "GFI280121C00070000", "bid": 2.0, "bid_size": 375.0, "ask": 3.2, "ask_size": 666.0, "iv": 0.4977, "open_interest": 827.0, "volume": 0.0, "delta": 0.2668, "gamma": 0.0158, "vega": 0.141, "theta": -0.0076, "rho": 0.0952, "theo": 2.58, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.92, "last_trade_time": "2026-11-06T10:32:12", "percent_change": 0.0, "prev_day_close": 2.19999992847443}, {"option": "GFI280121P00070000", "bid": 28.0, "bid_size": 12.0, "ask": 32.1, "ask_size": 12.0, "iv": 0.4831, "open_interest": 90.0, "volume": 0.0, "delta": -0.813, "gamma": 0.0165, "vega": 0.1118, "theta": -0.0046, "rho": -0.343, "theo": 30.1923, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 35.3, "last_trade_time": "2026-10-07T10:18:05", "percent_change": 0.0, "prev_day_close": 32.2000007629394}, {"option": "GFI290119C00020000", "bid": 20.3, "bid_size": 50.0, "ask": 24.5, "ask_size": 49.0, "iv": 0.5171, "open_interest": 2.0, "volume": 0.0, "delta": 0.9862, "gamma": 0.0054, "vega": 0.0727, "theta": 0.0, "rho": 0.2553, "theo": 22.568, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 20.2, "last_trade_time": "2026-11-06T12:02:15", "percent_change": 0.0, "prev_day_close": 20.4499998092651}, {"option": "GFI290119P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 3.6, "ask_size": 144.0, "iv": 0.5293, "open_interest": 10.0, "volume": 0.0, "delta": -0.0995, "gamma": 0.0063, "vega": 0.0943, "theta": -0.003, "rho": -0.1147, "theo": 1.923, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.0, "last_trade_time": "2026-10-19T10:09:06", "percent_change": 0.0, "prev_day_close": 1.87499995529652}, {"option": "GFI290119C00022500", "bid": 18.7, "bid_size": 94.0, "ask": 22.5, "ask_size": 69.0, "iv": 0.5127, "open_interest": 2.0, "volume": 0.0, "delta": 0.9593, "gamma": 0.007, "vega": 0.0927, "theta": -0.0008, "rho": 0.2792, "theo": 20.7374, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 18.94, "last_trade_time": "2026-11-06T14:37:49", "percent_change": 0.0, "prev_day_close": 19.25}, {"option": "GFI290119P00022500", "bid": 0.6, "bid_size": 1.0, "ask": 3.8, "ask_size": 9.0, "iv": 0.5001, "open_interest": 6.0, "volume": 0.0, "delta": -0.1261, "gamma": 0.0077, "vega": 0.1117, "theta": -0.0034, "rho": -0.1461, "theo": 2.5033, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.1, "last_trade_time": "2026-11-02T11:16:30", "percent_change": 0.0, "prev_day_close": 2.47499999403954}, {"option": "GFI290119C00025000", "bid": 17.0, "bid_size": 19.0, "ask": 21.5, "ask_size": 50.0, "iv": 0.534, "open_interest": 2.0, "volume": 0.0, "delta": 0.9289, "gamma": 0.0085, "vega": 0.1137, "theta": -0.0016, "rho": 0.2986, "theo": 19.0502, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 13.9, "last_trade_time": "2026-10-23T14:58:46", "percent_change": 0.0, "prev_day_close": 17.5}, {"option": "GFI290119P00025000", "bid": 1.0, "bid_size": 115.0, "ask": 4.5, "ask_size": 7.0, "iv": 0.481, "open_interest": 3.0, "volume": 0.0, "delta": -0.156, "gamma": 0.0091, "vega": 0.1291, "theta": -0.0038, "rho": -0.1821, "theo": 3.2034, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.8, "last_trade_time": "2026-10-28T13:27:41", "percent_change": 0.0, "prev_day_close": 3.32500004768372}, {"option": "GFI290119C00030000", "bid": 14.4, "bid_size": 61.0, "ask": 18.4, "ask_size": 11.0, "iv": 0.519, "open_interest": 19.0, "volume": 0.0, "delta": 0.8633, "gamma": 0.0112, "vega": 0.1556, "theta": -0.003, "rho": 0.3504, "theo": 16.1471, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.6, "last_trade_time": "2026-11-02T10:28:01", "percent_change": 0.0, "prev_day_close": 14.75}, {"option": "GFI290119P00030000", "bid": 3.0, "bid_size": 15.0, "ask": 6.6, "ask_size": 8.0, "iv": 0.4932, "open_interest": 0.0, "volume": 0.0, "delta": -0.2216, "gamma": 0.0116, "vega": 0.1608, "theta": -0.0045, "rho": -0.2646, "theo": 4.955, "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": "GFI290119C00035000", "bid": 12.3, "bid_size": 162.0, "ask": 15.9, "ask_size": 149.0, "iv": 0.5144, "open_interest": 6.0, "volume": 0.0, "delta": 0.795, "gamma": 0.0133, "vega": 0.1845, "theta": -0.004, "rho": 0.3646, "theo": 13.7662, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.5, "last_trade_time": "2026-11-06T13:39:33", "percent_change": 0.0, "prev_day_close": 12.7000002861023}, {"option": "GFI290119P00035000", "bid": 5.5, "bid_size": 384.0, "ask": 8.9, "ask_size": 266.0, "iv": 0.4977, "open_interest": 15.0, "volume": 0.0, "delta": -0.2911, "gamma": 0.0137, "vega": 0.1863, "theta": -0.005, "rho": -0.3577, "theo": 7.1753, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.46, "last_trade_time": "2026-10-30T15:18:47", "percent_change": 0.0, "prev_day_close": 8.0}, {"option": "GFI290119C00040000", "bid": 10.3, "bid_size": 222.0, "ask": 13.8, "ask_size": 201.0, "iv": 0.5054, "open_interest": 40.0, "volume": 6.0, "delta": 0.7282, "gamma": 0.0148, "vega": 0.2038, "theta": -0.0048, "rho": 0.3525, "theo": 11.8247, "change": 1.8, "open": 11.5, "high": 12.1, "low": 11.5, "tick": "up", "last_trade_price": 12.1, "last_trade_time": "2026-11-09T10:55:00", "percent_change": 17.4757, "prev_day_close": 10.3000001907349}, {"option": "GFI290119P00040000", "bid": 8.0, "bid_size": 382.0, "ask": 11.5, "ask_size": 264.0, "iv": 0.4912, "open_interest": 9.0, "volume": 0.0, "delta": -0.36, "gamma": 0.0151, "vega": 0.2044, "theta": -0.0053, "rho": -0.4579, "theo": 9.8153, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.8, "last_trade_time": "2026-11-02T09:56:47", "percent_change": 0.0, "prev_day_close": 10.8499999046326}, {"option": "GFI290119C00045000", "bid": 8.5, "bid_size": 243.0, "ask": 12.1, "ask_size": 233.0, "iv": 0.4983, "open_interest": 5.0, "volume": 0.0, "delta": 0.6647, "gamma": 0.0156, "vega": 0.2164, "theta": -0.0054, "rho": 0.3337, "theo": 10.2279, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.83, "last_trade_time": "2026-10-26T14:58:23", "percent_change": 0.0, "prev_day_close": 9.15000009536743}, {"option": "GFI290119P00045000", "bid": 10.8, "bid_size": 337.0, "ask": 14.3, "ask_size": 171.0, "iv": 0.4831, "open_interest": 1.0, "volume": 0.0, "delta": -0.4249, "gamma": 0.016, "vega": 0.2157, "theta": -0.0053, "rho": -0.5615, "theo": 12.8079, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 15.47, "last_trade_time": "2026-10-23T14:09:14", "percent_change": 0.0, "prev_day_close": 13.9000000953674}, {"option": "GFI290119C00050000", "bid": 7.0, "bid_size": 86.0, "ask": 10.5, "ask_size": 11.0, "iv": 0.4899, "open_interest": 0.0, "volume": 0.0, "delta": 0.6062, "gamma": 0.0161, "vega": 0.2234, "theta": -0.0059, "rho": 0.3129, "theo": 8.9122, "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": 8.09999990463257}, {"option": "GFI290119P00050000", "bid": 14.3, "bid_size": 37.0, "ask": 17.6, "ask_size": 53.0, "iv": 0.4908, "open_interest": 1.0, "volume": 0.0, "delta": -0.4846, "gamma": 0.0163, "vega": 0.2208, "theta": -0.0051, "rho": -0.6225, "theo": 16.0902, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 17.34, "last_trade_time": "2026-11-06T14:38:39", "percent_change": 0.0, "prev_day_close": 17.1499996185303}, {"option": "GFI290119C00055000", "bid": 6.0, "bid_size": 91.0, "ask": 9.5, "ask_size": 47.0, "iv": 0.497, "open_interest": 5.0, "volume": 0.0, "delta": 0.5532, "gamma": 0.0162, "vega": 0.2261, "theta": -0.0061, "rho": 0.2921, "theo": 7.8225, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.3, "last_trade_time": "2026-10-30T09:33:19", "percent_change": 0.0, "prev_day_close": 7.15000009536743}, {"option": "GFI290119P00055000", "bid": 17.5, "bid_size": 11.0, "ask": 21.0, "ask_size": 10.0, "iv": 0.4826, "open_interest": 1.0, "volume": 0.0, "delta": -0.5402, "gamma": 0.0164, "vega": 0.22, "theta": -0.0048, "rho": -0.6754, "theo": 19.6352, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 21.98, "last_trade_time": "2026-10-20T15:37:38", "percent_change": 0.0, "prev_day_close": 21.1499996185303}, {"option": "GFI290119C00060000", "bid": 5.0, "bid_size": 95.0, "ask": 8.4, "ask_size": 11.0, "iv": 0.4941, "open_interest": 0.0, "volume": 0.0, "delta": 0.5056, "gamma": 0.016, "vega": 0.2256, "theta": -0.0062, "rho": 0.2717, "theo": 6.9138, "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": "GFI290119P00060000", "bid": 21.5, "bid_size": 8.0, "ask": 25.2, "ask_size": 12.0, "iv": 0.5015, "open_interest": 1.0, "volume": 0.0, "delta": -0.5928, "gamma": 0.0167, "vega": 0.2145, "theta": -0.0045, "rho": -0.7123, "theo": 23.3947, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 22.8, "last_trade_time": "2026-09-18T15:25:37", "percent_change": 0.0, "prev_day_close": 25.25}, {"option": "GFI290119C00065000", "bid": 4.4, "bid_size": 300.0, "ask": 7.9, "ask_size": 292.0, "iv": 0.5072, "open_interest": 8.0, "volume": 0.0, "delta": 0.4631, "gamma": 0.0157, "vega": 0.2228, "theta": -0.0063, "rho": 0.2524, "theo": 6.1494, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 5.4, "last_trade_time": "2026-11-06T14:35:34", "percent_change": 0.0, "prev_day_close": 5.29999995231628}, {"option": "GFI290119P00065000", "bid": 25.5, "bid_size": 7.0, "ask": 29.6, "ask_size": 8.0, "iv": 0.5167, "open_interest": 2.0, "volume": 0.0, "delta": -0.6442, "gamma": 0.0171, "vega": 0.204, "theta": -0.0043, "rho": -0.6781, "theo": 27.3564, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 31.43, "last_trade_time": "2026-09-28T12:04:58", "percent_change": 0.0, "prev_day_close": 29.5}, {"option": "GFI1270115C00003000", "bid": 37.5, "bid_size": 889.0, "ask": 39.2, "ask_size": 859.0, "iv": 2.7938, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 38.3187, "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": 35.9500007629394}, {"option": "GFI1270115P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1677.0, "iv": 4.087, "open_interest": 0.0, "volume": 0.0, "delta": -0.0002, "gamma": 0.0, "vega": 0.0002, "theta": -0.0002, "rho": 0.0, "theo": 0.0027, "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": "GFI1270115C00005000", "bid": 35.5, "bid_size": 889.0, "ask": 37.6, "ask_size": 859.0, "iv": 2.8831, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0001, "vega": 0.0002, "theta": 0.0, "rho": 0.0017, "theo": 36.3198, "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": 34.0500011444092}, {"option": "GFI1270115P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1677.0, "iv": 3.1601, "open_interest": 0.0, "volume": 0.0, "delta": -0.0005, "gamma": 0.0001, "vega": 0.0003, "theta": -0.0004, "rho": 0.0, "theo": 0.0044, "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": "GFI1270115C00008000", "bid": 32.5, "bid_size": 889.0, "ask": 34.2, "ask_size": 859.0, "iv": 1.5964, "open_interest": 0.0, "volume": 0.0, "delta": 0.9983, "gamma": 0.0002, "vega": 0.0006, "theta": 0.0, "rho": 0.0075, "theo": 33.3304, "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": 31.0}, {"option": "GFI1270115P00008000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1677.0, "iv": 2.4183, "open_interest": 0.0, "volume": 0.0, "delta": -0.001, "gamma": 0.0001, "vega": 0.0006, "theta": -0.0006, "rho": -0.0001, "theo": 0.008, "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": "GFI1270115C00010000", "bid": 30.5, "bid_size": 889.0, "ask": 32.2, "ask_size": 859.0, "iv": 1.3164, "open_interest": 0.0, "volume": 0.0, "delta": 0.9972, "gamma": 0.0003, "vega": 0.001, "theta": 0.0, "rho": 0.0131, "theo": 31.3435, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 36.55, "last_trade_time": "2026-03-13T13:01:14", "percent_change": 0.0, "prev_day_close": 29.1500005722046}, {"option": "GFI1270115P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1750.0, "iv": 2.0907, "open_interest": 0.0, "volume": 0.0, "delta": -0.0016, "gamma": 0.0002, "vega": 0.0009, "theta": -0.0008, "rho": -0.0001, "theo": 0.0116, "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": "GFI1270115C00012000", "bid": 28.6, "bid_size": 889.0, "ask": 30.2, "ask_size": 859.0, "iv": 1.3202, "open_interest": 2.0, "volume": 0.0, "delta": 0.996, "gamma": 0.0004, "vega": 0.0014, "theta": 0.0, "rho": 0.0187, "theo": 29.3612, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 34.4, "last_trade_time": "2026-09-10T15:25:33", "percent_change": 0.0, "prev_day_close": 27.0499992370605}, {"option": "GFI1270115P00012000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1760.0, "iv": 1.8315, "open_interest": 3.0, "volume": 0.0, "delta": -0.0025, "gamma": 0.0004, "vega": 0.0014, "theta": -0.0011, "rho": -0.0002, "theo": 0.0166, "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": "GFI1270115C00015000", "bid": 25.6, "bid_size": 889.0, "ask": 27.1, "ask_size": 859.0, "iv": 0.0, "open_interest": 8.0, "volume": 0.0, "delta": 0.9936, "gamma": 0.0008, "vega": 0.0024, "theta": 0.0, "rho": 0.0262, "theo": 26.3956, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 31.32, "last_trade_time": "2026-09-10T15:25:33", "percent_change": 0.0, "prev_day_close": 24.1499996185303}, {"option": "GFI1270115P00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1766.0, "iv": 1.5223, "open_interest": 10.0, "volume": 0.0, "delta": -0.0047, "gamma": 0.0008, "vega": 0.0024, "theta": -0.0017, "rho": -0.0004, "theo": 0.0283, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-05-29T15:19:47", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115C00017000", "bid": 23.6, "bid_size": 890.0, "ask": 25.3, "ask_size": 859.0, "iv": 0.9938, "open_interest": 8.0, "volume": 0.0, "delta": 0.9912, "gamma": 0.0012, "vega": 0.0034, "theta": 0.0, "rho": 0.0306, "theo": 24.4242, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 26.89, "last_trade_time": "2026-09-15T09:53:00", "percent_change": 0.0, "prev_day_close": 22.25}, {"option": "GFI1270115P00017000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1770.0, "iv": 1.3518, "open_interest": 22.0, "volume": 0.0, "delta": -0.0069, "gamma": 0.0012, "vega": 0.0034, "theta": -0.0023, "rho": -0.0006, "theo": 0.0403, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.43, "last_trade_time": "2026-07-08T11:37:36", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115C00020000", "bid": 20.6, "bid_size": 945.0, "ask": 22.2, "ask_size": 907.0, "iv": 0.0, "open_interest": 50.0, "volume": 0.0, "delta": 0.9856, "gamma": 0.0022, "vega": 0.0057, "theta": -0.001, "rho": 0.0363, "theo": 21.4784, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 16.5, "last_trade_time": "2026-10-06T12:29:55", "percent_change": 0.0, "prev_day_close": 19.1999998092651}, {"option": "GFI1270115P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 0.65, "ask_size": 1661.0, "iv": 1.0972, "open_interest": 226.0, "volume": 0.0, "delta": -0.0124, "gamma": 0.0022, "vega": 0.0057, "theta": -0.0034, "rho": -0.001, "theo": 0.0688, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.6, "last_trade_time": "2026-07-24T14:35:10", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115C00022000", "bid": 18.6, "bid_size": 889.0, "ask": 20.3, "ask_size": 859.0, "iv": 0.6302, "open_interest": 5.0, "volume": 0.0, "delta": 0.9798, "gamma": 0.0033, "vega": 0.0079, "theta": -0.0022, "rho": 0.0397, "theo": 19.5257, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 23.88, "last_trade_time": "2026-09-10T14:57:14", "percent_change": 0.0, "prev_day_close": 17.1999998092651}, {"option": "GFI1270115P00022000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1624.0, "iv": 1.0038, "open_interest": 8.0, "volume": 0.0, "delta": -0.0183, "gamma": 0.0033, "vega": 0.0079, "theta": -0.0044, "rho": -0.0015, "theo": 0.0987, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-08-31T09:32:04", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115C00025000", "bid": 15.7, "bid_size": 890.0, "ask": 17.2, "ask_size": 859.0, "iv": 0.0, "open_interest": 19.0, "volume": 0.0, "delta": 0.9657, "gamma": 0.0058, "vega": 0.0128, "theta": -0.0046, "rho": 0.0442, "theo": 16.6244, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 21.1, "last_trade_time": "2026-09-10T14:57:14", "percent_change": 0.0, "prev_day_close": 14.25}, {"option": "GFI1270115P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1660.0, "iv": 0.831, "open_interest": 115.0, "volume": 0.0, "delta": -0.0324, "gamma": 0.0058, "vega": 0.0128, "theta": -0.0066, "rho": -0.0027, "theo": 0.1713, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.4, "last_trade_time": "2026-10-07T10:27:52", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115C00030000", "bid": 10.9, "bid_size": 1006.0, "ask": 12.4, "ask_size": 1057.0, "iv": 0.4722, "open_interest": 159.0, "volume": 0.0, "delta": 0.9161, "gamma": 0.0141, "vega": 0.0268, "theta": -0.0106, "rho": 0.0494, "theo": 11.9347, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.5, "last_trade_time": "2026-10-30T15:49:23", "percent_change": 0.0, "prev_day_close": 9.5}, {"option": "GFI1270115P00030000", "bid": 0.1, "bid_size": 671.0, "ask": 0.45, "ask_size": 1124.0, "iv": 0.5374, "open_interest": 310.0, "volume": 0.0, "delta": -0.0823, "gamma": 0.0142, "vega": 0.0269, "theta": -0.012, "rho": -0.0066, "theo": 0.4391, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.6, "last_trade_time": "2026-11-05T10:15:24", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "GFI1270115C00035000", "bid": 7.0, "bid_size": 1117.0, "ask": 7.9, "ask_size": 524.0, "iv": 0.4916, "open_interest": 177.0, "volume": 14.0, "delta": 0.8054, "gamma": 0.0288, "vega": 0.0483, "theta": -0.0184, "rho": 0.0488, "theo": 7.6628, "change": 1.65, "open": 7.36, "high": 7.36, "low": 7.3, "tick": "down", "last_trade_price": 7.3, "last_trade_time": "2026-11-09T15:57:14", "percent_change": 29.2035, "prev_day_close": 5.64999985694885}, {"option": "GFI1270115P00035000", "bid": 0.6, "bid_size": 42.0, "ask": 1.35, "ask_size": 826.0, "iv": 0.5048, "open_interest": 20.0, "volume": 0.0, "delta": -0.1939, "gamma": 0.029, "vega": 0.0485, "theta": -0.0193, "rho": -0.0154, "theo": 1.1276, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.15, "last_trade_time": "2026-09-08T09:44:17", "percent_change": 0.0, "prev_day_close": 1.59999996423721}, {"option": "GFI1270115C00040000", "bid": 3.5, "bid_size": 1403.0, "ask": 4.7, "ask_size": 726.0, "iv": 0.4727, "open_interest": 1190.0, "volume": 0.0, "delta": 0.6136, "gamma": 0.0434, "vega": 0.0672, "theta": -0.0245, "rho": 0.0402, "theo": 4.2649, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.17, "last_trade_time": "2026-11-05T10:15:44", "percent_change": 0.0, "prev_day_close": 2.89999997615814}, {"option": "GFI1270115P00040000", "bid": 2.2, "bid_size": 233.0, "ask": 3.2, "ask_size": 568.0, "iv": 0.4974, "open_interest": 107.0, "volume": 0.0, "delta": -0.3879, "gamma": 0.044, "vega": 0.0674, "theta": -0.025, "rho": -0.0296, "theo": 2.6989, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.68, "last_trade_time": "2026-11-05T10:15:35", "percent_change": 0.0, "prev_day_close": 3.85000002384186}, {"option": "GFI1270115C00045000", "bid": 1.55, "bid_size": 406.0, "ask": 2.35, "ask_size": 308.0, "iv": 0.4626, "open_interest": 86.0, "volume": 0.0, "delta": 0.3919, "gamma": 0.0447, "vega": 0.0676, "theta": -0.0242, "rho": 0.0268, "theo": 2.0975, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.45, "last_trade_time": "2026-10-30T09:33:16", "percent_change": 0.0, "prev_day_close": 1.32499998807907}, {"option": "GFI1270115P00045000", "bid": 4.9, "bid_size": 140.0, "ask": 6.1, "ask_size": 135.0, "iv": 0.4819, "open_interest": 45.0, "volume": 0.0, "delta": -0.6137, "gamma": 0.0458, "vega": 0.0671, "theta": -0.0244, "rho": -0.0431, "theo": 5.5174, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.38, "last_trade_time": "2026-10-21T10:57:56", "percent_change": 0.0, "prev_day_close": 7.25}, {"option": "GFI1270115C00050000", "bid": 0.5, "bid_size": 694.0, "ask": 1.2, "ask_size": 537.0, "iv": 0.4644, "open_interest": 223.0, "volume": 0.0, "delta": 0.2211, "gamma": 0.0342, "vega": 0.0524, "theta": -0.0189, "rho": 0.0154, "theo": 0.982, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.45, "last_trade_time": "2026-11-05T15:50:15", "percent_change": 0.0, "prev_day_close": 0.475000012665987}, {"option": "GFI1270115P00050000", "bid": 8.5, "bid_size": 378.0, "ask": 10.2, "ask_size": 385.0, "iv": 0.4783, "open_interest": 181.0, "volume": 0.0, "delta": -0.7902, "gamma": 0.0358, "vega": 0.0503, "theta": -0.0189, "rho": -0.0478, "theo": 9.4095, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 15.5, "last_trade_time": "2026-10-23T10:31:46", "percent_change": 0.0, "prev_day_close": 11.4500002861023}, {"option": "GFI1270115C00055000", "bid": 0.05, "bid_size": 1210.0, "ask": 0.75, "ask_size": 564.0, "iv": 0.4854, "open_interest": 67.0, "volume": 0.0, "delta": 0.1193, "gamma": 0.0222, "vega": 0.0352, "theta": -0.013, "rho": 0.0084, "theo": 0.4675, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.75, "last_trade_time": "2026-08-28T13:46:28", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00055000", "bid": 13.1, "bid_size": 272.0, "ask": 14.9, "ask_size": 293.0, "iv": 0.5298, "open_interest": 7.0, "volume": 0.0, "delta": -0.8983, "gamma": 0.0243, "vega": 0.0305, "theta": -0.0127, "rho": -0.0411, "theo": 13.923, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 20.2, "last_trade_time": "2026-06-09T11:04:03", "percent_change": 0.0, "prev_day_close": 16.2000002861023}, {"option": "GFI1270115C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 907.0, "iv": 0.5811, "open_interest": 151.0, "volume": 0.0, "delta": 0.0648, "gamma": 0.0136, "vega": 0.0224, "theta": -0.0085, "rho": 0.0046, "theo": 0.2329, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.21, "last_trade_time": "2026-11-05T10:16:06", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00060000", "bid": 17.9, "bid_size": 723.0, "ask": 19.8, "ask_size": 693.0, "iv": 0.5868, "open_interest": 0.0, "volume": 0.0, "delta": -0.9594, "gamma": 0.0163, "vega": 0.0152, "theta": -0.0081, "rho": -0.0243, "theo": 18.7327, "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": 21.1500005722046}, {"option": "GFI1270115C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 777.0, "iv": 0.6718, "open_interest": 50.0, "volume": 0.0, "delta": 0.0361, "gamma": 0.0082, "vega": 0.0141, "theta": -0.0055, "rho": 0.0025, "theo": 0.1221, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.29, "last_trade_time": "2026-11-05T10:15:23", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00065000", "bid": 22.5, "bid_size": 723.0, "ask": 24.8, "ask_size": 693.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9923, "gamma": 0.0088, "vega": 0.0014, "theta": -0.0037, "rho": 0.0, "theo": 23.6813, "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": 26.2000007629395}, {"option": "GFI1270115C00070000", "bid": 0.0, "bid_size": 0.0, "ask": 0.4, "ask_size": 1644.0, "iv": 0.6678, "open_interest": 478.0, "volume": 0.0, "delta": 0.0208, "gamma": 0.005, "vega": 0.0089, "theta": -0.0036, "rho": 0.0015, "theo": 0.0672, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.22, "last_trade_time": "2026-08-26T09:59:38", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00070000", "bid": 27.9, "bid_size": 723.0, "ask": 29.8, "ask_size": 693.0, "iv": 0.7686, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0037, "rho": 0.0, "theo": 28.6813, "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": 31.2000007629394}, {"option": "GFI1270115C00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 768.0, "iv": 0.826, "open_interest": 11.0, "volume": 0.0, "delta": 0.0124, "gamma": 0.0031, "vega": 0.0057, "theta": -0.0023, "rho": 0.0009, "theo": 0.0386, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.19, "last_trade_time": "2026-10-29T10:17:11", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00075000", "bid": 32.9, "bid_size": 723.0, "ask": 34.8, "ask_size": 693.0, "iv": 0.8475, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0037, "rho": 0.0, "theo": 33.6813, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 30.8, "last_trade_time": "2026-04-22T13:26:13", "percent_change": 0.0, "prev_day_close": 36.2000007629394}, {"option": "GFI1270115C00080000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 975.0, "iv": 0.8928, "open_interest": 9.0, "volume": 0.0, "delta": 0.0076, "gamma": 0.002, "vega": 0.0038, "theta": -0.0016, "rho": 0.0005, "theo": 0.0231, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.85, "last_trade_time": "2026-04-10T15:13:17", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00080000", "bid": 37.9, "bid_size": 723.0, "ask": 39.8, "ask_size": 693.0, "iv": 0.9202, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0037, "rho": 0.0, "theo": 38.6813, "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": 41.1499996185303}, {"option": "GFI1270115C00085000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 998.0, "iv": 0.9542, "open_interest": 3.0, "volume": 0.0, "delta": 0.0048, "gamma": 0.0013, "vega": 0.0025, "theta": -0.0011, "rho": 0.0003, "theo": 0.0142, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-10-05T10:36:39", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00085000", "bid": 42.9, "bid_size": 723.0, "ask": 44.8, "ask_size": 693.0, "iv": 0.9877, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0037, "rho": 0.0, "theo": 43.6813, "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": 46.1499996185303}, {"option": "GFI1270115C00090000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1023.0, "iv": 1.0111, "open_interest": 93.0, "volume": 0.0, "delta": 0.0031, "gamma": 0.0008, "vega": 0.0017, "theta": -0.0007, "rho": 0.0002, "theo": 0.009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.2, "last_trade_time": "2026-09-28T14:44:21", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270115P00090000", "bid": 47.9, "bid_size": 723.0, "ask": 49.8, "ask_size": 693.0, "iv": 1.0508, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0037, "rho": 0.0, "theo": 48.6813, "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": 51.1499996185303}, {"option": "GFI1270319C00025000", "bid": 15.6, "bid_size": 968.0, "ask": 17.8, "ask_size": 932.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9673, "gamma": 0.0062, "vega": 0.0212, "theta": -0.0027, "rho": 0.0749, "theo": 17.1883, "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": 14.3000001907349}, {"option": "GFI1270319P00025000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 858.0, "iv": 0.6168, "open_interest": 0.0, "volume": 0.0, "delta": -0.0607, "gamma": 0.0085, "vega": 0.0286, "theta": -0.0064, "rho": -0.01, "theo": 0.4205, "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": 0.524999976158142}, {"option": "GFI1270319C00030000", "bid": 11.2, "bid_size": 1105.0, "ask": 13.2, "ask_size": 595.0, "iv": 0.3901, "open_interest": 319.0, "volume": 0.0, "delta": 0.9077, "gamma": 0.0139, "vega": 0.0395, "theta": -0.0073, "rho": 0.0828, "theo": 12.6829, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.05, "last_trade_time": "2026-06-26T13:33:45", "percent_change": 0.0, "prev_day_close": 9.84999990463257}, {"option": "GFI1270319P00030000", "bid": 0.35, "bid_size": 18.0, "ask": 1.5, "ask_size": 559.0, "iv": 0.5282, "open_interest": 1.0, "volume": 0.0, "delta": -0.1337, "gamma": 0.0168, "vega": 0.0514, "theta": -0.0105, "rho": -0.0223, "theo": 0.9929, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.8, "last_trade_time": "2026-08-04T12:29:43", "percent_change": 0.0, "prev_day_close": 1.47500002384186}, {"option": "GFI1270319C00035000", "bid": 8.0, "bid_size": 742.0, "ask": 9.5, "ask_size": 520.0, "iv": 0.5128, "open_interest": 101.0, "volume": 4.0, "delta": 0.7963, "gamma": 0.0247, "vega": 0.0687, "theta": -0.0126, "rho": 0.0795, "theo": 8.7043, "change": 2.21, "open": 8.66, "high": 8.66, "low": 8.66, "tick": "down", "last_trade_price": 8.66, "last_trade_time": "2026-11-09T15:53:00", "percent_change": 34.2636, "prev_day_close": 6.45000004768372}, {"option": "GFI1270319P00035000", "bid": 1.6, "bid_size": 390.0, "ask": 3.6, "ask_size": 654.0, "iv": 0.5616, "open_interest": 101.0, "volume": 0.0, "delta": -0.2574, "gamma": 0.027, "vega": 0.0766, "theta": -0.0147, "rho": -0.0437, "theo": 2.1706, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 5.9, "last_trade_time": "2026-03-20T13:14:41", "percent_change": 0.0, "prev_day_close": 2.65000003576279}, {"option": "GFI1270319C00040000", "bid": 5.0, "bid_size": 969.0, "ask": 6.5, "ask_size": 458.0, "iv": 0.5099, "open_interest": 9.0, "volume": 0.0, "delta": 0.6372, "gamma": 0.0335, "vega": 0.0874, "theta": -0.0167, "rho": 0.0712, "theo": 5.5578, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.1, "last_trade_time": "2026-10-19T13:14:02", "percent_change": 0.0, "prev_day_close": 4.07499992847443}, {"option": "GFI1270319P00040000", "bid": 3.7, "bid_size": 28.0, "ask": 4.9, "ask_size": 236.0, "iv": 0.4972, "open_interest": 0.0, "volume": 0.0, "delta": -0.4192, "gamma": 0.0339, "vega": 0.0929, "theta": -0.017, "rho": -0.0735, "theo": 4.2129, "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": "GFI1270319C00045000", "bid": 2.5, "bid_size": 1009.0, "ask": 4.3, "ask_size": 259.0, "iv": 0.4848, "open_interest": 37.0, "volume": 0.0, "delta": 0.4664, "gamma": 0.0357, "vega": 0.0934, "theta": -0.0176, "rho": 0.052, "theo": 3.3756, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.6, "last_trade_time": "2026-09-23T14:03:17", "percent_change": 0.0, "prev_day_close": 2.39999997615814}, {"option": "GFI1270319P00045000", "bid": 6.0, "bid_size": 2.0, "ask": 7.8, "ask_size": 39.0, "iv": 0.4524, "open_interest": 4.0, "volume": 0.0, "delta": -0.5827, "gamma": 0.0344, "vega": 0.0931, "theta": -0.0165, "rho": -0.1065, "theo": 7.1763, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.49, "last_trade_time": "2026-10-21T10:57:56", "percent_change": 0.0, "prev_day_close": 8.65000009536743}, {"option": "GFI1270319C00050000", "bid": 1.35, "bid_size": 984.0, "ask": 2.75, "ask_size": 214.0, "iv": 0.49, "open_interest": 29.0, "volume": 0.0, "delta": 0.3203, "gamma": 0.0318, "vega": 0.0841, "theta": -0.0159, "rho": 0.0373, "theo": 2.003, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.4, "last_trade_time": "2026-09-08T14:24:23", "percent_change": 0.0, "prev_day_close": 1.04999995231628}, {"option": "GFI1270319P00050000", "bid": 9.2, "bid_size": 310.0, "ask": 12.1, "ask_size": 218.0, "iv": 0.4551, "open_interest": 0.0, "volume": 0.0, "delta": -0.7174, "gamma": 0.0298, "vega": 0.0812, "theta": -0.0138, "rho": -0.1378, "theo": 10.8841, "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": 12.5499997138977}, {"option": "GFI1270319C00055000", "bid": 0.7, "bid_size": 233.0, "ask": 1.65, "ask_size": 268.0, "iv": 0.489, "open_interest": 7.0, "volume": 0.0, "delta": 0.2127, "gamma": 0.0254, "vega": 0.0679, "theta": -0.013, "rho": 0.025, "theo": 1.1885, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 5.5, "last_trade_time": "2026-08-21T15:51:58", "percent_change": 0.0, "prev_day_close": 0.625}, {"option": "GFI1270319P00055000", "bid": 13.1, "bid_size": 369.0, "ask": 16.2, "ask_size": 146.0, "iv": 0.4162, "open_interest": 1.0, "volume": 0.0, "delta": -0.8146, "gamma": 0.0235, "vega": 0.065, "theta": -0.0104, "rho": -0.1656, "theo": 15.0892, "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": 16.6999998092651}, {"option": "GFI1270319C00060000", "bid": 0.0, "bid_size": 0.0, "ask": 1.05, "ask_size": 234.0, "iv": 0.46, "open_interest": 1.0, "volume": 0.0, "delta": 0.1396, "gamma": 0.019, "vega": 0.0529, "theta": -0.0101, "rho": 0.0162, "theo": 0.7151, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.05, "last_trade_time": "2026-06-12T09:30:02", "percent_change": 0.0, "prev_day_close": 0.425000011920929}, {"option": "GFI1270319P00060000", "bid": 17.5, "bid_size": 423.0, "ask": 20.6, "ask_size": 149.0, "iv": 0.3388, "open_interest": 0.0, "volume": 0.0, "delta": -0.8801, "gamma": 0.0175, "vega": 0.0496, "theta": -0.007, "rho": -0.1898, "theo": 19.594, "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": 20.9499998092651}, {"option": "GFI1270319C00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.85, "ask_size": 611.0, "iv": 0.5049, "open_interest": 0.0, "volume": 0.0, "delta": 0.0923, "gamma": 0.0138, "vega": 0.0389, "theta": -0.0076, "rho": 0.0111, "theo": 0.442, "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": "GFI1270319P00065000", "bid": 22.4, "bid_size": 476.0, "ask": 25.5, "ask_size": 241.0, "iv": 0.3799, "open_interest": 0.0, "volume": 0.0, "delta": -0.9228, "gamma": 0.0127, "vega": 0.0368, "theta": -0.0042, "rho": -0.2116, "theo": 24.2713, "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": 26.0500001907349}, {"option": "GFI1270319C00070000", "bid": 0.0, "bid_size": 0.0, "ask": 0.8, "ask_size": 663.0, "iv": 0.5584, "open_interest": 1.0, "volume": 0.0, "delta": 0.0614, "gamma": 0.0099, "vega": 0.0292, "theta": -0.0056, "rho": 0.0077, "theo": 0.2782, "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": "GFI1270319P00070000", "bid": 27.4, "bid_size": 635.0, "ask": 30.4, "ask_size": 400.0, "iv": 0.4488, "open_interest": 0.0, "volume": 0.0, "delta": -0.9506, "gamma": 0.0092, "vega": 0.027, "theta": -0.0018, "rho": -0.2315, "theo": 29.0471, "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": 31.25}, {"option": "GFI1270319C00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1181.0, "iv": 0.6047, "open_interest": 0.0, "volume": 0.0, "delta": 0.0413, "gamma": 0.0071, "vega": 0.0216, "theta": -0.0042, "rho": 0.0053, "theo": 0.1786, "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": "GFI1270319P00075000", "bid": 31.8, "bid_size": 761.0, "ask": 35.5, "ask_size": 731.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9686, "gamma": 0.0066, "vega": 0.0198, "theta": 0.0, "rho": -0.2503, "theo": 33.8797, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 32.6, "last_trade_time": "2026-04-23T15:58:16", "percent_change": 0.0, "prev_day_close": 35.8999996185303}, {"option": "GFI1270319C00080000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1705.0, "iv": 0.6537, "open_interest": 3.0, "volume": 0.0, "delta": 0.0283, "gamma": 0.0051, "vega": 0.0159, "theta": -0.0031, "rho": 0.0036, "theo": 0.1179, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.65, "last_trade_time": "2026-07-08T09:58:26", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "GFI1270319P00080000", "bid": 36.6, "bid_size": 762.0, "ask": 40.5, "ask_size": 731.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9808, "gamma": 0.005, "vega": 0.0146, "theta": 0.0, "rho": -0.2399, "theo": 38.7457, "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": 40.8999996185303}, {"option": "GFI1280121C00020000", "bid": 20.0, "bid_size": 1132.0, "ask": 23.1, "ask_size": 48.0, "iv": 0.0, "open_interest": 25.0, "volume": 0.0, "delta": 0.9674, "gamma": 0.0046, "vega": 0.0341, "theta": -0.0005, "rho": 0.087, "theo": 22.1006, "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": 19.6000003814697}, {"option": "GFI1280121P00020000", "bid": 0.0, "bid_size": 0.0, "ask": 2.95, "ask_size": 1714.0, "iv": 0.6535, "open_interest": 1.0, "volume": 0.0, "delta": -0.075, "gamma": 0.0057, "vega": 0.0601, "theta": -0.004, "rho": -0.0439, "theo": 1.0989, "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": "GFI1280121C00025000", "bid": 16.0, "bid_size": 1095.0, "ask": 19.2, "ask_size": 57.0, "iv": 0.5059, "open_interest": 47.0, "volume": 0.0, "delta": 0.9034, "gamma": 0.0089, "vega": 0.0752, "theta": -0.0035, "rho": 0.1391, "theo": 17.9733, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 20.52, "last_trade_time": "2026-08-17T11:15:22", "percent_change": 0.0, "prev_day_close": 15.6999998092651}, {"option": "GFI1280121P00025000", "bid": 0.05, "bid_size": 2112.0, "ask": 3.6, "ask_size": 947.0, "iv": 0.532, "open_interest": 14.0, "volume": 0.0, "delta": -0.1321, "gamma": 0.0092, "vega": 0.0906, "theta": -0.0056, "rho": -0.077, "theo": 2.0688, "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": 2.02499997615814}, {"option": "GFI1280121C00028000", "bid": 13.8, "bid_size": 1080.0, "ask": 17.3, "ask_size": 93.0, "iv": 0.5178, "open_interest": 20.0, "volume": 0.0, "delta": 0.8564, "gamma": 0.0111, "vega": 0.1012, "theta": -0.0048, "rho": 0.1699, "theo": 15.8167, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.65, "last_trade_time": "2026-08-26T10:05:39", "percent_change": 0.0, "prev_day_close": 14.0999999046326}, {"option": "GFI1280121P00028000", "bid": 0.85, "bid_size": 588.0, "ask": 4.2, "ask_size": 275.0, "iv": 0.5124, "open_interest": 0.0, "volume": 0.0, "delta": -0.1746, "gamma": 0.0114, "vega": 0.1089, "theta": -0.0066, "rho": -0.1018, "theo": 2.8778, "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": 2.99999994039536}, {"option": "GFI1280121C00030000", "bid": 12.6, "bid_size": 1201.0, "ask": 15.8, "ask_size": 71.0, "iv": 0.5102, "open_interest": 106.0, "volume": 0.0, "delta": 0.8237, "gamma": 0.0124, "vega": 0.1148, "theta": -0.0056, "rho": 0.1812, "theo": 14.5076, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.5, "last_trade_time": "2026-10-12T15:51:55", "percent_change": 0.0, "prev_day_close": 12.8000001907349}, {"option": "GFI1280121P00030000", "bid": 1.65, "bid_size": 505.0, "ask": 5.0, "ask_size": 284.0, "iv": 0.5214, "open_interest": 10.0, "volume": 0.0, "delta": -0.2058, "gamma": 0.0129, "vega": 0.1205, "theta": -0.0071, "rho": -0.1205, "theo": 3.5205, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.02, "last_trade_time": "2026-10-20T10:51:05", "percent_change": 0.0, "prev_day_close": 3.875}, {"option": "GFI1280121C00033000", "bid": 11.0, "bid_size": 1147.0, "ask": 14.4, "ask_size": 92.0, "iv": 0.5266, "open_interest": 60.0, "volume": 0.0, "delta": 0.7733, "gamma": 0.0143, "vega": 0.132, "theta": -0.0066, "rho": 0.1908, "theo": 12.7262, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.6, "last_trade_time": "2026-06-30T09:35:05", "percent_change": 0.0, "prev_day_close": 10.9499998092651}, {"option": "GFI1280121P00033000", "bid": 2.9, "bid_size": 430.0, "ask": 6.3, "ask_size": 229.0, "iv": 0.5253, "open_interest": 0.0, "volume": 0.0, "delta": -0.2558, "gamma": 0.0148, "vega": 0.1358, "theta": -0.0079, "rho": -0.15, "theo": 4.6444, "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": 5.35000002384186}, {"option": "GFI1280121C00035000", "bid": 10.0, "bid_size": 1338.0, "ask": 13.5, "ask_size": 754.0, "iv": 0.5309, "open_interest": 305.0, "volume": 0.0, "delta": 0.7388, "gamma": 0.0154, "vega": 0.1419, "theta": -0.0072, "rho": 0.1925, "theo": 11.6484, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.77, "last_trade_time": "2026-11-04T10:23:17", "percent_change": 0.0, "prev_day_close": 10.0999999046326}, {"option": "GFI1280121P00035000", "bid": 3.7, "bid_size": 402.0, "ask": 7.3, "ask_size": 289.0, "iv": 0.5238, "open_interest": 7.0, "volume": 0.0, "delta": -0.2906, "gamma": 0.016, "vega": 0.1448, "theta": -0.0083, "rho": -0.171, "theo": 5.4993, "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": 6.29999995231628}, {"option": "GFI1280121C00037000", "bid": 9.1, "bid_size": 1052.0, "ask": 12.6, "ask_size": 355.0, "iv": 0.5327, "open_interest": 83.0, "volume": 0.0, "delta": 0.7038, "gamma": 0.0164, "vega": 0.1502, "theta": -0.0077, "rho": 0.193, "theo": 10.6556, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 16.85, "last_trade_time": "2026-08-21T10:34:12", "percent_change": 0.0, "prev_day_close": 9.30000019073486}, {"option": "GFI1280121P00037000", "bid": 4.5, "bid_size": 401.0, "ask": 8.4, "ask_size": 160.0, "iv": 0.5206, "open_interest": 4.0, "volume": 0.0, "delta": -0.326, "gamma": 0.017, "vega": 0.1523, "theta": -0.0086, "rho": -0.1931, "theo": 6.4371, "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": 7.14999985694885}, {"option": "GFI1280121C00040000", "bid": 7.8, "bid_size": 966.0, "ask": 11.4, "ask_size": 393.0, "iv": 0.5327, "open_interest": 56.0, "volume": 0.0, "delta": 0.6516, "gamma": 0.0175, "vega": 0.1598, "theta": -0.0083, "rho": 0.1891, "theo": 9.3187, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.03, "last_trade_time": "2026-10-19T09:30:04", "percent_change": 0.0, "prev_day_close": 7.90000009536743}, {"option": "GFI1280121P00040000", "bid": 6.2, "bid_size": 36.0, "ask": 10.0, "ask_size": 154.0, "iv": 0.5217, "open_interest": 22.0, "volume": 0.0, "delta": -0.3794, "gamma": 0.0181, "vega": 0.1608, "theta": -0.0088, "rho": -0.2262, "theo": 7.9932, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 10.1, "last_trade_time": "2026-06-02T09:30:53", "percent_change": 0.0, "prev_day_close": 9.15000009536743}, {"option": "GFI1280121C00042000", "bid": 7.1, "bid_size": 925.0, "ask": 10.8, "ask_size": 465.0, "iv": 0.5387, "open_interest": 48.0, "volume": 0.0, "delta": 0.6174, "gamma": 0.018, "vega": 0.1645, "theta": -0.0086, "rho": 0.1869, "theo": 8.5206, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 6.0, "last_trade_time": "2026-10-28T15:45:52", "percent_change": 0.0, "prev_day_close": 7.34999990463257}, {"option": "GFI1280121P00042000", "bid": 6.9, "bid_size": 386.0, "ask": 11.0, "ask_size": 132.0, "iv": 0.5021, "open_interest": 0.0, "volume": 0.0, "delta": -0.4146, "gamma": 0.0187, "vega": 0.1648, "theta": -0.0089, "rho": -0.2491, "theo": 9.1232, "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": 10.0999999046326}, {"option": "GFI1280121C00045000", "bid": 5.9, "bid_size": 984.0, "ask": 9.8, "ask_size": 496.0, "iv": 0.5333, "open_interest": 34.0, "volume": 0.0, "delta": 0.5677, "gamma": 0.0186, "vega": 0.1691, "theta": -0.009, "rho": 0.1807, "theo": 7.4532, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.8, "last_trade_time": "2026-07-17T15:04:30", "percent_change": 0.0, "prev_day_close": 6.35000014305115}, {"option": "GFI1280121P00045000", "bid": 8.8, "bid_size": 385.0, "ask": 13.0, "ask_size": 162.0, "iv": 0.5069, "open_interest": 48.0, "volume": 0.0, "delta": -0.4661, "gamma": 0.0193, "vega": 0.1682, "theta": -0.0089, "rho": -0.283, "theo": 10.9486, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 9.58, "last_trade_time": "2026-08-26T12:27:58", "percent_change": 0.0, "prev_day_close": 12.1500000953674}, {"option": "GFI1280121C00047000", "bid": 5.3, "bid_size": 955.0, "ask": 9.2, "ask_size": 508.0, "iv": 0.5337, "open_interest": 24.0, "volume": 0.0, "delta": 0.5358, "gamma": 0.0188, "vega": 0.1704, "theta": -0.0091, "rho": 0.1729, "theo": 6.8185, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.79, "last_trade_time": "2026-03-23T15:31:43", "percent_change": 0.0, "prev_day_close": 5.75}, {"option": "GFI1280121P00047000", "bid": 10.0, "bid_size": 378.0, "ask": 14.5, "ask_size": 159.0, "iv": 0.5087, "open_interest": 30.0, "volume": 0.0, "delta": -0.499, "gamma": 0.0194, "vega": 0.1687, "theta": -0.0088, "rho": -0.3052, "theo": 12.2445, "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": 13.5500001907349}, {"option": "GFI1280121C00050000", "bid": 4.5, "bid_size": 1188.0, "ask": 8.3, "ask_size": 717.0, "iv": 0.532, "open_interest": 232.0, "volume": 0.0, "delta": 0.4901, "gamma": 0.0189, "vega": 0.1707, "theta": -0.0092, "rho": 0.1613, "theo": 5.9703, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.8, "last_trade_time": "2026-11-05T09:32:07", "percent_change": 0.0, "prev_day_close": 4.90000009536743}, {"option": "GFI1280121P00050000", "bid": 12.0, "bid_size": 363.0, "ask": 16.5, "ask_size": 150.0, "iv": 0.5041, "open_interest": 11.0, "volume": 0.0, "delta": -0.5463, "gamma": 0.0195, "vega": 0.168, "theta": -0.0084, "rho": -0.3347, "theo": 14.296, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 16.65, "last_trade_time": "2026-10-20T10:51:05", "percent_change": 0.0, "prev_day_close": 15.5999999046326}, {"option": "GFI1280121C00055000", "bid": 3.3, "bid_size": 953.0, "ask": 6.8, "ask_size": 460.0, "iv": 0.5206, "open_interest": 32.0, "volume": 0.0, "delta": 0.4204, "gamma": 0.0185, "vega": 0.1668, "theta": -0.0091, "rho": 0.142, "theo": 4.7971, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.25, "last_trade_time": "2026-08-26T14:38:27", "percent_change": 0.0, "prev_day_close": 3.77499985694885}, {"option": "GFI1280121P00055000", "bid": 15.6, "bid_size": 357.0, "ask": 19.9, "ask_size": 180.0, "iv": 0.4918, "open_interest": 0.0, "volume": 0.0, "delta": -0.6193, "gamma": 0.0192, "vega": 0.1616, "theta": -0.0078, "rho": -0.3678, "theo": 17.9695, "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": 19.3500003814697}, {"option": "GFI1280121C00060000", "bid": 2.3, "bid_size": 1115.0, "ask": 5.6, "ask_size": 574.0, "iv": 0.51, "open_interest": 43.0, "volume": 0.0, "delta": 0.3593, "gamma": 0.0177, "vega": 0.1592, "theta": -0.0087, "rho": 0.1239, "theo": 3.8712, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.95, "last_trade_time": "2026-08-26T14:38:27", "percent_change": 0.0, "prev_day_close": 2.82499992847443}, {"option": "GFI1280121P00060000", "bid": 19.6, "bid_size": 422.0, "ask": 23.9, "ask_size": 256.0, "iv": 0.494, "open_interest": 0.0, "volume": 0.0, "delta": -0.6849, "gamma": 0.0185, "vega": 0.1505, "theta": -0.0069, "rho": -0.3848, "theo": 21.9157, "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": 23.4499998092651}, {"option": "GFI1280121C00065000", "bid": 1.55, "bid_size": 1520.0, "ask": 4.6, "ask_size": 1400.0, "iv": 0.501, "open_interest": 617.0, "volume": 2.0, "delta": 0.3066, "gamma": 0.0166, "vega": 0.1493, "theta": -0.0082, "rho": 0.1074, "theo": 3.1399, "change": 0.475, "open": 3.0, "high": 3.0, "low": 3.0, "tick": "up", "last_trade_price": 3.0, "last_trade_time": "2026-11-09T09:33:05", "percent_change": 18.8119, "prev_day_close": 2.52499997615814}, {"option": "GFI1280121P00065000", "bid": 24.0, "bid_size": 328.0, "ask": 27.8, "ask_size": 19.0, "iv": 0.4915, "open_interest": 0.0, "volume": 0.0, "delta": -0.7431, "gamma": 0.0175, "vega": 0.1355, "theta": -0.0059, "rho": -0.3902, "theo": 26.0856, "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": 27.5}, {"option": "GFI1280121C00070000", "bid": 0.95, "bid_size": 1246.0, "ask": 4.0, "ask_size": 798.0, "iv": 0.4999, "open_interest": 110.0, "volume": 0.0, "delta": 0.2616, "gamma": 0.0153, "vega": 0.1383, "theta": -0.0076, "rho": 0.0928, "theo": 2.5606, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.0, "last_trade_time": "2026-10-30T09:33:16", "percent_change": 0.0, "prev_day_close": 1.82500000298023}, {"option": "GFI1280121P00070000", "bid": 28.9, "bid_size": 245.0, "ask": 31.6, "ask_size": 21.0, "iv": 0.4901, "open_interest": 0.0, "volume": 0.0, "delta": -0.7936, "gamma": 0.0161, "vega": 0.1194, "theta": -0.0047, "rho": -0.3846, "theo": 30.4365, "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": 31.8999996185303}, {"option": "GFI1280121C00075000", "bid": 0.15, "bid_size": 1844.0, "ask": 4.0, "ask_size": 731.0, "iv": 0.5053, "open_interest": 9.0, "volume": 0.0, "delta": 0.2234, "gamma": 0.014, "vega": 0.127, "theta": -0.007, "rho": 0.0802, "theo": 2.1001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.82, "last_trade_time": "2026-06-10T15:15:34", "percent_change": 0.0, "prev_day_close": 1.75}, {"option": "GFI1280121P00075000", "bid": 32.9, "bid_size": 1.0, "ask": 36.2, "ask_size": 8.0, "iv": 0.4667, "open_interest": 0.0, "volume": 0.0, "delta": -0.8363, "gamma": 0.0145, "vega": 0.1021, "theta": -0.0033, "rho": -0.3739, "theo": 34.9311, "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": 36.25}, {"option": "GFI1280121C00080000", "bid": 0.0, "bid_size": 0.0, "ask": 3.8, "ask_size": 923.0, "iv": 0.523, "open_interest": 82.0, "volume": 0.0, "delta": 0.1912, "gamma": 0.0127, "vega": 0.1157, "theta": -0.0064, "rho": 0.0692, "theo": 1.7323, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.05, "last_trade_time": "2026-10-23T12:48:50", "percent_change": 0.0, "prev_day_close": 1.64999997615814}, {"option": "GFI1280121P00080000", "bid": 37.6, "bid_size": 13.0, "ask": 40.9, "ask_size": 13.0, "iv": 0.472, "open_interest": 0.0, "volume": 0.0, "delta": -0.8717, "gamma": 0.0128, "vega": 0.0852, "theta": -0.0018, "rho": -0.3624, "theo": 39.5337, "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": 41.0500011444092}, {"option": "GFI1280121C00085000", "bid": 0.0, "bid_size": 0.0, "ask": 3.6, "ask_size": 1786.0, "iv": 0.5435, "open_interest": 17.0, "volume": 0.0, "delta": 0.1639, "gamma": 0.0115, "vega": 0.105, "theta": -0.0058, "rho": 0.0598, "theo": 1.4366, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.2, "last_trade_time": "2026-07-28T09:30:02", "percent_change": 0.0, "prev_day_close": 1.54999995231628}, {"option": "GFI1280121P00085000", "bid": 42.3, "bid_size": 1.0, "ask": 45.4, "ask_size": 7.0, "iv": 0.4441, "open_interest": 0.0, "volume": 0.0, "delta": -0.9006, "gamma": 0.0111, "vega": 0.075, "theta": -0.0004, "rho": -0.3791, "theo": 44.2216, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 44.5, "last_trade_time": "2026-03-27T10:54:32", "percent_change": 0.0, "prev_day_close": 46.25}, {"option": "GFI1280121C00090000", "bid": 0.0, "bid_size": 0.0, "ask": 3.4, "ask_size": 1799.0, "iv": 0.5611, "open_interest": 55.0, "volume": 0.0, "delta": 0.1409, "gamma": 0.0103, "vega": 0.095, "theta": -0.0053, "rho": 0.0518, "theo": 1.198, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.45, "last_trade_time": "2026-10-08T10:43:45", "percent_change": 0.0, "prev_day_close": 1.47500002384186}, {"option": "GFI1280121P00090000", "bid": 46.5, "bid_size": 1.0, "ask": 51.0, "ask_size": 8.0, "iv": 0.4647, "open_interest": 0.0, "volume": 0.0, "delta": -0.9235, "gamma": 0.0094, "vega": 0.0582, "theta": 0.0, "rho": -0.3673, "theo": 48.9758, "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": 50.75}], "symbol": "GFI", "security_type": "stock", "exchange_id": 3, "current_price": 41.04, "price_change": 1.87, "price_change_percent": 4.7741, "bid": 40.2, "ask": 41.5, "bid_size": 1000, "ask_size": 2000, "open": 40.6, "high": 41.5425, "low": 40.325, "close": 41.04, "prev_day_close": 39.17, "volume": 4198140, "iv30": 49.038, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 10415202166, "last_trade_time": "2026-11-09T15:59:59", "tick": "down"}, "symbol": "GFI"}