{"timestamp": "2026-11-04 01:45:48", "data": {"options": [{"option": "CNI261120C00065000", "bid": 60.1, "bid_size": 10.0, "ask": 63.1, "ask_size": 7.0, "iv": 1.5394, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0337, "theo": 61.3531, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 61.9500007629394}, {"option": "CNI261120P00065000", "bid": 0.0, "bid_size": 0.0, "ask": 0.25, "ask_size": 1.0, "iv": 1.394, "open_interest": 0.0, "volume": 0.0, "delta": 0.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 0.0, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.125}, {"option": "CNI261120C00070000", "bid": 55.2, "bid_size": 9.0, "ask": 57.4, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0363, "theo": 56.3648, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 57.0499992370606}, {"option": "CNI261120P00070000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 18.0, "iv": 1.8302, "open_interest": 0.0, "volume": 0.0, "delta": 0.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 0.0, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120C00075000", "bid": 50.2, "bid_size": 7.0, "ask": 52.4, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0389, "theo": 51.3766, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.0499992370606}, {"option": "CNI261120P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 18.0, "iv": 1.6491, "open_interest": 0.0, "volume": 0.0, "delta": 0.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 0.0, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120C00080000", "bid": 45.2, "bid_size": 11.0, "ask": 47.4, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0415, "theo": 46.3883, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.1000003814697}, {"option": "CNI261120P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 20.0, "iv": 1.1878, "open_interest": 0.0, "volume": 0.0, "delta": 0.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 0.0001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120C00085000", "bid": 39.3, "bid_size": 11.0, "ask": 43.3, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9996, "gamma": 0.0, "vega": 0.0001, "theta": 0.0, "rho": 0.0441, "theo": 41.4001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.1499996185303}, {"option": "CNI261120P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 26.0, "iv": 1.1005, "open_interest": 0.0, "volume": 0.0, "delta": -0.0001, "gamma": 0.0, "vega": 0.0001, "theta": -0.0001, "rho": 0.0, "theo": 0.0002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120C00090000", "bid": 34.2, "bid_size": 15.0, "ask": 37.7, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9995, "gamma": 0.0, "vega": 0.0002, "theta": 0.0, "rho": 0.0467, "theo": 36.412, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 37.0499992370606}, {"option": "CNI261120P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 1.95, "ask_size": 4.0, "iv": 1.1354, "open_interest": 0.0, "volume": 0.0, "delta": -0.0001, "gamma": 0.0, "vega": 0.0002, "theta": -0.0001, "rho": 0.0, "theo": 0.0004, "change": 0.0, "open": 0.0, "high": 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": "CNI261120C00095000", "bid": 29.2, "bid_size": 12.0, "ask": 33.3, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9993, "gamma": 0.0001, "vega": 0.0004, "theta": 0.0, "rho": 0.0493, "theo": 31.4243, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.1000003814697}, {"option": "CNI261120P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 26.0, "iv": 0.8374, "open_interest": 0.0, "volume": 0.0, "delta": -0.0004, "gamma": 0.0001, "vega": 0.0004, "theta": -0.0003, "rho": 0.0, "theo": 0.0009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120C00100000", "bid": 24.2, "bid_size": 9.0, "ask": 28.3, "ask_size": 9.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9986, "gamma": 0.0003, "vega": 0.001, "theta": 0.0, "rho": 0.0518, "theo": 26.4375, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 27.0500001907349}, {"option": "CNI261120P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 30.0, "iv": 0.7448, "open_interest": 10.0, "volume": 0.0, "delta": -0.001, "gamma": 0.0003, "vega": 0.001, "theta": -0.0008, "rho": -0.0001, "theo": 0.0024, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.38, "last_trade_time": "2026-10-15T09:30:04", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI261120C00105000", "bid": 19.4, "bid_size": 6.0, "ask": 23.3, "ask_size": 10.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9967, "gamma": 0.001, "vega": 0.0026, "theta": 0.0, "rho": 0.0543, "theo": 21.4539, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 22.1500005722046}, {"option": "CNI261120P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 37.0, "iv": 0.516, "open_interest": 1.0, "volume": 0.0, "delta": -0.0029, "gamma": 0.001, "vega": 0.0026, "theta": -0.0019, "rho": -0.0002, "theo": 0.0071, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-10-23T15:33:56", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "CNI261120C00110000", "bid": 15.1, "bid_size": 26.0, "ask": 17.4, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9902, "gamma": 0.0033, "vega": 0.0074, "theta": -0.0032, "rho": 0.0565, "theo": 16.4818, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 16.8999996185303}, {"option": "CNI261120P00110000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 56.0, "iv": 0.4796, "open_interest": 16.0, "volume": 0.0, "delta": -0.0095, "gamma": 0.0033, "vega": 0.0074, "theta": -0.0051, "rho": -0.0006, "theo": 0.0235, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.44, "last_trade_time": "2026-10-22T09:57:14", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "CNI261120C00115000", "bid": 10.1, "bid_size": 27.0, "ask": 13.5, "ask_size": 27.0, "iv": 0.3229, "open_interest": 51.0, "volume": 0.0, "delta": 0.9657, "gamma": 0.0112, "vega": 0.0215, "theta": -0.0126, "rho": 0.0575, "theo": 11.558, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.34, "last_trade_time": "2026-11-02T15:43:42", "percent_change": 0.0, "prev_day_close": 12.3000001907349}, {"option": "CNI261120P00115000", "bid": 0.05, "bid_size": 28.0, "ask": 0.2, "ask_size": 1.0, "iv": 0.2601, "open_interest": 30.0, "volume": 2.0, "delta": -0.0342, "gamma": 0.0114, "vega": 0.0216, "theta": -0.0141, "rho": -0.0021, "theo": 0.0886, "change": 0.05, "open": 0.15, "high": 0.15, "low": 0.15, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-11-03T12:07:14", "percent_change": 50.0, "prev_day_close": 0.100000001490116}, {"option": "CNI261120C00120000", "bid": 5.5, "bid_size": 62.0, "ask": 8.9, "ask_size": 33.0, "iv": 0.2707, "open_interest": 29.0, "volume": 0.0, "delta": 0.8736, "gamma": 0.0349, "vega": 0.0576, "theta": -0.0347, "rho": 0.0539, "theo": 6.8536, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 5.4, "last_trade_time": "2026-10-30T15:28:59", "percent_change": 0.0, "prev_day_close": 7.4500002861023}, {"option": "CNI261120P00120000", "bid": 0.2, "bid_size": 23.0, "ask": 0.6, "ask_size": 7.0, "iv": 0.2204, "open_interest": 340.0, "volume": 1.0, "delta": -0.1276, "gamma": 0.0354, "vega": 0.058, "theta": -0.0359, "rho": -0.0075, "theo": 0.3764, "change": 0.015, "open": 0.64, "high": 0.64, "low": 0.64, "tick": "down", "last_trade_price": 0.64, "last_trade_time": "2026-11-03T10:18:50", "percent_change": 2.4, "prev_day_close": 0.625}, {"option": "CNI261120C00125000", "bid": 2.8, "bid_size": 51.0, "ask": 3.7, "ask_size": 54.0, "iv": 0.2248, "open_interest": 588.0, "volume": 0.0, "delta": 0.6151, "gamma": 0.0691, "vega": 0.1043, "theta": -0.0623, "rho": 0.0389, "theo": 3.0113, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.25, "last_trade_time": "2026-11-02T12:29:48", "percent_change": 0.0, "prev_day_close": 3.64999985694885}, {"option": "CNI261120P00125000", "bid": 0.65, "bid_size": 64.0, "ask": 2.2, "ask_size": 76.0, "iv": 0.1916, "open_interest": 504.0, "volume": 0.0, "delta": -0.3892, "gamma": 0.0701, "vega": 0.1046, "theta": -0.0634, "rho": -0.0212, "theo": 1.5337, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-10-30T14:49:44", "percent_change": 0.0, "prev_day_close": 1.69999998807907}, {"option": "CNI261120C00130000", "bid": 0.15, "bid_size": 89.0, "ask": 1.7, "ask_size": 85.0, "iv": 0.2045, "open_interest": 324.0, "volume": 0.0, "delta": 0.2791, "gamma": 0.0594, "vega": 0.0922, "theta": -0.0559, "rho": 0.0178, "theo": 0.9446, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.5, "last_trade_time": "2026-11-02T14:29:33", "percent_change": 0.0, "prev_day_close": 1.39999997615814}, {"option": "CNI261120P00130000", "bid": 2.75, "bid_size": 37.0, "ask": 6.1, "ask_size": 26.0, "iv": 0.1988, "open_interest": 100.0, "volume": 0.0, "delta": -0.732, "gamma": 0.0611, "vega": 0.0897, "theta": -0.0571, "rho": -0.0325, "theo": 4.4949, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 10.99, "last_trade_time": "2026-09-22T15:39:10", "percent_change": 0.0, "prev_day_close": 4.5}, {"option": "CNI261120C00135000", "bid": 0.2, "bid_size": 52.0, "ask": 0.75, "ask_size": 34.0, "iv": 0.2654, "open_interest": 2.0, "volume": 0.0, "delta": 0.0949, "gamma": 0.0274, "vega": 0.0473, "theta": -0.0296, "rho": 0.006, "theo": 0.2613, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-10-27T13:37:48", "percent_change": 0.0, "prev_day_close": 1.00000002421439}, {"option": "CNI261120P00135000", "bid": 8.3, "bid_size": 22.0, "ask": 9.3, "ask_size": 14.0, "iv": 0.204, "open_interest": 0.0, "volume": 0.0, "delta": -0.9232, "gamma": 0.03, "vega": 0.04, "theta": -0.0318, "rho": -0.0235, "theo": 8.8663, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.79999995231628}, {"option": "CNI261120C00140000", "bid": 0.0, "bid_size": 0.0, "ask": 0.15, "ask_size": 1.0, "iv": 0.2462, "open_interest": 258.0, "volume": 90.0, "delta": 0.031, "gamma": 0.0103, "vega": 0.02, "theta": -0.013, "rho": 0.002, "theo": 0.0769, "change": -0.05, "open": 0.1, "high": 0.1, "low": 0.1, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-11-03T10:44:10", "percent_change": -33.3333, "prev_day_close": 0.150000005960464}, {"option": "CNI261120P00140000", "bid": 12.5, "bid_size": 26.0, "ask": 15.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9923, "gamma": 0.0088, "vega": 0.0046, "theta": -0.0145, "rho": -0.0035, "theo": 13.7528, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 13.3499999046326}, {"option": "CNI261120C00145000", "bid": 0.0, "bid_size": 0.0, "ask": 1.2, "ask_size": 36.0, "iv": 0.4774, "open_interest": 0.0, "volume": 0.0, "delta": 0.0107, "gamma": 0.0038, "vega": 0.0083, "theta": -0.0055, "rho": 0.0007, "theo": 0.0252, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120P00145000", "bid": 17.3, "bid_size": 19.0, "ask": 20.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 18.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 18.0500001907349}, {"option": "CNI261120C00150000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 34.0, "iv": 0.6552, "open_interest": 40.0, "volume": 0.0, "delta": 0.004, "gamma": 0.0015, "vega": 0.0035, "theta": -0.0024, "rho": 0.0002, "theo": 0.009, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.05, "last_trade_time": "2026-10-14T11:28:44", "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120P00150000", "bid": 22.8, "bid_size": 8.0, "ask": 25.1, "ask_size": 8.0, "iv": 0.4995, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 23.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.0500001907349}, {"option": "CNI261120C00155000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 25.0, "iv": 0.7405, "open_interest": 40.0, "volume": 0.0, "delta": 0.0016, "gamma": 0.0006, "vega": 0.0015, "theta": -0.0011, "rho": 0.0001, "theo": 0.0035, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.05, "last_trade_time": "2026-10-14T14:44:08", "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "CNI261120P00155000", "bid": 27.9, "bid_size": 8.0, "ask": 30.0, "ask_size": 8.0, "iv": 0.5729, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 28.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.0500001907349}, {"option": "CNI261120C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 20.0, "iv": 0.8205, "open_interest": 0.0, "volume": 0.0, "delta": 0.0007, "gamma": 0.0002, "vega": 0.0007, "theta": -0.0005, "rho": 0.0, "theo": 0.0015, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120P00160000", "bid": 32.3, "bid_size": 12.0, "ask": 35.1, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 33.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.0499992370606}, {"option": "CNI261120C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 30.0, "iv": 0.896, "open_interest": 0.0, "volume": 0.0, "delta": 0.0003, "gamma": 0.0001, "vega": 0.0003, "theta": -0.0002, "rho": 0.0, "theo": 0.0007, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120P00165000", "bid": 37.9, "bid_size": 11.0, "ask": 40.0, "ask_size": 12.0, "iv": 0.7087, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 38.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.0499992370606}, {"option": "CNI261120C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 24.0, "iv": 0.9675, "open_interest": 0.0, "volume": 0.0, "delta": 0.0001, "gamma": 0.0, "vega": 0.0002, "theta": -0.0001, "rho": 0.0, "theo": 0.0003, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261120P00170000", "bid": 42.9, "bid_size": 10.0, "ask": 45.1, "ask_size": 12.0, "iv": 0.7927, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 43.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.0499992370606}, {"option": "CNI261120C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 28.0, "iv": 1.0356, "open_interest": 0.0, "volume": 0.0, "delta": 0.0001, "gamma": 0.0, "vega": 0.0001, "theta": -0.0001, "rho": 0.0, "theo": 0.0002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.800000011920929}, {"option": "CNI261120P00175000", "bid": 47.6, "bid_size": 13.0, "ask": 50.2, "ask_size": 12.0, "iv": 0.8068, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0119, "rho": 0.0, "theo": 48.75, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.0499992370606}, {"option": "CNI261218C00060000", "bid": 64.2, "bid_size": 2.0, "ask": 68.3, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9987, "gamma": 0.0001, "vega": 0.001, "theta": 0.0, "rho": 0.0572, "theo": 66.4445, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 67.0999984741211}, {"option": "CNI261218P00060000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 1.0, "iv": 1.3712, "open_interest": 0.0, "volume": 0.0, "delta": -0.0012, "gamma": 0.0001, "vega": 0.0018, "theta": -0.0013, "rho": -0.0002, "theo": 0.0107, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218C00065000", "bid": 60.0, "bid_size": 1.0, "ask": 63.5, "ask_size": 2.0, "iv": 1.0109, "open_interest": 0.0, "volume": 0.0, "delta": 0.9984, "gamma": 0.0001, "vega": 0.0014, "theta": 0.0, "rho": 0.062, "theo": 61.4677, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 61.9500007629394}, {"option": "CNI261218P00065000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 1.0, "iv": 1.2426, "open_interest": 0.0, "volume": 0.0, "delta": -0.0016, "gamma": 0.0002, "vega": 0.0023, "theta": -0.0016, "rho": -0.0003, "theo": 0.0136, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218C00070000", "bid": 54.3, "bid_size": 6.0, "ask": 58.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.998, "gamma": 0.0002, "vega": 0.0019, "theta": 0.0, "rho": 0.0667, "theo": 56.4917, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 57.1999988555908}, {"option": "CNI261218P00070000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 14.0, "iv": 1.1233, "open_interest": 0.0, "volume": 0.0, "delta": -0.0022, "gamma": 0.0003, "vega": 0.0032, "theta": -0.002, "rho": -0.0004, "theo": 0.0177, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218C00075000", "bid": 49.3, "bid_size": 1.0, "ask": 53.5, "ask_size": 2.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9974, "gamma": 0.0003, "vega": 0.0028, "theta": 0.0, "rho": 0.0714, "theo": 51.5166, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.1999988555908}, {"option": "CNI261218P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 37.0, "iv": 0.9657, "open_interest": 0.0, "volume": 0.0, "delta": -0.0031, "gamma": 0.0004, "vega": 0.0043, "theta": -0.0025, "rho": -0.0005, "theo": 0.0234, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218C00080000", "bid": 44.3, "bid_size": 1.0, "ask": 48.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9965, "gamma": 0.0004, "vega": 0.0038, "theta": 0.0, "rho": 0.0762, "theo": 46.5434, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.1999988555908}, {"option": "CNI261218P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 20.0, "iv": 0.7611, "open_interest": 0.0, "volume": 0.0, "delta": -0.0045, "gamma": 0.0006, "vega": 0.0059, "theta": -0.0031, "rho": -0.0007, "theo": 0.0315, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218C00085000", "bid": 39.4, "bid_size": 6.0, "ask": 43.5, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.995, "gamma": 0.0006, "vega": 0.0058, "theta": 0.0, "rho": 0.0809, "theo": 41.5724, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.25}, {"option": "CNI261218P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 17.0, "iv": 0.6743, "open_interest": 0.0, "volume": 0.0, "delta": -0.0065, "gamma": 0.0009, "vega": 0.0083, "theta": -0.004, "rho": -0.001, "theo": 0.0434, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.899999976158142}, {"option": "CNI261218C00090000", "bid": 34.4, "bid_size": 1.0, "ask": 38.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9927, "gamma": 0.001, "vega": 0.0085, "theta": 0.0, "rho": 0.0854, "theo": 36.6058, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 37.2000007629394}, {"option": "CNI261218P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 19.0, "iv": 0.6157, "open_interest": 0.0, "volume": 0.0, "delta": -0.0097, "gamma": 0.0014, "vega": 0.0118, "theta": -0.0052, "rho": -0.0015, "theo": 0.0615, "change": 0.0, "open": 0.0, "high": 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": "CNI261218C00095000", "bid": 29.4, "bid_size": 2.0, "ask": 33.5, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9887, "gamma": 0.0018, "vega": 0.0121, "theta": 0.0, "rho": 0.0899, "theo": 31.6472, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.3500003814697}, {"option": "CNI261218P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 31.0, "iv": 0.488, "open_interest": 0.0, "volume": 0.0, "delta": -0.015, "gamma": 0.0022, "vega": 0.0172, "theta": -0.0068, "rho": -0.0024, "theo": 0.0901, "change": 0.0, "open": 0.0, "high": 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": "CNI261218C00100000", "bid": 24.6, "bid_size": 1.0, "ask": 28.6, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9816, "gamma": 0.003, "vega": 0.0187, "theta": -0.0029, "rho": 0.0941, "theo": 26.7024, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 27.25}, {"option": "CNI261218P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 17.0, "iv": 0.4141, "open_interest": 0.0, "volume": 0.0, "delta": -0.0239, "gamma": 0.0037, "vega": 0.0256, "theta": -0.0092, "rho": -0.0037, "theo": 0.1374, "change": 0.0, "open": 0.0, "high": 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": "CNI261218C00105000", "bid": 20.0, "bid_size": 5.0, "ask": 23.3, "ask_size": 5.0, "iv": 0.2283, "open_interest": 0.0, "volume": 0.0, "delta": 0.9686, "gamma": 0.0054, "vega": 0.0311, "theta": -0.007, "rho": 0.0978, "theo": 21.7853, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 22.25}, {"option": "CNI261218P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 0.3, "ask_size": 49.0, "iv": 0.2859, "open_interest": 1.0, "volume": 0.0, "delta": -0.04, "gamma": 0.0063, "vega": 0.0392, "theta": -0.0127, "rho": -0.0062, "theo": 0.2207, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.6, "last_trade_time": "2026-10-19T12:41:57", "percent_change": 0.0, "prev_day_close": 0.600000023841858}, {"option": "CNI261218C00110000", "bid": 15.7, "bid_size": 30.0, "ask": 18.0, "ask_size": 22.0, "iv": 0.2544, "open_interest": 0.0, "volume": 0.0, "delta": 0.9428, "gamma": 0.0099, "vega": 0.0513, "theta": -0.0128, "rho": 0.1004, "theo": 16.9296, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 17.1999998092651}, {"option": "CNI261218P00110000", "bid": 0.15, "bid_size": 44.0, "ask": 0.4, "ask_size": 43.0, "iv": 0.2534, "open_interest": 29.0, "volume": 2.0, "delta": -0.0701, "gamma": 0.0112, "vega": 0.0607, "theta": -0.0177, "rho": -0.0108, "theo": 0.3788, "change": -0.335, "open": 0.2, "high": 0.34, "low": 0.2, "tick": "up", "last_trade_price": 0.34, "last_trade_time": "2026-11-03T12:46:19", "percent_change": -49.6296, "prev_day_close": 0.674999976530671}, {"option": "CNI261218C00115000", "bid": 9.9, "bid_size": 37.0, "ask": 14.0, "ask_size": 23.0, "iv": 0.2034, "open_interest": 4.0, "volume": 0.0, "delta": 0.8896, "gamma": 0.0185, "vega": 0.0852, "theta": -0.0211, "rho": 0.1001, "theo": 12.2174, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 5.9, "last_trade_time": "2026-10-07T10:46:24", "percent_change": 0.0, "prev_day_close": 12.4500002861023}, {"option": "CNI261218P00115000", "bid": 0.2, "bid_size": 34.0, "ask": 0.9, "ask_size": 37.0, "iv": 0.224, "open_interest": 7.0, "volume": 0.0, "delta": -0.1295, "gamma": 0.0198, "vega": 0.0945, "theta": -0.0248, "rho": -0.0197, "theo": 0.7058, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.8, "last_trade_time": "2026-11-02T11:11:30", "percent_change": 0.0, "prev_day_close": 0.775000005960464}, {"option": "CNI261218C00120000", "bid": 7.0, "bid_size": 43.0, "ask": 8.8, "ask_size": 28.0, "iv": 0.2193, "open_interest": 0.0, "volume": 0.0, "delta": 0.7793, "gamma": 0.0321, "vega": 0.13, "theta": -0.0317, "rho": 0.0926, "theo": 7.8793, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.40000009536743}, {"option": "CNI261218P00120000", "bid": 1.2, "bid_size": 24.0, "ask": 1.8, "ask_size": 64.0, "iv": 0.222, "open_interest": 20.0, "volume": 1.0, "delta": -0.2456, "gamma": 0.0328, "vega": 0.1396, "theta": -0.0335, "rho": -0.0369, "theo": 1.4396, "change": -0.025, "open": 1.35, "high": 1.35, "low": 1.35, "tick": "down", "last_trade_price": 1.35, "last_trade_time": "2026-11-03T14:27:33", "percent_change": -1.81818, "prev_day_close": 1.375}, {"option": "CNI261218C00125000", "bid": 3.0, "bid_size": 107.0, "ask": 4.9, "ask_size": 58.0, "iv": 0.1797, "open_interest": 11.0, "volume": 17.0, "delta": 0.5882, "gamma": 0.0441, "vega": 0.1703, "theta": -0.0402, "rho": 0.0744, "theo": 4.4045, "change": -0.1, "open": 4.8, "high": 4.8, "low": 4.8, "tick": "up", "last_trade_price": 4.8, "last_trade_time": "2026-11-03T10:59:24", "percent_change": -2.04081, "prev_day_close": 4.89999985694885}, {"option": "CNI261218P00125000", "bid": 2.85, "bid_size": 27.0, "ask": 4.6, "ask_size": 62.0, "iv": 0.2442, "open_interest": 34.0, "volume": 1.0, "delta": -0.4367, "gamma": 0.0434, "vega": 0.1736, "theta": -0.0397, "rho": -0.0644, "theo": 3.0699, "change": 0.1, "open": 3.0, "high": 3.0, "low": 3.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-11-03T14:35:14", "percent_change": 3.44828, "prev_day_close": 2.89999997615814}, {"option": "CNI261218C00130000", "bid": 2.05, "bid_size": 12.0, "ask": 2.45, "ask_size": 25.0, "iv": 0.2112, "open_interest": 34.0, "volume": 0.0, "delta": 0.3729, "gamma": 0.0414, "vega": 0.1661, "theta": -0.04, "rho": 0.05, "theo": 2.2552, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.05, "last_trade_time": "2026-10-30T10:03:28", "percent_change": 0.0, "prev_day_close": 2.39999997615814}, {"option": "CNI261218P00130000", "bid": 5.1, "bid_size": 41.0, "ask": 6.7, "ask_size": 48.0, "iv": 0.205, "open_interest": 0.0, "volume": 0.0, "delta": -0.6448, "gamma": 0.0401, "vega": 0.1643, "theta": -0.038, "rho": -0.0938, "theo": 6.0073, "change": 0.0, "open": 0.0, "high": 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": "CNI261218C00135000", "bid": 0.4, "bid_size": 24.0, "ask": 1.6, "ask_size": 32.0, "iv": 0.2131, "open_interest": 27.0, "volume": 0.0, "delta": 0.2186, "gamma": 0.0297, "vega": 0.1308, "theta": -0.0332, "rho": 0.0308, "theo": 1.1827, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.0, "last_trade_time": "2026-10-27T11:37:58", "percent_change": 0.0, "prev_day_close": 0.975000008940697}, {"option": "CNI261218P00135000", "bid": 8.8, "bid_size": 11.0, "ask": 11.0, "ask_size": 11.0, "iv": 0.2215, "open_interest": 0.0, "volume": 0.0, "delta": -0.7919, "gamma": 0.0287, "vega": 0.127, "theta": -0.0305, "rho": -0.1145, "theo": 9.9763, "change": 0.0, "open": 0.0, "high": 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": "CNI261218C00140000", "bid": 0.05, "bid_size": 21.0, "ask": 1.45, "ask_size": 32.0, "iv": 0.2568, "open_interest": 164.0, "volume": 0.0, "delta": 0.1298, "gamma": 0.0194, "vega": 0.0944, "theta": -0.0256, "rho": 0.0188, "theo": 0.6676, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.35, "last_trade_time": "2026-10-30T11:48:06", "percent_change": 0.0, "prev_day_close": 0.650000024586916}, {"option": "CNI261218P00140000", "bid": 13.0, "bid_size": 2.0, "ask": 15.7, "ask_size": 2.0, "iv": 0.2338, "open_interest": 0.0, "volume": 0.0, "delta": -0.8766, "gamma": 0.0187, "vega": 0.0913, "theta": -0.0223, "rho": -0.1289, "theo": 14.4704, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.0}, {"option": "CNI261218C00145000", "bid": 0.05, "bid_size": 35.0, "ask": 2.4, "ask_size": 53.0, "iv": 0.3643, "open_interest": 150.0, "volume": 0.0, "delta": 0.0801, "gamma": 0.0125, "vega": 0.0675, "theta": -0.0194, "rho": 0.0117, "theo": 0.4038, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.25, "last_trade_time": "2026-11-02T12:13:28", "percent_change": 0.0, "prev_day_close": 0.25000000372529}, {"option": "CNI261218P00145000", "bid": 17.0, "bid_size": 43.0, "ask": 20.9, "ask_size": 33.0, "iv": 0.2161, "open_interest": 133.0, "volume": 0.0, "delta": -0.9238, "gamma": 0.0121, "vega": 0.0642, "theta": -0.0154, "rho": -0.1378, "theo": 19.2018, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 18.4, "last_trade_time": "2026-11-02T12:13:28", "percent_change": 0.0, "prev_day_close": 18.1500005722046}, {"option": "CNI261218C00150000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 16.0, "iv": 0.3298, "open_interest": 0.0, "volume": 0.0, "delta": 0.0517, "gamma": 0.0082, "vega": 0.048, "theta": -0.0147, "rho": 0.0076, "theo": 0.2587, "change": 0.0, "open": 0.0, "high": 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": "CNI261218P00150000", "bid": 21.8, "bid_size": 1.0, "ask": 26.0, "ask_size": 2.0, "iv": 0.2474, "open_interest": 0.0, "volume": 0.0, "delta": -0.951, "gamma": 0.0079, "vega": 0.0456, "theta": -0.01, "rho": -0.145, "theo": 24.0445, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 22.8500003814697}, {"option": "CNI261218C00155000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 20.0, "iv": 0.3764, "open_interest": 0.0, "volume": 0.0, "delta": 0.0346, "gamma": 0.0056, "vega": 0.0348, "theta": -0.0113, "rho": 0.0051, "theo": 0.1732, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "CNI261218P00155000", "bid": 26.8, "bid_size": 1.0, "ask": 30.9, "ask_size": 1.0, "iv": 0.2715, "open_interest": 0.0, "volume": 0.0, "delta": -0.9672, "gamma": 0.0053, "vega": 0.0328, "theta": -0.0058, "rho": -0.1512, "theo": 28.9431, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.1000003814697}, {"option": "CNI261218C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 15.0, "iv": 0.4007, "open_interest": 0.0, "volume": 0.0, "delta": 0.0239, "gamma": 0.0038, "vega": 0.0257, "theta": -0.0088, "rho": 0.0035, "theo": 0.1201, "change": 0.0, "open": 0.0, "high": 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": "CNI261218P00160000", "bid": 31.9, "bid_size": 1.0, "ask": 35.6, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9772, "gamma": 0.0037, "vega": 0.0239, "theta": -0.0025, "rho": -0.1567, "theo": 33.8722, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.0499992370606}, {"option": "CNI261218C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 12.0, "iv": 0.441, "open_interest": 0.0, "volume": 0.0, "delta": 0.0169, "gamma": 0.0027, "vega": 0.0193, "theta": -0.0069, "rho": 0.0025, "theo": 0.0857, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.699999988079071}, {"option": "CNI261218P00165000", "bid": 36.7, "bid_size": 2.0, "ask": 40.9, "ask_size": 6.0, "iv": 0.3355, "open_interest": 0.0, "volume": 0.0, "delta": -0.9838, "gamma": 0.0026, "vega": 0.0179, "theta": 0.0, "rho": -0.162, "theo": 38.8186, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.0499992370606}, {"option": "CNI261218C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 1.5, "ask_size": 12.0, "iv": 0.5509, "open_interest": 0.0, "volume": 0.0, "delta": 0.0123, "gamma": 0.002, "vega": 0.0146, "theta": -0.0054, "rho": 0.0018, "theo": 0.0627, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218P00170000", "bid": 42.0, "bid_size": 8.0, "ask": 45.9, "ask_size": 1.0, "iv": 0.4458, "open_interest": 0.0, "volume": 0.0, "delta": -0.9881, "gamma": 0.0018, "vega": 0.0136, "theta": 0.0, "rho": -0.1673, "theo": 43.7755, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.0499992370606}, {"option": "CNI261218C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 1.45, "ask_size": 13.0, "iv": 0.5866, "open_interest": 0.0, "volume": 0.0, "delta": 0.0091, "gamma": 0.0014, "vega": 0.0113, "theta": -0.0044, "rho": 0.0014, "theo": 0.0468, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI261218P00175000", "bid": 46.7, "bid_size": 10.0, "ask": 50.8, "ask_size": 8.0, "iv": 0.3922, "open_interest": 0.0, "volume": 0.0, "delta": -0.9938, "gamma": 0.003, "vega": 0.0098, "theta": 0.0, "rho": -0.048, "theo": 48.7398, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.0499992370606}, {"option": "CNI270115C00055000", "bid": 69.2, "bid_size": 1.0, "ask": 73.5, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9995, "gamma": 0.0, "vega": 0.0002, "theta": 0.0, "rho": 0.0526, "theo": 71.4617, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 72.0499992370606}, {"option": "CNI270115P00055000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 1.0, "iv": 0.8047, "open_interest": 0.0, "volume": 0.0, "delta": -0.0007, "gamma": 0.0001, "vega": 0.0014, "theta": -0.0005, "rho": -0.0002, "theo": 0.0064, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "CNI270115C00060000", "bid": 64.3, "bid_size": 8.0, "ask": 68.3, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9994, "gamma": 0.0, "vega": 0.0005, "theta": 0.0, "rho": 0.0574, "theo": 66.4838, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 67.0999984741211}, {"option": "CNI270115P00060000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 1.0, "iv": 1.0811, "open_interest": 0.0, "volume": 0.0, "delta": -0.001, "gamma": 0.0001, "vega": 0.002, "theta": -0.0007, "rho": -0.0003, "theo": 0.0088, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI270115C00065000", "bid": 59.3, "bid_size": 6.0, "ask": 63.3, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9992, "gamma": 0.0001, "vega": 0.001, "theta": 0.0, "rho": 0.0625, "theo": 61.5063, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 61.9500007629394}, {"option": "CNI270115P00065000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 1.0, "iv": 0.9801, "open_interest": 0.0, "volume": 0.0, "delta": -0.0015, "gamma": 0.0002, "vega": 0.0028, "theta": -0.0009, "rho": -0.0004, "theo": 0.0122, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI270115C00070000", "bid": 54.3, "bid_size": 1.0, "ask": 58.3, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9989, "gamma": 0.0001, "vega": 0.0014, "theta": 0.0, "rho": 0.0672, "theo": 56.5297, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 57.1499996185303}, {"option": "CNI270115P00070000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 19.0, "iv": 0.8864, "open_interest": 0.0, "volume": 0.0, "delta": -0.0022, "gamma": 0.0002, "vega": 0.004, "theta": -0.0012, "rho": -0.0006, "theo": 0.0172, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI270115C00075000", "bid": 49.4, "bid_size": 1.0, "ask": 53.5, "ask_size": 2.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9983, "gamma": 0.0002, "vega": 0.0023, "theta": 0.0, "rho": 0.0726, "theo": 51.5545, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.1999988555908}, {"option": "CNI270115P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 22.0, "iv": 0.645, "open_interest": 21.0, "volume": 0.0, "delta": -0.0032, "gamma": 0.0004, "vega": 0.0057, "theta": -0.0016, "rho": -0.0008, "theo": 0.0248, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-09-18T10:45:18", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "CNI270115C00080000", "bid": 44.6, "bid_size": 8.0, "ask": 48.5, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9972, "gamma": 0.0004, "vega": 0.0042, "theta": 0.0, "rho": 0.0783, "theo": 46.5818, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.1499996185303}, {"option": "CNI270115P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 16.0, "iv": 0.5755, "open_interest": 0.0, "volume": 0.0, "delta": -0.005, "gamma": 0.0006, "vega": 0.0084, "theta": -0.0022, "rho": -0.0013, "theo": 0.0364, "change": 0.0, "open": 0.0, "high": 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": "CNI270115C00085000", "bid": 39.6, "bid_size": 1.0, "ask": 43.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9952, "gamma": 0.0007, "vega": 0.0073, "theta": 0.0, "rho": 0.0848, "theo": 41.6137, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.0499992370606}, {"option": "CNI270115P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 18.0, "iv": 0.5545, "open_interest": 3.0, "volume": 0.0, "delta": -0.0077, "gamma": 0.001, "vega": 0.0124, "theta": -0.003, "rho": -0.002, "theo": 0.0546, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-06-26T09:30:26", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115C00090000", "bid": 34.4, "bid_size": 1.0, "ask": 38.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9917, "gamma": 0.0013, "vega": 0.0124, "theta": 0.0, "rho": 0.0923, "theo": 36.6545, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 37.3000011444092}, {"option": "CNI270115P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 18.0, "iv": 0.4471, "open_interest": 3.0, "volume": 0.0, "delta": -0.0122, "gamma": 0.0016, "vega": 0.0185, "theta": -0.0041, "rho": -0.0031, "theo": 0.0841, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.17, "last_trade_time": "2026-09-01T11:22:24", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115C00095000", "bid": 29.5, "bid_size": 9.0, "ask": 33.4, "ask_size": 9.0, "iv": 0.0, "open_interest": 3.0, "volume": 0.0, "delta": 0.9851, "gamma": 0.0023, "vega": 0.0207, "theta": -0.0016, "rho": 0.1008, "theo": 31.7121, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 34.86, "last_trade_time": "2026-07-27T10:15:06", "percent_change": 0.0, "prev_day_close": 32.3000011444092}, {"option": "CNI270115P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 2.25, "ask_size": 20.0, "iv": 0.4988, "open_interest": 7.0, "volume": 0.0, "delta": -0.0198, "gamma": 0.0026, "vega": 0.028, "theta": -0.0058, "rho": -0.005, "theo": 0.1331, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.38, "last_trade_time": "2026-10-27T15:48:33", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115C00100000", "bid": 25.5, "bid_size": 14.0, "ask": 27.7, "ask_size": 11.0, "iv": 0.0, "open_interest": 56.0, "volume": 0.0, "delta": 0.973, "gamma": 0.0041, "vega": 0.035, "theta": -0.0048, "rho": 0.1102, "theo": 26.8019, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 21.0, "last_trade_time": "2026-09-30T15:28:28", "percent_change": 0.0, "prev_day_close": 27.0500001907349}, {"option": "CNI270115P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 20.0, "iv": 0.401, "open_interest": 9.0, "volume": 0.0, "delta": -0.0328, "gamma": 0.0044, "vega": 0.0425, "theta": -0.0081, "rho": -0.0082, "theo": 0.2171, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.65, "last_trade_time": "2026-09-21T09:30:02", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115C00105000", "bid": 19.7, "bid_size": 10.0, "ask": 23.4, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.951, "gamma": 0.0072, "vega": 0.0582, "theta": -0.0089, "rho": 0.1294, "theo": 21.9555, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 22.2000007629395}, {"option": "CNI270115P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 34.0, "iv": 0.2878, "open_interest": 84.0, "volume": 0.0, "delta": -0.0554, "gamma": 0.0073, "vega": 0.0649, "theta": -0.0115, "rho": -0.0138, "theo": 0.3662, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.77, "last_trade_time": "2026-10-19T10:51:21", "percent_change": 0.0, "prev_day_close": 0.574999988079071}, {"option": "CNI270115C00110000", "bid": 14.9, "bid_size": 15.0, "ask": 19.1, "ask_size": 17.0, "iv": 0.2191, "open_interest": 662.0, "volume": 0.0, "delta": 0.9112, "gamma": 0.0121, "vega": 0.0922, "theta": -0.0143, "rho": 0.1448, "theo": 17.2332, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 10.9, "last_trade_time": "2026-10-06T14:16:14", "percent_change": 0.0, "prev_day_close": 17.5}, {"option": "CNI270115P00110000", "bid": 0.2, "bid_size": 10.0, "ask": 0.85, "ask_size": 19.0, "iv": 0.2364, "open_interest": 55.0, "volume": 0.0, "delta": -0.0951, "gamma": 0.0121, "vega": 0.0969, "theta": -0.0161, "rho": -0.0233, "theo": 0.6398, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-10-30T09:30:17", "percent_change": 0.0, "prev_day_close": 0.525000005960464}, {"option": "CNI270115C00115000", "bid": 11.5, "bid_size": 15.0, "ask": 13.9, "ask_size": 11.0, "iv": 0.2254, "open_interest": 12.0, "volume": 0.0, "delta": 0.8423, "gamma": 0.0192, "vega": 0.1371, "theta": -0.0205, "rho": 0.1599, "theo": 12.7527, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.5, "last_trade_time": "2026-09-17T15:37:33", "percent_change": 0.0, "prev_day_close": 12.9500002861023}, {"option": "CNI270115P00115000", "bid": 0.85, "bid_size": 34.0, "ask": 1.4, "ask_size": 56.0, "iv": 0.2275, "open_interest": 58.0, "volume": 0.0, "delta": -0.1638, "gamma": 0.0193, "vega": 0.1404, "theta": -0.0218, "rho": -0.0393, "theo": 1.1518, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.05, "last_trade_time": "2026-11-02T15:03:09", "percent_change": 0.0, "prev_day_close": 1.05000001192093}, {"option": "CNI270115C00120000", "bid": 7.3, "bid_size": 98.0, "ask": 9.2, "ask_size": 47.0, "iv": 0.1876, "open_interest": 310.0, "volume": 0.0, "delta": 0.7316, "gamma": 0.0277, "vega": 0.1859, "theta": -0.0265, "rho": 0.1583, "theo": 8.7163, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.4, "last_trade_time": "2026-11-02T11:37:03", "percent_change": 0.0, "prev_day_close": 9.2999997138977}, {"option": "CNI270115P00120000", "bid": 1.0, "bid_size": 17.0, "ask": 3.1, "ask_size": 21.0, "iv": 0.2104, "open_interest": 59.0, "volume": 0.0, "delta": -0.2757, "gamma": 0.0282, "vega": 0.1879, "theta": -0.0277, "rho": -0.0637, "theo": 2.1075, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.75, "last_trade_time": "2026-10-22T15:38:38", "percent_change": 0.0, "prev_day_close": 1.82499998807907}, {"option": "CNI270115C00125000", "bid": 4.7, "bid_size": 35.0, "ask": 7.6, "ask_size": 36.0, "iv": 0.2365, "open_interest": 326.0, "volume": 0.0, "delta": 0.5771, "gamma": 0.0343, "vega": 0.2199, "theta": -0.0301, "rho": 0.1366, "theo": 5.4049, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.95, "last_trade_time": "2026-10-30T13:34:10", "percent_change": 0.0, "prev_day_close": 5.60000014305115}, {"option": "CNI270115P00125000", "bid": 2.5, "bid_size": 17.0, "ask": 5.4, "ask_size": 24.0, "iv": 0.2094, "open_interest": 187.0, "volume": 0.0, "delta": -0.4346, "gamma": 0.0355, "vega": 0.2199, "theta": -0.0314, "rho": -0.0942, "theo": 3.8022, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 7.0, "last_trade_time": "2026-09-11T14:50:52", "percent_change": 0.0, "prev_day_close": 3.79999995231628}, {"option": "CNI270115C00130000", "bid": 2.5, "bid_size": 15.0, "ask": 3.4, "ask_size": 2.0, "iv": 0.1935, "open_interest": 182.0, "volume": 0.0, "delta": 0.4038, "gamma": 0.0346, "vega": 0.2178, "theta": -0.0292, "rho": 0.099, "theo": 3.048, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.1, "last_trade_time": "2026-10-30T09:43:44", "percent_change": 0.0, "prev_day_close": 3.125}, {"option": "CNI270115P00130000", "bid": 5.7, "bid_size": 19.0, "ask": 8.7, "ask_size": 22.0, "iv": 0.2315, "open_interest": 84.0, "volume": 0.0, "delta": -0.6147, "gamma": 0.036, "vega": 0.2131, "theta": -0.03, "rho": -0.1232, "theo": 6.4828, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 9.8, "last_trade_time": "2026-09-11T14:09:00", "percent_change": 0.0, "prev_day_close": 6.19999980926514}, {"option": "CNI270115C00135000", "bid": 0.45, "bid_size": 16.0, "ask": 2.7, "ask_size": 28.0, "iv": 0.1969, "open_interest": 234.0, "volume": 0.0, "delta": 0.2538, "gamma": 0.0285, "vega": 0.1816, "theta": -0.0243, "rho": 0.0629, "theo": 1.6153, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.0, "last_trade_time": "2026-10-30T09:30:11", "percent_change": 0.0, "prev_day_close": 1.57500004768372}, {"option": "CNI270115P00135000", "bid": 9.3, "bid_size": 13.0, "ask": 11.2, "ask_size": 12.0, "iv": 0.2071, "open_interest": 3.0, "volume": 0.0, "delta": -0.7694, "gamma": 0.0291, "vega": 0.1706, "theta": -0.024, "rho": -0.1411, "theo": 10.1145, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 12.2, "last_trade_time": "2026-07-21T14:53:01", "percent_change": 0.0, "prev_day_close": 9.90000009536743}, {"option": "CNI270115C00140000", "bid": 0.05, "bid_size": 18.0, "ask": 2.25, "ask_size": 40.0, "iv": 0.2269, "open_interest": 191.0, "volume": 0.0, "delta": 0.1496, "gamma": 0.0201, "vega": 0.1335, "theta": -0.0181, "rho": 0.0371, "theo": 0.8416, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.05, "last_trade_time": "2026-10-22T12:29:06", "percent_change": 0.0, "prev_day_close": 1.37500002421439}, {"option": "CNI270115P00140000", "bid": 13.0, "bid_size": 11.0, "ask": 15.9, "ask_size": 11.0, "iv": 0.208, "open_interest": 0.0, "volume": 0.0, "delta": -0.8736, "gamma": 0.0198, "vega": 0.1175, "theta": -0.0163, "rho": -0.1478, "theo": 14.4101, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.0500001907349}, {"option": "CNI270115C00145000", "bid": 0.1, "bid_size": 49.0, "ask": 1.6, "ask_size": 67.0, "iv": 0.2518, "open_interest": 733.0, "volume": 0.0, "delta": 0.0862, "gamma": 0.0131, "vega": 0.0914, "theta": -0.0126, "rho": 0.0214, "theo": 0.4452, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.39, "last_trade_time": "2026-11-02T15:47:57", "percent_change": 0.0, "prev_day_close": 0.425000011920929}, {"option": "CNI270115P00145000", "bid": 17.1, "bid_size": 45.0, "ask": 21.2, "ask_size": 41.0, "iv": 0.2234, "open_interest": 225.0, "volume": 0.0, "delta": -0.9334, "gamma": 0.0121, "vega": 0.0735, "theta": -0.0096, "rho": -0.1518, "theo": 19.068, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 18.04, "last_trade_time": "2026-11-02T15:47:57", "percent_change": 0.0, "prev_day_close": 18.4499998092651}, {"option": "CNI270115C00150000", "bid": 0.0, "bid_size": 0.0, "ask": 0.55, "ask_size": 46.0, "iv": 0.2384, "open_interest": 92.0, "volume": 0.0, "delta": 0.0499, "gamma": 0.0082, "vega": 0.0606, "theta": -0.0086, "rho": 0.0123, "theo": 0.2428, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.1, "last_trade_time": "2026-08-26T12:39:08", "percent_change": 0.0, "prev_day_close": 0.375000014901161}, {"option": "CNI270115P00150000", "bid": 21.8, "bid_size": 11.0, "ask": 25.6, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9652, "gamma": 0.007, "vega": 0.0438, "theta": -0.0047, "rho": -0.1539, "theo": 23.8988, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.6499996185303}, {"option": "CNI270115C00155000", "bid": 0.0, "bid_size": 0.0, "ask": 1.9, "ask_size": 23.0, "iv": 0.3443, "open_interest": 3.0, "volume": 0.0, "delta": 0.0294, "gamma": 0.0051, "vega": 0.0398, "theta": -0.0058, "rho": 0.0072, "theo": 0.137, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-10-05T15:41:27", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "CNI270115P00155000", "bid": 26.7, "bid_size": 1.0, "ask": 31.0, "ask_size": 1.0, "iv": 0.2464, "open_interest": 0.0, "volume": 0.0, "delta": -0.9816, "gamma": 0.0039, "vega": 0.0256, "theta": -0.0013, "rho": -0.1567, "theo": 28.8084, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.1000003814697}, {"option": "CNI270115C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 34.0, "iv": 0.3398, "open_interest": 7.0, "volume": 0.0, "delta": 0.0177, "gamma": 0.0032, "vega": 0.0262, "theta": -0.0039, "rho": 0.0043, "theo": 0.08, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.47, "last_trade_time": "2026-08-07T12:44:50", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115P00160000", "bid": 31.9, "bid_size": 1.0, "ask": 35.9, "ask_size": 1.0, "iv": 0.2974, "open_interest": 0.0, "volume": 0.0, "delta": -0.99, "gamma": 0.0022, "vega": 0.0151, "theta": 0.0, "rho": -0.1602, "theo": 33.7536, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.0499992370606}, {"option": "CNI270115C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 24.0, "iv": 0.4336, "open_interest": 9.0, "volume": 0.0, "delta": 0.0109, "gamma": 0.002, "vega": 0.0174, "theta": -0.0026, "rho": 0.0027, "theo": 0.0481, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.22, "last_trade_time": "2026-06-11T10:43:55", "percent_change": 0.0, "prev_day_close": 0.474999994039536}, {"option": "CNI270115P00165000", "bid": 36.7, "bid_size": 1.0, "ask": 40.9, "ask_size": 1.0, "iv": 0.3031, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0123, "rho": 0.0, "theo": 38.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.0499992370606}, {"option": "CNI270219C00075000", "bid": 49.4, "bid_size": 8.0, "ask": 53.3, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9844, "gamma": 0.0013, "vega": 0.026, "theta": 0.0, "rho": 0.1157, "theo": 51.6266, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.2000007629394}, {"option": "CNI270219P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 25.0, "iv": 0.5555, "open_interest": 0.0, "volume": 0.0, "delta": -0.018, "gamma": 0.0013, "vega": 0.0308, "theta": -0.0066, "rho": -0.007, "theo": 0.231, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "CNI270219C00080000", "bid": 44.6, "bid_size": 1.0, "ask": 48.6, "ask_size": 1.0, "iv": 0.411, "open_interest": 0.0, "volume": 0.0, "delta": 0.9785, "gamma": 0.0018, "vega": 0.0331, "theta": -0.0011, "rho": 0.1242, "theo": 46.7071, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.3999996185303}, {"option": "CNI270219P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 1.95, "ask_size": 12.0, "iv": 0.5783, "open_interest": 0.0, "volume": 0.0, "delta": -0.0232, "gamma": 0.0018, "vega": 0.0382, "theta": -0.0076, "rho": -0.009, "theo": 0.2835, "change": 0.0, "open": 0.0, "high": 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": "CNI270219C00085000", "bid": 39.7, "bid_size": 1.0, "ask": 43.7, "ask_size": 1.0, "iv": 0.3872, "open_interest": 0.0, "volume": 0.0, "delta": 0.9704, "gamma": 0.0025, "vega": 0.044, "theta": -0.0031, "rho": 0.1536, "theo": 41.8099, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.5}, {"option": "CNI270219P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 1.95, "ask_size": 19.0, "iv": 0.5153, "open_interest": 0.0, "volume": 0.0, "delta": -0.0303, "gamma": 0.0024, "vega": 0.0478, "theta": -0.0088, "rho": -0.0116, "theo": 0.353, "change": 0.0, "open": 0.0, "high": 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": "CNI270219C00090000", "bid": 34.7, "bid_size": 8.0, "ask": 38.7, "ask_size": 8.0, "iv": 0.3271, "open_interest": 0.0, "volume": 0.0, "delta": 0.9595, "gamma": 0.0034, "vega": 0.0588, "theta": -0.0053, "rho": 0.198, "theo": 36.9445, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 37.5}, {"option": "CNI270219P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 1.45, "ask_size": 18.0, "iv": 0.4244, "open_interest": 0.0, "volume": 0.0, "delta": -0.0402, "gamma": 0.0033, "vega": 0.0604, "theta": -0.0102, "rho": -0.0153, "theo": 0.4466, "change": 0.0, "open": 0.0, "high": 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": "CNI270219C00095000", "bid": 30.5, "bid_size": 11.0, "ask": 33.3, "ask_size": 11.0, "iv": 0.3155, "open_interest": 0.0, "volume": 0.0, "delta": 0.9446, "gamma": 0.0046, "vega": 0.0753, "theta": -0.0075, "rho": 0.2237, "theo": 32.1255, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.3500003814697}, {"option": "CNI270219P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 2.35, "ask_size": 17.0, "iv": 0.4176, "open_interest": 0.0, "volume": 0.0, "delta": -0.054, "gamma": 0.0046, "vega": 0.0762, "theta": -0.0119, "rho": -0.0204, "theo": 0.5763, "change": 0.0, "open": 0.0, "high": 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": "CNI270219C00100000", "bid": 25.1, "bid_size": 8.0, "ask": 29.2, "ask_size": 11.0, "iv": 0.2953, "open_interest": 0.0, "volume": 0.0, "delta": 0.924, "gamma": 0.0064, "vega": 0.0966, "theta": -0.0101, "rho": 0.2582, "theo": 27.3691, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 30.1, "last_trade_time": "2026-08-24T10:36:28", "percent_change": 0.0, "prev_day_close": 27.6000003814697}, {"option": "CNI270219P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 2.05, "ask_size": 17.0, "iv": 0.3465, "open_interest": 0.0, "volume": 0.0, "delta": -0.074, "gamma": 0.0064, "vega": 0.0973, "theta": -0.014, "rho": -0.0276, "theo": 0.761, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.25}, {"option": "CNI270219C00105000", "bid": 21.0, "bid_size": 10.0, "ask": 23.9, "ask_size": 9.0, "iv": 0.27, "open_interest": 0.0, "volume": 0.0, "delta": 0.895, "gamma": 0.0089, "vega": 0.1235, "theta": -0.013, "rho": 0.2708, "theo": 22.7048, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 22.9499998092651}, {"option": "CNI270219P00105000", "bid": 0.05, "bid_size": 17.0, "ask": 2.75, "ask_size": 12.0, "iv": 0.3207, "open_interest": 5.0, "volume": 0.0, "delta": -0.1032, "gamma": 0.009, "vega": 0.1244, "theta": -0.0164, "rho": -0.038, "theo": 1.033, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.4, "last_trade_time": "2026-10-14T09:30:02", "percent_change": 0.0, "prev_day_close": 1.15000000037253}, {"option": "CNI270219C00110000", "bid": 15.9, "bid_size": 12.0, "ask": 20.0, "ask_size": 12.0, "iv": 0.251, "open_interest": 8.0, "volume": 0.0, "delta": 0.8523, "gamma": 0.0124, "vega": 0.1573, "theta": -0.0165, "rho": 0.2686, "theo": 18.183, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 19.3, "last_trade_time": "2026-08-11T10:52:45", "percent_change": 0.0, "prev_day_close": 18.5}, {"option": "CNI270219P00110000", "bid": 0.05, "bid_size": 25.0, "ask": 3.1, "ask_size": 25.0, "iv": 0.2745, "open_interest": 15.0, "volume": 0.0, "delta": -0.1469, "gamma": 0.0127, "vega": 0.1585, "theta": -0.0192, "rho": -0.0531, "theo": 1.4493, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.1, "last_trade_time": "2026-09-21T09:59:27", "percent_change": 0.0, "prev_day_close": 1.80000002682209}, {"option": "CNI270219C00115000", "bid": 12.2, "bid_size": 11.0, "ask": 15.2, "ask_size": 11.0, "iv": 0.2334, "open_interest": 0.0, "volume": 0.0, "delta": 0.7886, "gamma": 0.0171, "vega": 0.1974, "theta": -0.0201, "rho": 0.2574, "theo": 13.9012, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.1500000953674}, {"option": "CNI270219P00115000", "bid": 0.15, "bid_size": 36.0, "ask": 3.5, "ask_size": 27.0, "iv": 0.229, "open_interest": 9.0, "volume": 0.0, "delta": -0.2124, "gamma": 0.0176, "vega": 0.1996, "theta": -0.0223, "rho": -0.075, "theo": 2.1124, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 5.1, "last_trade_time": "2026-09-21T15:22:08", "percent_change": 0.0, "prev_day_close": 2.07500001788139}, {"option": "CNI270219C00120000", "bid": 8.1, "bid_size": 14.0, "ask": 11.2, "ask_size": 15.0, "iv": 0.2096, "open_interest": 2.0, "volume": 0.0, "delta": 0.6964, "gamma": 0.0224, "vega": 0.2383, "theta": -0.0234, "rho": 0.234, "theo": 10.0288, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 14.25, "last_trade_time": "2026-08-20T13:27:20", "percent_change": 0.0, "prev_day_close": 10.25}, {"option": "CNI270219P00120000", "bid": 1.05, "bid_size": 26.0, "ask": 4.6, "ask_size": 26.0, "iv": 0.2099, "open_interest": 188.0, "volume": 0.0, "delta": -0.3079, "gamma": 0.0232, "vega": 0.2399, "theta": -0.0253, "rho": -0.1044, "theo": 3.1984, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.2, "last_trade_time": "2026-10-29T13:29:12", "percent_change": 0.0, "prev_day_close": 3.32499992847443}, {"option": "CNI270219C00125000", "bid": 5.2, "bid_size": 30.0, "ask": 8.2, "ask_size": 26.0, "iv": 0.2102, "open_interest": 410.0, "volume": 0.0, "delta": 0.575, "gamma": 0.0266, "vega": 0.2669, "theta": -0.0255, "rho": 0.1975, "theo": 6.8063, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 5.5, "last_trade_time": "2026-10-29T13:28:14", "percent_change": 0.0, "prev_day_close": 7.35000014305115}, {"option": "CNI270219P00125000", "bid": 3.2, "bid_size": 20.0, "ask": 6.2, "ask_size": 18.0, "iv": 0.2044, "open_interest": 22.0, "volume": 0.0, "delta": -0.4351, "gamma": 0.0279, "vega": 0.2669, "theta": -0.0271, "rho": -0.1385, "theo": 4.9602, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 6.8, "last_trade_time": "2026-10-23T12:51:06", "percent_change": 0.0, "prev_day_close": 5.0}, {"option": "CNI270219C00130000", "bid": 3.3, "bid_size": 52.0, "ask": 6.7, "ask_size": 42.0, "iv": 0.2319, "open_interest": 5.0, "volume": 0.0, "delta": 0.4411, "gamma": 0.0272, "vega": 0.2692, "theta": -0.0257, "rho": 0.1536, "theo": 4.4317, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.5, "last_trade_time": "2026-11-02T11:55:02", "percent_change": 0.0, "prev_day_close": 5.09999990463257}, {"option": "CNI270219P00130000", "bid": 6.0, "bid_size": 29.0, "ask": 8.9, "ask_size": 21.0, "iv": 0.2049, "open_interest": 56.0, "volume": 0.0, "delta": -0.5767, "gamma": 0.0289, "vega": 0.2642, "theta": -0.0269, "rho": -0.1676, "theo": 7.606, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 8.3, "last_trade_time": "2026-08-27T10:41:53", "percent_change": 0.0, "prev_day_close": 7.59999990463257}, {"option": "CNI270219C00135000", "bid": 1.3, "bid_size": 44.0, "ask": 4.3, "ask_size": 28.0, "iv": 0.2118, "open_interest": 0.0, "volume": 0.0, "delta": 0.3216, "gamma": 0.0242, "vega": 0.2456, "theta": -0.0239, "rho": 0.1129, "theo": 2.877, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.77499997615814}, {"option": "CNI270219P00135000", "bid": 9.8, "bid_size": 11.0, "ask": 12.5, "ask_size": 11.0, "iv": 0.2169, "open_interest": 0.0, "volume": 0.0, "delta": -0.7033, "gamma": 0.0258, "vega": 0.2325, "theta": -0.0244, "rho": -0.1849, "theo": 11.1045, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 10.75}, {"option": "CNI270219C00140000", "bid": 0.1, "bid_size": 46.0, "ask": 3.5, "ask_size": 29.0, "iv": 0.2181, "open_interest": 3.0, "volume": 0.0, "delta": 0.2308, "gamma": 0.0198, "vega": 0.2096, "theta": -0.0212, "rho": 0.0812, "theo": 1.9189, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.65, "last_trade_time": "2026-08-28T13:03:44", "percent_change": 0.0, "prev_day_close": 1.70000002533197}, {"option": "CNI270219P00140000", "bid": 13.2, "bid_size": 20.0, "ask": 16.2, "ask_size": 11.0, "iv": 0.1938, "open_interest": 0.0, "volume": 0.0, "delta": -0.7984, "gamma": 0.0208, "vega": 0.1892, "theta": -0.0204, "rho": -0.1916, "theo": 15.2151, "change": 0.0, "open": 0.0, "high": 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": "CNI270219C00145000", "bid": 0.05, "bid_size": 43.0, "ask": 2.9, "ask_size": 43.0, "iv": 0.2438, "open_interest": 60.0, "volume": 0.0, "delta": 0.1668, "gamma": 0.0154, "vega": 0.1733, "theta": -0.0183, "rho": 0.0588, "theo": 1.328, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.5, "last_trade_time": "2026-10-20T15:43:51", "percent_change": 0.0, "prev_day_close": 0.900000035762787}, {"option": "CNI270219P00145000", "bid": 17.9, "bid_size": 5.0, "ask": 21.2, "ask_size": 6.0, "iv": 0.225, "open_interest": 0.0, "volume": 0.0, "delta": -0.8634, "gamma": 0.0158, "vega": 0.1475, "theta": -0.0161, "rho": -0.1915, "theo": 19.6913, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 18.9499998092651}, {"option": "CNI270219C00150000", "bid": 0.05, "bid_size": 28.0, "ask": 2.6, "ask_size": 22.0, "iv": 0.273, "open_interest": 0.0, "volume": 0.0, "delta": 0.1227, "gamma": 0.0119, "vega": 0.1416, "theta": -0.0156, "rho": 0.0432, "theo": 0.9525, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.07500000298023}, {"option": "CNI270219P00150000", "bid": 22.9, "bid_size": 9.0, "ask": 25.1, "ask_size": 7.0, "iv": 0.2022, "open_interest": 0.0, "volume": 0.0, "delta": -0.9063, "gamma": 0.0117, "vega": 0.1123, "theta": -0.0119, "rho": -0.189, "theo": 24.3735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.75}, {"option": "CNI270219C00155000", "bid": 0.05, "bid_size": 11.0, "ask": 2.5, "ask_size": 23.0, "iv": 0.3048, "open_interest": 0.0, "volume": 0.0, "delta": 0.092, "gamma": 0.0092, "vega": 0.1156, "theta": -0.0133, "rho": 0.0323, "theo": 0.7045, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.850000012665987}, {"option": "CNI270219P00155000", "bid": 26.9, "bid_size": 6.0, "ask": 30.9, "ask_size": 6.0, "iv": 0.2129, "open_interest": 0.0, "volume": 0.0, "delta": -0.9347, "gamma": 0.0086, "vega": 0.0846, "theta": -0.0083, "rho": -0.186, "theo": 29.1714, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.25}, {"option": "CNI270219C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 29.0, "iv": 0.2663, "open_interest": 0.0, "volume": 0.0, "delta": 0.0704, "gamma": 0.0072, "vega": 0.0946, "theta": -0.0113, "rho": 0.0246, "theo": 0.5347, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.5999999884516}, {"option": "CNI270219P00160000", "bid": 31.9, "bid_size": 1.0, "ask": 36.0, "ask_size": 8.0, "iv": 0.2571, "open_interest": 0.0, "volume": 0.0, "delta": -0.9536, "gamma": 0.0063, "vega": 0.0637, "theta": -0.0051, "rho": -0.1824, "theo": 34.0355, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.1000003814697}, {"option": "CNI270219C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 1.15, "ask_size": 22.0, "iv": 0.3051, "open_interest": 0.0, "volume": 0.0, "delta": 0.0547, "gamma": 0.0056, "vega": 0.078, "theta": -0.0097, "rho": 0.0191, "theo": 0.4147, "change": 0.0, "open": 0.0, "high": 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": "CNI270219P00165000", "bid": 36.8, "bid_size": 1.0, "ask": 40.9, "ask_size": 1.0, "iv": 0.261, "open_interest": 0.0, "volume": 0.0, "delta": -0.9665, "gamma": 0.0047, "vega": 0.0497, "theta": -0.0024, "rho": -0.1813, "theo": 38.9389, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.0499992370606}, {"option": "CNI270219C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 21.0, "iv": 0.3188, "open_interest": 0.0, "volume": 0.0, "delta": 0.0432, "gamma": 0.0045, "vega": 0.0648, "theta": -0.0084, "rho": 0.0151, "theo": 0.3274, "change": 0.0, "open": 0.0, "high": 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": "CNI270219P00170000", "bid": 41.7, "bid_size": 1.0, "ask": 45.9, "ask_size": 6.0, "iv": 0.2721, "open_interest": 0.0, "volume": 0.0, "delta": -0.9753, "gamma": 0.0035, "vega": 0.0372, "theta": -0.0001, "rho": -0.1842, "theo": 43.8681, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.0499992370606}, {"option": "CNI270219C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 2.35, "ask_size": 23.0, "iv": 0.4169, "open_interest": 0.0, "volume": 0.0, "delta": 0.0346, "gamma": 0.0036, "vega": 0.0542, "theta": -0.0072, "rho": 0.012, "theo": 0.2626, "change": 0.0, "open": 0.0, "high": 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": "CNI270219P00175000", "bid": 46.7, "bid_size": 8.0, "ask": 50.9, "ask_size": 1.0, "iv": 0.304, "open_interest": 0.0, "volume": 0.0, "delta": -0.9815, "gamma": 0.0026, "vega": 0.0292, "theta": 0.0, "rho": -0.1847, "theo": 48.8119, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.0499992370606}, {"option": "CNI270219C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 2.3, "ask_size": 20.0, "iv": 0.4409, "open_interest": 0.0, "volume": 0.0, "delta": 0.0281, "gamma": 0.0029, "vega": 0.0457, "theta": -0.0063, "rho": 0.0097, "theo": 0.2134, "change": 0.0, "open": 0.0, "high": 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": "CNI270219P00180000", "bid": 51.7, "bid_size": 2.0, "ask": 55.9, "ask_size": 6.0, "iv": 0.3342, "open_interest": 0.0, "volume": 0.0, "delta": -0.9869, "gamma": 0.0025, "vega": 0.0223, "theta": 0.0, "rho": -0.188, "theo": 53.7666, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 53.0499992370606}, {"option": "CNI270219C00185000", "bid": 0.0, "bid_size": 0.0, "ask": 2.3, "ask_size": 19.0, "iv": 0.4659, "open_interest": 0.0, "volume": 0.0, "delta": 0.023, "gamma": 0.0024, "vega": 0.0387, "theta": -0.0055, "rho": 0.008, "theo": 0.1755, "change": 0.0, "open": 0.0, "high": 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": "CNI270219P00185000", "bid": 56.9, "bid_size": 8.0, "ask": 60.9, "ask_size": 1.0, "iv": 0.3905, "open_interest": 0.0, "volume": 0.0, "delta": -0.9939, "gamma": 0.003, "vega": 0.0104, "theta": 0.0, "rho": 0.0, "theo": 58.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 58.0499992370606}, {"option": "CNI270219C00190000", "bid": 0.0, "bid_size": 0.0, "ask": 2.3, "ask_size": 19.0, "iv": 0.4898, "open_interest": 0.0, "volume": 0.0, "delta": 0.0191, "gamma": 0.002, "vega": 0.033, "theta": -0.0048, "rho": 0.0066, "theo": 0.1457, "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": 0.474999994039536}, {"option": "CNI270219P00190000", "bid": 61.9, "bid_size": 8.0, "ask": 65.9, "ask_size": 1.0, "iv": 0.4169, "open_interest": 0.0, "volume": 0.0, "delta": -0.9991, "gamma": 0.0004, "vega": 0.0, "theta": -0.0145, "rho": 0.0, "theo": 63.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 63.0499992370606}, {"option": "CNI270319C00070000", "bid": 54.5, "bid_size": 3.0, "ask": 58.6, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9908, "gamma": 0.0007, "vega": 0.018, "theta": 0.0, "rho": 0.2348, "theo": 56.7006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 57.3500003814697}, {"option": "CNI270319P00070000", "bid": 0.0, "bid_size": 0.0, "ask": 0.7, "ask_size": 20.0, "iv": 0.5225, "open_interest": 0.0, "volume": 0.0, "delta": -0.0098, "gamma": 0.0008, "vega": 0.0206, "theta": -0.0031, "rho": -0.0048, "theo": 0.1168, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.349999994039536}, {"option": "CNI270319C00075000", "bid": 49.7, "bid_size": 1.0, "ask": 53.7, "ask_size": 1.0, "iv": 0.3209, "open_interest": 0.0, "volume": 0.0, "delta": 0.9878, "gamma": 0.001, "vega": 0.0227, "theta": 0.0, "rho": 0.2503, "theo": 51.8083, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.5}, {"option": "CNI270319P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 14.0, "iv": 0.5912, "open_interest": 0.0, "volume": 0.0, "delta": -0.0131, "gamma": 0.0011, "vega": 0.0264, "theta": -0.0037, "rho": -0.0064, "theo": 0.1489, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00080000", "bid": 44.8, "bid_size": 8.0, "ask": 48.9, "ask_size": 8.0, "iv": 0.3471, "open_interest": 0.0, "volume": 0.0, "delta": 0.9839, "gamma": 0.0013, "vega": 0.031, "theta": 0.0, "rho": 0.2653, "theo": 46.9243, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.6000003814697}, {"option": "CNI270319P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 17.0, "iv": 0.5305, "open_interest": 0.0, "volume": 0.0, "delta": -0.0176, "gamma": 0.0015, "vega": 0.0343, "theta": -0.0045, "rho": -0.0086, "theo": 0.1922, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00085000", "bid": 39.8, "bid_size": 8.0, "ask": 43.8, "ask_size": 8.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9781, "gamma": 0.0019, "vega": 0.0383, "theta": -0.0001, "rho": 0.2802, "theo": 42.0566, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.5999984741211}, {"option": "CNI270319P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 1.0, "iv": 0.3493, "open_interest": 0.0, "volume": 0.0, "delta": -0.0241, "gamma": 0.0021, "vega": 0.0445, "theta": -0.0054, "rho": -0.0116, "theo": 0.2522, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00090000", "bid": 35.3, "bid_size": 11.0, "ask": 39.1, "ask_size": 11.0, "iv": 0.321, "open_interest": 1.0, "volume": 0.0, "delta": 0.9697, "gamma": 0.0027, "vega": 0.0516, "theta": -0.0017, "rho": 0.2932, "theo": 37.2106, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 38.1, "last_trade_time": "2026-08-03T13:53:13", "percent_change": 0.0, "prev_day_close": 37.7000007629394}, {"option": "CNI270319P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 2.35, "ask_size": 18.0, "iv": 0.4255, "open_interest": 0.0, "volume": 0.0, "delta": -0.0334, "gamma": 0.003, "vega": 0.0582, "theta": -0.0066, "rho": -0.0161, "theo": 0.337, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00095000", "bid": 31.0, "bid_size": 7.0, "ask": 33.5, "ask_size": 6.0, "iv": 0.2726, "open_interest": 0.0, "volume": 0.0, "delta": 0.9574, "gamma": 0.004, "vega": 0.07, "theta": -0.0037, "rho": 0.3045, "theo": 32.3979, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.6500005722046}, {"option": "CNI270319P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 1.05, "ask_size": 20.0, "iv": 0.3062, "open_interest": 0.0, "volume": 0.0, "delta": -0.0469, "gamma": 0.0043, "vega": 0.0768, "theta": -0.008, "rho": -0.0225, "theo": 0.46, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00100000", "bid": 26.2, "bid_size": 7.0, "ask": 28.5, "ask_size": 6.0, "iv": 0.2357, "open_interest": 0.0, "volume": 0.0, "delta": 0.939, "gamma": 0.0058, "vega": 0.094, "theta": -0.006, "rho": 0.3131, "theo": 27.6401, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 27.8499994277954}, {"option": "CNI270319P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 1.85, "ask_size": 18.0, "iv": 0.301, "open_interest": 0.0, "volume": 0.0, "delta": -0.0667, "gamma": 0.0062, "vega": 0.1012, "theta": -0.0098, "rho": -0.0321, "theo": 0.6417, "change": 0.0, "open": 0.0, "high": 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": "CNI270319C00105000", "bid": 21.0, "bid_size": 10.0, "ask": 24.8, "ask_size": 6.0, "iv": 0.2468, "open_interest": 0.0, "volume": 0.0, "delta": 0.9109, "gamma": 0.0084, "vega": 0.1249, "theta": -0.0088, "rho": 0.3174, "theo": 22.9736, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.1500005722046}, {"option": "CNI270319P00105000", "bid": 0.1, "bid_size": 52.0, "ask": 2.5, "ask_size": 32.0, "iv": 0.2799, "open_interest": 2.0, "volume": 0.0, "delta": -0.0969, "gamma": 0.0089, "vega": 0.1335, "theta": -0.012, "rho": -0.0464, "theo": 0.9231, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.7, "last_trade_time": "2026-11-02T13:42:13", "percent_change": 0.0, "prev_day_close": 0.724999994039536}, {"option": "CNI270319C00110000", "bid": 16.8, "bid_size": 20.0, "ask": 19.7, "ask_size": 5.0, "iv": 0.2203, "open_interest": 5.0, "volume": 0.0, "delta": 0.8677, "gamma": 0.0121, "vega": 0.1631, "theta": -0.012, "rho": 0.3152, "theo": 18.4614, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 13.2, "last_trade_time": "2026-09-21T15:33:29", "percent_change": 0.0, "prev_day_close": 18.7000007629395}, {"option": "CNI270319P00110000", "bid": 0.55, "bid_size": 26.0, "ask": 2.15, "ask_size": 19.0, "iv": 0.2326, "open_interest": 28.0, "volume": 0.0, "delta": -0.1426, "gamma": 0.0126, "vega": 0.1743, "theta": -0.0146, "rho": -0.0682, "theo": 1.3696, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.25, "last_trade_time": "2026-10-20T11:29:14", "percent_change": 0.0, "prev_day_close": 1.12499997019768}, {"option": "CNI270319C00115000", "bid": 12.7, "bid_size": 9.0, "ask": 15.6, "ask_size": 9.0, "iv": 0.2148, "open_interest": 6.0, "volume": 0.0, "delta": 0.8025, "gamma": 0.0169, "vega": 0.2148, "theta": -0.0155, "rho": 0.3046, "theo": 14.2079, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 16.3, "last_trade_time": "2026-08-12T13:19:06", "percent_change": 0.0, "prev_day_close": 14.75}, {"option": "CNI270319P00115000", "bid": 0.65, "bid_size": 38.0, "ask": 3.3, "ask_size": 21.0, "iv": 0.2121, "open_interest": 39.0, "volume": 0.0, "delta": -0.2107, "gamma": 0.0174, "vega": 0.2223, "theta": -0.0174, "rho": -0.1007, "theo": 2.0949, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.2, "last_trade_time": "2026-10-29T10:08:07", "percent_change": 0.0, "prev_day_close": 1.92500001192093}, {"option": "CNI270319C00120000", "bid": 9.2, "bid_size": 26.0, "ask": 12.7, "ask_size": 48.0, "iv": 0.2267, "open_interest": 49.0, "volume": 0.0, "delta": 0.7087, "gamma": 0.022, "vega": 0.26, "theta": -0.0188, "rho": 0.2755, "theo": 10.4017, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 7.7, "last_trade_time": "2026-10-20T12:57:50", "percent_change": 0.0, "prev_day_close": 10.8000001907349}, {"option": "CNI270319P00120000", "bid": 2.0, "bid_size": 26.0, "ask": 4.9, "ask_size": 24.0, "iv": 0.2121, "open_interest": 99.0, "volume": 0.0, "delta": -0.3072, "gamma": 0.0225, "vega": 0.2685, "theta": -0.0201, "rho": -0.1441, "theo": 3.2768, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.3, "last_trade_time": "2026-10-22T15:36:25", "percent_change": 0.0, "prev_day_close": 3.35000002384186}, {"option": "CNI270319C00125000", "bid": 6.8, "bid_size": 55.0, "ask": 8.5, "ask_size": 39.0, "iv": 0.2129, "open_interest": 24.0, "volume": 0.0, "delta": 0.5888, "gamma": 0.0258, "vega": 0.2957, "theta": -0.0212, "rho": 0.2337, "theo": 7.2445, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 8.0, "last_trade_time": "2026-11-02T12:36:13", "percent_change": 0.0, "prev_day_close": 8.00000023841858}, {"option": "CNI270319P00125000", "bid": 4.2, "bid_size": 26.0, "ask": 7.4, "ask_size": 23.0, "iv": 0.2216, "open_interest": 106.0, "volume": 0.0, "delta": -0.43, "gamma": 0.0264, "vega": 0.2987, "theta": -0.022, "rho": -0.1927, "theo": 5.1305, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.5, "last_trade_time": "2026-10-29T09:30:02", "percent_change": 0.0, "prev_day_close": 5.20000004768372}, {"option": "CNI270319C00130000", "bid": 3.7, "bid_size": 32.0, "ask": 7.3, "ask_size": 58.0, "iv": 0.219, "open_interest": 110.0, "volume": 0.0, "delta": 0.4595, "gamma": 0.0264, "vega": 0.3016, "theta": -0.0218, "rho": 0.1852, "theo": 4.881, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.54, "last_trade_time": "2026-10-27T10:39:12", "percent_change": 0.0, "prev_day_close": 5.45000004768372}, {"option": "CNI270319P00130000", "bid": 6.9, "bid_size": 13.0, "ask": 9.3, "ask_size": 18.0, "iv": 0.2086, "open_interest": 1.0, "volume": 0.0, "delta": -0.5633, "gamma": 0.0274, "vega": 0.2985, "theta": -0.0224, "rho": -0.2334, "theo": 7.7969, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.5, "last_trade_time": "2026-08-14T10:43:18", "percent_change": 0.0, "prev_day_close": 7.69999980926514}, {"option": "CNI270319C00135000", "bid": 2.05, "bid_size": 42.0, "ask": 4.6, "ask_size": 33.0, "iv": 0.2048, "open_interest": 38.0, "volume": 0.0, "delta": 0.3428, "gamma": 0.0239, "vega": 0.2812, "theta": -0.0207, "rho": 0.1396, "theo": 3.2652, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.7, "last_trade_time": "2026-08-28T13:06:03", "percent_change": 0.0, "prev_day_close": 3.69999992847443}, {"option": "CNI270319P00135000", "bid": 9.9, "bid_size": 8.0, "ask": 12.7, "ask_size": 8.0, "iv": 0.2052, "open_interest": 0.0, "volume": 0.0, "delta": -0.6854, "gamma": 0.0254, "vega": 0.2678, "theta": -0.0212, "rho": -0.248, "theo": 11.2317, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 11.0999999046326}, {"option": "CNI270319C00140000", "bid": 1.7, "bid_size": 7.0, "ask": 2.7, "ask_size": 30.0, "iv": 0.2092, "open_interest": 91.0, "volume": 0.0, "delta": 0.2511, "gamma": 0.0199, "vega": 0.2443, "theta": -0.0186, "rho": 0.1039, "theo": 2.2207, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.75, "last_trade_time": "2026-10-29T13:30:24", "percent_change": 0.0, "prev_day_close": 2.34999996423721}, {"option": "CNI270319P00140000", "bid": 13.4, "bid_size": 5.0, "ask": 16.6, "ask_size": 5.0, "iv": 0.1982, "open_interest": 0.0, "volume": 0.0, "delta": -0.7826, "gamma": 0.0214, "vega": 0.2224, "theta": -0.0186, "rho": -0.2473, "theo": 15.2499, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.8499999046326}, {"option": "CNI270319C00145000", "bid": 0.1, "bid_size": 23.0, "ask": 2.35, "ask_size": 5.0, "iv": 0.2026, "open_interest": 2.0, "volume": 0.0, "delta": 0.1836, "gamma": 0.0159, "vega": 0.2066, "theta": -0.0162, "rho": 0.0773, "theo": 1.5444, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.9, "last_trade_time": "2026-08-14T10:19:00", "percent_change": 0.0, "prev_day_close": 1.37499997019768}, {"option": "CNI270319P00145000", "bid": 18.2, "bid_size": 19.0, "ask": 20.7, "ask_size": 11.0, "iv": 0.2064, "open_interest": 0.0, "volume": 0.0, "delta": -0.8532, "gamma": 0.0168, "vega": 0.1723, "theta": -0.0151, "rho": -0.2306, "theo": 19.6512, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 19.2000007629395}, {"option": "CNI270319C00150000", "bid": 0.05, "bid_size": 25.0, "ask": 3.1, "ask_size": 18.0, "iv": 0.2557, "open_interest": 2.0, "volume": 0.0, "delta": 0.1357, "gamma": 0.0125, "vega": 0.1694, "theta": -0.0138, "rho": 0.0564, "theo": 1.1042, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.5, "last_trade_time": "2026-10-19T09:49:18", "percent_change": 0.0, "prev_day_close": 1.27500002458692}, {"option": "CNI270319P00150000", "bid": 22.1, "bid_size": 12.0, "ask": 26.3, "ask_size": 7.0, "iv": 0.2218, "open_interest": 0.0, "volume": 0.0, "delta": -0.9018, "gamma": 0.0126, "vega": 0.129, "theta": -0.0113, "rho": -0.2165, "theo": 24.2855, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.8000001907349}, {"option": "CNI270319C00155000", "bid": 0.05, "bid_size": 13.0, "ask": 2.45, "ask_size": 17.0, "iv": 0.269, "open_interest": 2.0, "volume": 0.0, "delta": 0.1017, "gamma": 0.0097, "vega": 0.1386, "theta": -0.0117, "rho": 0.0424, "theo": 0.8093, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.85, "last_trade_time": "2026-08-21T15:58:09", "percent_change": 0.0, "prev_day_close": 1.34999995306134}, {"option": "CNI270319P00155000", "bid": 27.5, "bid_size": 10.0, "ask": 30.4, "ask_size": 10.0, "iv": 0.2259, "open_interest": 0.0, "volume": 0.0, "delta": -0.9344, "gamma": 0.0092, "vega": 0.0955, "theta": -0.0078, "rho": -0.2024, "theo": 29.0568, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.5500001907349}, {"option": "CNI270319C00160000", "bid": 0.1, "bid_size": 6.0, "ask": 2.65, "ask_size": 20.0, "iv": 0.3062, "open_interest": 0.0, "volume": 0.0, "delta": 0.0773, "gamma": 0.0076, "vega": 0.114, "theta": -0.0099, "rho": 0.0323, "theo": 0.6061, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.875000024214387}, {"option": "CNI270319P00160000", "bid": 32.0, "bid_size": 1.0, "ask": 36.0, "ask_size": 6.0, "iv": 0.2622, "open_interest": 0.0, "volume": 0.0, "delta": -0.956, "gamma": 0.0066, "vega": 0.0695, "theta": -0.0047, "rho": -0.1966, "theo": 33.9097, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.1000003814697}, {"option": "CNI270319C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 1.45, "ask_size": 25.0, "iv": 0.2854, "open_interest": 0.0, "volume": 0.0, "delta": 0.0596, "gamma": 0.006, "vega": 0.0939, "theta": -0.0084, "rho": 0.0252, "theo": 0.4629, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00165000", "bid": 36.9, "bid_size": 1.0, "ask": 40.9, "ask_size": 1.0, "iv": 0.2762, "open_interest": 0.0, "volume": 0.0, "delta": -0.9705, "gamma": 0.0049, "vega": 0.0493, "theta": -0.0021, "rho": -0.1905, "theo": 38.8111, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.1499996185303}, {"option": "CNI270319C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 1.95, "ask_size": 18.0, "iv": 0.3312, "open_interest": 0.0, "volume": 0.0, "delta": 0.0467, "gamma": 0.0047, "vega": 0.0772, "theta": -0.0072, "rho": 0.0196, "theo": 0.3599, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00170000", "bid": 41.9, "bid_size": 8.0, "ask": 45.9, "ask_size": 8.0, "iv": 0.3036, "open_interest": 0.0, "volume": 0.0, "delta": -0.9859, "gamma": 0.0062, "vega": 0.0318, "theta": -0.0018, "rho": -0.0939, "theo": 43.7444, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.0499992370606}, {"option": "CNI270319C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 25.0, "iv": 0.3058, "open_interest": 0.0, "volume": 0.0, "delta": 0.0368, "gamma": 0.0038, "vega": 0.0635, "theta": -0.0061, "rho": 0.0154, "theo": 0.2824, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00175000", "bid": 46.8, "bid_size": 9.0, "ask": 50.9, "ask_size": 1.0, "iv": 0.3215, "open_interest": 0.0, "volume": 0.0, "delta": -0.9964, "gamma": 0.0018, "vega": 0.0, "theta": -0.0139, "rho": 0.0, "theo": 48.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.0499992370606}, {"option": "CNI270319C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 2.3, "ask_size": 19.0, "iv": 0.3925, "open_interest": 0.0, "volume": 0.0, "delta": 0.0296, "gamma": 0.0031, "vega": 0.0538, "theta": -0.0052, "rho": 0.0125, "theo": 0.2264, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00180000", "bid": 51.7, "bid_size": 1.0, "ask": 55.9, "ask_size": 1.0, "iv": 0.3371, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0139, "rho": 0.0, "theo": 53.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 53.0499992370606}, {"option": "CNI270319C00185000", "bid": 0.0, "bid_size": 0.0, "ask": 2.25, "ask_size": 21.0, "iv": 0.4127, "open_interest": 0.0, "volume": 0.0, "delta": 0.024, "gamma": 0.0025, "vega": 0.0448, "theta": -0.0045, "rho": 0.01, "theo": 0.1831, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00185000", "bid": 56.7, "bid_size": 2.0, "ask": 60.9, "ask_size": 6.0, "iv": 0.3617, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0139, "rho": 0.0, "theo": 58.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 58.0499992370606}, {"option": "CNI270319C00190000", "bid": 0.0, "bid_size": 0.0, "ask": 2.2, "ask_size": 20.0, "iv": 0.432, "open_interest": 0.0, "volume": 0.0, "delta": 0.0196, "gamma": 0.002, "vega": 0.0381, "theta": -0.0039, "rho": 0.0082, "theo": 0.1493, "change": 0.0, "open": 0.0, "high": 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": "CNI270319P00190000", "bid": 61.9, "bid_size": 8.0, "ask": 65.9, "ask_size": 1.0, "iv": 0.4048, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": -0.0139, "rho": 0.0, "theo": 63.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 63.0499992370606}, {"option": "CNI270416C00070000", "bid": 54.7, "bid_size": 1.0, "ask": 58.6, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9901, "gamma": 0.0008, "vega": 0.0214, "theta": 0.0, "rho": 0.2367, "theo": 56.7655, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 57.3999996185303}, {"option": "CNI270416P00070000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 13.0, "iv": 0.5049, "open_interest": 0.0, "volume": 0.0, "delta": -0.0114, "gamma": 0.0008, "vega": 0.0257, "theta": -0.003, "rho": -0.0066, "theo": 0.1435, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00075000", "bid": 49.6, "bid_size": 6.0, "ask": 53.7, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9866, "gamma": 0.0011, "vega": 0.028, "theta": 0.0, "rho": 0.2536, "theo": 51.8799, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 52.5}, {"option": "CNI270416P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 15.0, "iv": 0.4538, "open_interest": 0.0, "volume": 0.0, "delta": -0.0152, "gamma": 0.0012, "vega": 0.033, "theta": -0.0036, "rho": -0.0088, "theo": 0.1828, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00080000", "bid": 44.7, "bid_size": 2.0, "ask": 48.8, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9819, "gamma": 0.0015, "vega": 0.0379, "theta": 0.0, "rho": 0.2705, "theo": 47.0063, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 47.5499992370606}, {"option": "CNI270416P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 2.25, "ask_size": 13.0, "iv": 0.4886, "open_interest": 0.0, "volume": 0.0, "delta": -0.0204, "gamma": 0.0016, "vega": 0.0424, "theta": -0.0043, "rho": -0.0117, "theo": 0.2361, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00085000", "bid": 40.0, "bid_size": 1.0, "ask": 43.9, "ask_size": 1.0, "iv": 0.2676, "open_interest": 0.0, "volume": 0.0, "delta": 0.975, "gamma": 0.0021, "vega": 0.0496, "theta": 0.0, "rho": 0.2846, "theo": 42.1522, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 42.5999984741211}, {"option": "CNI270416P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 13.0, "iv": 0.4106, "open_interest": 0.0, "volume": 0.0, "delta": -0.0277, "gamma": 0.0023, "vega": 0.055, "theta": -0.0052, "rho": -0.0158, "theo": 0.3095, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00090000", "bid": 35.8, "bid_size": 7.0, "ask": 38.2, "ask_size": 10.0, "iv": 0.2133, "open_interest": 0.0, "volume": 0.0, "delta": 0.9652, "gamma": 0.003, "vega": 0.0642, "theta": 0.0, "rho": 0.2999, "theo": 37.3273, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 37.75}, {"option": "CNI270416P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 14.0, "iv": 0.317, "open_interest": 0.0, "volume": 0.0, "delta": -0.0381, "gamma": 0.0032, "vega": 0.0714, "theta": -0.0063, "rho": -0.0216, "theo": 0.413, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00095000", "bid": 31.2, "bid_size": 7.0, "ask": 33.4, "ask_size": 7.0, "iv": 0.2506, "open_interest": 0.0, "volume": 0.0, "delta": 0.9508, "gamma": 0.0043, "vega": 0.0853, "theta": 0.0, "rho": 0.314, "theo": 32.5461, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.8500003814697}, {"option": "CNI270416P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 1.25, "ask_size": 19.0, "iv": 0.2925, "open_interest": 0.0, "volume": 0.0, "delta": -0.0531, "gamma": 0.0045, "vega": 0.093, "theta": -0.0077, "rho": -0.0299, "theo": 0.5624, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.29999995231628}, {"option": "CNI270416C00100000", "bid": 26.3, "bid_size": 11.0, "ask": 29.7, "ask_size": 9.0, "iv": 0.2794, "open_interest": 12.0, "volume": 0.0, "delta": 0.9296, "gamma": 0.0062, "vega": 0.1132, "theta": -0.0026, "rho": 0.3255, "theo": 27.8339, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.42, "last_trade_time": "2026-10-14T13:30:06", "percent_change": 0.0, "prev_day_close": 28.1500005722046}, {"option": "CNI270416P00100000", "bid": 0.05, "bid_size": 17.0, "ask": 1.2, "ask_size": 15.0, "iv": 0.2506, "open_interest": 0.0, "volume": 0.0, "delta": -0.0751, "gamma": 0.0064, "vega": 0.1214, "theta": -0.0094, "rho": -0.042, "theo": 0.7836, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.05000000074506}, {"option": "CNI270416C00105000", "bid": 21.1, "bid_size": 12.0, "ask": 25.1, "ask_size": 11.0, "iv": 0.2368, "open_interest": 4.0, "volume": 0.0, "delta": 0.8982, "gamma": 0.0087, "vega": 0.1506, "theta": -0.0058, "rho": 0.3326, "theo": 23.2329, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 26.0, "last_trade_time": "2026-08-24T10:36:28", "percent_change": 0.0, "prev_day_close": 23.5}, {"option": "CNI270416P00105000", "bid": 0.4, "bid_size": 8.0, "ask": 1.55, "ask_size": 12.0, "iv": 0.2363, "open_interest": 3.0, "volume": 0.0, "delta": -0.1076, "gamma": 0.009, "vega": 0.1578, "theta": -0.0114, "rho": -0.0598, "theo": 1.1199, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.47, "last_trade_time": "2026-10-27T15:48:33", "percent_change": 0.0, "prev_day_close": 1.25}, {"option": "CNI270416C00110000", "bid": 17.1, "bid_size": 10.0, "ask": 19.9, "ask_size": 11.0, "iv": 0.2126, "open_interest": 7.0, "volume": 0.0, "delta": 0.8518, "gamma": 0.0121, "vega": 0.1962, "theta": -0.0092, "rho": 0.3394, "theo": 18.8145, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 16.7, "last_trade_time": "2026-09-04T15:42:24", "percent_change": 0.0, "prev_day_close": 19.0500001907349}, {"option": "CNI270416P00110000", "bid": 0.25, "bid_size": 25.0, "ask": 2.6, "ask_size": 6.0, "iv": 0.2188, "open_interest": 21.0, "volume": 0.0, "delta": -0.1546, "gamma": 0.0124, "vega": 0.2021, "theta": -0.0136, "rho": -0.0848, "theo": 1.6372, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.4, "last_trade_time": "2026-10-21T11:56:22", "percent_change": 0.0, "prev_day_close": 1.34999996423721}, {"option": "CNI270416C00115000", "bid": 13.6, "bid_size": 16.0, "ask": 16.1, "ask_size": 12.0, "iv": 0.2227, "open_interest": 3.0, "volume": 0.0, "delta": 0.7851, "gamma": 0.0162, "vega": 0.2454, "theta": -0.0128, "rho": 0.3278, "theo": 14.6917, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 11.4, "last_trade_time": "2026-10-20T13:20:01", "percent_change": 0.0, "prev_day_close": 15.0500001907349}, {"option": "CNI270416P00115000", "bid": 1.05, "bid_size": 26.0, "ask": 3.5, "ask_size": 13.0, "iv": 0.2088, "open_interest": 11.0, "volume": 0.0, "delta": -0.2229, "gamma": 0.0166, "vega": 0.251, "theta": -0.0161, "rho": -0.1207, "theo": 2.4598, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-10-28T15:16:48", "percent_change": 0.0, "prev_day_close": 2.32500004768372}, {"option": "CNI270416C00120000", "bid": 10.2, "bid_size": 17.0, "ask": 12.5, "ask_size": 11.0, "iv": 0.2178, "open_interest": 8.0, "volume": 0.0, "delta": 0.6949, "gamma": 0.0203, "vega": 0.2938, "theta": -0.016, "rho": 0.3093, "theo": 11.0234, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 10.62, "last_trade_time": "2026-10-30T11:27:46", "percent_change": 0.0, "prev_day_close": 11.3999996185303}, {"option": "CNI270416P00120000", "bid": 2.85, "bid_size": 24.0, "ask": 5.1, "ask_size": 12.0, "iv": 0.2145, "open_interest": 1.0, "volume": 0.0, "delta": -0.3152, "gamma": 0.0208, "vega": 0.2976, "theta": -0.0183, "rho": -0.1674, "theo": 3.7456, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.9, "last_trade_time": "2026-08-27T10:41:50", "percent_change": 0.0, "prev_day_close": 3.75000011920929}, {"option": "CNI270416C00125000", "bid": 6.3, "bid_size": 22.0, "ask": 10.5, "ask_size": 18.0, "iv": 0.2148, "open_interest": 24.0, "volume": 0.0, "delta": 0.5856, "gamma": 0.023, "vega": 0.3262, "theta": -0.0184, "rho": 0.2748, "theo": 7.9794, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.7, "last_trade_time": "2026-10-09T14:20:10", "percent_change": 0.0, "prev_day_close": 8.75}, {"option": "CNI270416P00125000", "bid": 4.5, "bid_size": 12.0, "ask": 7.7, "ask_size": 13.0, "iv": 0.215, "open_interest": 26.0, "volume": 0.0, "delta": -0.428, "gamma": 0.0239, "vega": 0.3269, "theta": -0.0197, "rho": -0.2187, "theo": 5.6708, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 6.9, "last_trade_time": "2026-10-22T15:47:21", "percent_change": 0.0, "prev_day_close": 5.54999995231628}, {"option": "CNI270416C00130000", "bid": 4.0, "bid_size": 35.0, "ask": 7.6, "ask_size": 19.0, "iv": 0.2063, "open_interest": 12.0, "volume": 0.0, "delta": 0.4708, "gamma": 0.0235, "vega": 0.3331, "theta": -0.0193, "rho": 0.2303, "theo": 5.6521, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 5.0, "last_trade_time": "2026-10-30T11:33:46", "percent_change": 0.0, "prev_day_close": 5.95000004768372}, {"option": "CNI270416P00130000", "bid": 6.7, "bid_size": 22.0, "ask": 9.9, "ask_size": 12.0, "iv": 0.2008, "open_interest": 64.0, "volume": 0.0, "delta": -0.5484, "gamma": 0.0249, "vega": 0.3283, "theta": -0.0199, "rho": -0.2624, "theo": 8.3352, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 9.3, "last_trade_time": "2026-10-28T11:50:20", "percent_change": 0.0, "prev_day_close": 8.09999990463257}, {"option": "CNI270416C00135000", "bid": 3.4, "bid_size": 51.0, "ask": 4.3, "ask_size": 8.0, "iv": 0.2012, "open_interest": 32.0, "volume": 0.0, "delta": 0.3662, "gamma": 0.0217, "vega": 0.3158, "theta": -0.0189, "rho": 0.1842, "theo": 3.9918, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.4, "last_trade_time": "2026-11-02T13:40:47", "percent_change": 0.0, "prev_day_close": 4.45000004768372}, {"option": "CNI270416P00135000", "bid": 10.6, "bid_size": 6.0, "ask": 12.9, "ask_size": 8.0, "iv": 0.2075, "open_interest": 0.0, "volume": 0.0, "delta": -0.6607, "gamma": 0.0237, "vega": 0.3031, "theta": -0.0188, "rho": -0.285, "theo": 11.6945, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 11.5999999046326}, {"option": "CNI270416C00140000", "bid": 1.85, "bid_size": 7.0, "ask": 3.6, "ask_size": 14.0, "iv": 0.2077, "open_interest": 25.0, "volume": 0.0, "delta": 0.2805, "gamma": 0.0189, "vega": 0.284, "theta": -0.0176, "rho": 0.1438, "theo": 2.8521, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.4, "last_trade_time": "2026-10-23T12:51:13", "percent_change": 0.0, "prev_day_close": 2.625}, {"option": "CNI270416P00140000", "bid": 14.3, "bid_size": 7.0, "ask": 16.4, "ask_size": 8.0, "iv": 0.2019, "open_interest": 0.0, "volume": 0.0, "delta": -0.7546, "gamma": 0.0209, "vega": 0.2585, "theta": -0.0166, "rho": -0.2814, "theo": 15.6063, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 15.0999999046326}, {"option": "CNI270416C00145000", "bid": 0.3, "bid_size": 52.0, "ask": 2.5, "ask_size": 33.0, "iv": 0.1908, "open_interest": 4.0, "volume": 0.0, "delta": 0.2144, "gamma": 0.0157, "vega": 0.2472, "theta": -0.0159, "rho": 0.1115, "theo": 2.0762, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.56, "last_trade_time": "2026-11-02T10:47:18", "percent_change": 0.0, "prev_day_close": 1.65000003576279}, {"option": "CNI270416P00145000", "bid": 18.6, "bid_size": 11.0, "ask": 20.7, "ask_size": 11.0, "iv": 0.2072, "open_interest": 0.0, "volume": 0.0, "delta": -0.8269, "gamma": 0.0173, "vega": 0.2084, "theta": -0.0134, "rho": -0.2683, "theo": 19.9052, "change": 0.0, "open": 0.0, "high": 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": "CNI270416C00150000", "bid": 0.2, "bid_size": 26.0, "ask": 3.3, "ask_size": 20.0, "iv": 0.2389, "open_interest": 0.0, "volume": 0.0, "delta": 0.1649, "gamma": 0.0129, "vega": 0.2113, "theta": -0.014, "rho": 0.0859, "theo": 1.5429, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.775000000372529}, {"option": "CNI270416P00150000", "bid": 22.3, "bid_size": 11.0, "ask": 26.2, "ask_size": 11.0, "iv": 0.2149, "open_interest": 0.0, "volume": 0.0, "delta": -0.8798, "gamma": 0.0137, "vega": 0.1615, "theta": -0.0096, "rho": -0.2494, "theo": 24.4567, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 22.95, "last_trade_time": "2026-08-26T10:46:10", "percent_change": 0.0, "prev_day_close": 23.8999996185303}, {"option": "CNI270416C00155000", "bid": 0.1, "bid_size": 14.0, "ask": 2.3, "ask_size": 20.0, "iv": 0.2399, "open_interest": 0.0, "volume": 0.0, "delta": 0.1281, "gamma": 0.0104, "vega": 0.179, "theta": -0.0123, "rho": 0.0667, "theo": 1.1694, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.40000002458692}, {"option": "CNI270416P00155000", "bid": 28.0, "bid_size": 10.0, "ask": 30.1, "ask_size": 10.0, "iv": 0.2272, "open_interest": 0.0, "volume": 0.0, "delta": -0.9172, "gamma": 0.0105, "vega": 0.1225, "theta": -0.0058, "rho": -0.2283, "theo": 29.1675, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 28.9500007629394}, {"option": "CNI270416C00160000", "bid": 0.05, "bid_size": 7.0, "ask": 2.25, "ask_size": 19.0, "iv": 0.2633, "open_interest": 0.0, "volume": 0.0, "delta": 0.1006, "gamma": 0.0084, "vega": 0.1512, "theta": -0.0108, "rho": 0.0523, "theo": 0.9025, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.42500004917383}, {"option": "CNI270416P00160000", "bid": 32.0, "bid_size": 1.0, "ask": 36.0, "ask_size": 1.0, "iv": 0.2499, "open_interest": 0.0, "volume": 0.0, "delta": -0.9432, "gamma": 0.0078, "vega": 0.0931, "theta": -0.0021, "rho": -0.2148, "theo": 33.9773, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.3500003814697}, {"option": "CNI270416C00165000", "bid": 0.05, "bid_size": 9.0, "ask": 2.75, "ask_size": 16.0, "iv": 0.3035, "open_interest": 0.0, "volume": 0.0, "delta": 0.0798, "gamma": 0.0069, "vega": 0.1278, "theta": -0.0094, "rho": 0.0414, "theo": 0.7077, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.25000002421439}, {"option": "CNI270416P00165000", "bid": 37.0, "bid_size": 8.0, "ask": 41.0, "ask_size": 2.0, "iv": 0.2766, "open_interest": 0.0, "volume": 0.0, "delta": -0.9612, "gamma": 0.0059, "vega": 0.0673, "theta": 0.0, "rho": -0.2076, "theo": 38.851, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.1000003814697}, {"option": "CNI270416C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 1.45, "ask_size": 26.0, "iv": 0.28, "open_interest": 0.0, "volume": 0.0, "delta": 0.0639, "gamma": 0.0056, "vega": 0.1081, "theta": -0.0082, "rho": 0.0331, "theo": 0.5604, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.10000002384186}, {"option": "CNI270416P00170000", "bid": 41.9, "bid_size": 1.0, "ask": 45.9, "ask_size": 1.0, "iv": 0.2892, "open_interest": 0.0, "volume": 0.0, "delta": -0.9788, "gamma": 0.0071, "vega": 0.0479, "theta": 0.0, "rho": -0.1047, "theo": 43.7622, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.1499996185303}, {"option": "CNI270416C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 33.0, "iv": 0.2763, "open_interest": 0.0, "volume": 0.0, "delta": 0.0518, "gamma": 0.0046, "vega": 0.0918, "theta": -0.0071, "rho": 0.0268, "theo": 0.4515, "change": 0.0, "open": 0.0, "high": 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": "CNI270416P00175000", "bid": 46.9, "bid_size": 1.0, "ask": 50.9, "ask_size": 1.0, "iv": 0.314, "open_interest": 0.0, "volume": 0.0, "delta": -0.9922, "gamma": 0.0038, "vega": 0.0115, "theta": -0.0079, "rho": 0.0, "theo": 48.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.0499992370606}, {"option": "CNI270416C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 2.1, "ask_size": 20.0, "iv": 0.3481, "open_interest": 0.0, "volume": 0.0, "delta": 0.0424, "gamma": 0.0038, "vega": 0.0785, "theta": -0.0062, "rho": 0.0218, "theo": 0.3677, "change": 0.0, "open": 0.0, "high": 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": "CNI270416P00180000", "bid": 52.3, "bid_size": 1.0, "ask": 55.9, "ask_size": 1.0, "iv": 0.3621, "open_interest": 0.0, "volume": 0.0, "delta": -0.9991, "gamma": 0.0004, "vega": 0.0, "theta": -0.0225, "rho": 0.0, "theo": 53.735, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 53.0499992370606}], "symbol": "CNI", "security_type": "stock", "exchange_id": 3, "current_price": 126.3, "price_change": -0.49, "price_change_percent": -0.3865, "bid": 121.5, "ask": 129.5, "bid_size": 100, "ask_size": 100, "open": 125.96, "high": 126.82, "low": 125.2803, "close": 126.3, "prev_day_close": 126.79, "volume": 994700, "iv30": 20.426, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 19602408714, "last_trade_time": "2026-11-03T15:59:59", "tick": "up"}, "symbol": "CNI"}