{"timestamp": "2026-11-10 23:28:18", "data": {"options": [{"option": "CHCO261120C00115000", "bid": 25.5, "bid_size": 13.0, "ask": 30.0, "ask_size": 13.0, "iv": 0.7475, "open_interest": 0.0, "volume": 0.0, "delta": 0.9472, "gamma": 0.0055, "vega": 0.0252, "theta": -0.0962, "rho": 0.0223, "theo": 27.9269, "change": 0.0, "open": 0.0, "high": 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": "CHCO261120P00115000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.3285, "open_interest": 0.0, "volume": 0.0, "delta": -0.0522, "gamma": 0.0054, "vega": 0.0252, "theta": -0.0992, "rho": -0.0024, "theo": 0.4426, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120C00120000", "bid": 20.6, "bid_size": 12.0, "ask": 25.0, "ask_size": 12.0, "iv": 0.6434, "open_interest": 0.0, "volume": 0.0, "delta": 0.9315, "gamma": 0.0077, "vega": 0.031, "theta": -0.1046, "rho": 0.024, "theo": 23.0099, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.3500003814697}, {"option": "CHCO261120P00120000", "bid": 0.0, "bid_size": 0.0, "ask": 3.0, "ask_size": 13.0, "iv": 0.9652, "open_interest": 0.0, "volume": 0.0, "delta": -0.0678, "gamma": 0.0077, "vega": 0.031, "theta": -0.1071, "rho": -0.0031, "theo": 0.5217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.5}, {"option": "CHCO261120C00125000", "bid": 15.5, "bid_size": 14.0, "ask": 20.3, "ask_size": 13.0, "iv": 0.5503, "open_interest": 0.0, "volume": 0.0, "delta": 0.908, "gamma": 0.0113, "vega": 0.0389, "theta": -0.1136, "rho": 0.0262, "theo": 18.123, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 18.5}, {"option": "CHCO261120P00125000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.9622, "open_interest": 0.0, "volume": 0.0, "delta": -0.0912, "gamma": 0.0113, "vega": 0.0389, "theta": -0.1156, "rho": -0.0041, "theo": 0.6305, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120C00130000", "bid": 10.5, "bid_size": 14.0, "ask": 15.3, "ask_size": 13.0, "iv": 0.4179, "open_interest": 0.0, "volume": 0.0, "delta": 0.8697, "gamma": 0.0175, "vega": 0.05, "theta": -0.123, "rho": 0.0287, "theo": 13.2909, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 13.5999999046326}, {"option": "CHCO261120P00130000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.7784, "open_interest": 0.0, "volume": 0.0, "delta": -0.1293, "gamma": 0.0175, "vega": 0.05, "theta": -0.1244, "rho": -0.0058, "theo": 0.7936, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120C00135000", "bid": 6.0, "bid_size": 14.0, "ask": 10.8, "ask_size": 13.0, "iv": 0.373, "open_interest": 0.0, "volume": 0.0, "delta": 0.7994, "gamma": 0.0294, "vega": 0.0663, "theta": -0.1318, "rho": 0.0306, "theo": 8.5833, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.99999976158142}, {"option": "CHCO261120P00135000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.5888, "open_interest": 1.0, "volume": 0.0, "delta": -0.1996, "gamma": 0.0294, "vega": 0.0663, "theta": -0.1327, "rho": -0.0086, "theo": 1.0807, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.0, "last_trade_time": "2026-10-14T09:32:13", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120C00140000", "bid": 2.05, "bid_size": 12.0, "ask": 6.5, "ask_size": 14.0, "iv": 0.3052, "open_interest": 0.0, "volume": 0.0, "delta": 0.6444, "gamma": 0.051, "vega": 0.0879, "theta": -0.137, "rho": 0.0281, "theo": 4.2973, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.73, "last_trade_time": "2026-11-06T09:31:40", "percent_change": 0.0, "prev_day_close": 5.04999995231628}, {"option": "CHCO261120P00140000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3822, "open_interest": 1.0, "volume": 0.0, "delta": -0.3546, "gamma": 0.051, "vega": 0.0879, "theta": -0.1375, "rho": -0.015, "theo": 1.7889, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.5, "last_trade_time": "2026-11-04T09:35:17", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120C00145000", "bid": 0.0, "bid_size": 0.0, "ask": 3.0, "ask_size": 15.0, "iv": 0.2689, "open_interest": 4.0, "volume": 0.0, "delta": 0.3723, "gamma": 0.0537, "vega": 0.0894, "theta": -0.1346, "rho": 0.0167, "theo": 1.7475, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.37, "last_trade_time": "2026-11-06T10:22:37", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00145000", "bid": 1.25, "bid_size": 13.0, "ask": 6.0, "ask_size": 14.0, "iv": 0.2272, "open_interest": 0.0, "volume": 0.0, "delta": -0.6271, "gamma": 0.0538, "vega": 0.0894, "theta": -0.1346, "rho": -0.0243, "theo": 4.2344, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.69999998807907}, {"option": "CHCO261120C00150000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.5577, "open_interest": 0.0, "volume": 0.0, "delta": 0.2141, "gamma": 0.0329, "vega": 0.0691, "theta": -0.1283, "rho": 0.0096, "theo": 1.0317, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00150000", "bid": 5.0, "bid_size": 14.0, "ask": 9.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7856, "gamma": 0.033, "vega": 0.069, "theta": -0.1277, "rho": -0.0281, "theo": 8.5152, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.90000009536743}, {"option": "CHCO261120C00155000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.7121, "open_interest": 0.0, "volume": 0.0, "delta": 0.1446, "gamma": 0.0209, "vega": 0.054, "theta": -0.1212, "rho": 0.0064, "theo": 0.766, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00155000", "bid": 10.1, "bid_size": 13.0, "ask": 14.9, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8552, "gamma": 0.0209, "vega": 0.0538, "theta": -0.12, "rho": -0.0298, "theo": 13.2465, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 11.8499999046326}, {"option": "CHCO261120C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.8497, "open_interest": 0.0, "volume": 0.0, "delta": 0.1075, "gamma": 0.0144, "vega": 0.0439, "theta": -0.1146, "rho": 0.0047, "theo": 0.6232, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00160000", "bid": 15.0, "bid_size": 14.0, "ask": 19.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8924, "gamma": 0.0145, "vega": 0.0437, "theta": -0.1128, "rho": -0.0302, "theo": 18.1006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 16.8500003814697}, {"option": "CHCO261120C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.9754, "open_interest": 0.0, "volume": 0.0, "delta": 0.0848, "gamma": 0.0106, "vega": 0.0368, "theta": -0.1086, "rho": 0.0037, "theo": 0.5315, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00165000", "bid": 20.0, "bid_size": 14.0, "ask": 24.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9151, "gamma": 0.0107, "vega": 0.0366, "theta": -0.1064, "rho": -0.0298, "theo": 23.0058, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 21.8500003814697}, {"option": "CHCO261120C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.092, "open_interest": 0.0, "volume": 0.0, "delta": 0.0696, "gamma": 0.0082, "vega": 0.0316, "theta": -0.1033, "rho": 0.003, "theo": 0.4666, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00170000", "bid": 25.0, "bid_size": 14.0, "ask": 29.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9305, "gamma": 0.0082, "vega": 0.0314, "theta": -0.1007, "rho": -0.0296, "theo": 27.9381, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 26.8500003814697}, {"option": "CHCO261120C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.2011, "open_interest": 0.0, "volume": 0.0, "delta": 0.0588, "gamma": 0.0065, "vega": 0.0277, "theta": -0.0986, "rho": 0.0025, "theo": 0.4178, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261120P00175000", "bid": 30.0, "bid_size": 15.0, "ask": 35.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9414, "gamma": 0.0066, "vega": 0.0274, "theta": -0.0955, "rho": -0.0292, "theo": 32.8866, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.0}, {"option": "CHCO261218C00075000", "bid": 65.6, "bid_size": 2.0, "ask": 70.5, "ask_size": 12.0, "iv": 1.1527, "open_interest": 0.0, "volume": 0.0, "delta": 0.9763, "gamma": 0.0011, "vega": 0.0243, "theta": -0.0296, "rho": 0.0418, "theo": 67.8901, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 60.08, "last_trade_time": "2026-07-06T11:40:15", "percent_change": 0.0, "prev_day_close": 68.5499992370606}, {"option": "CHCO261218P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 0.6, "ask_size": 1.0, "iv": 1.0102, "open_interest": 3.0, "volume": 0.0, "delta": -0.023, "gamma": 0.0011, "vega": 0.025, "theta": -0.0347, "rho": -0.0039, "theo": 0.4757, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.63, "last_trade_time": "2026-06-09T12:34:39", "percent_change": 0.0, "prev_day_close": 0.300000011920929}, {"option": "CHCO261218C00080000", "bid": 60.6, "bid_size": 2.0, "ask": 65.5, "ask_size": 12.0, "iv": 1.0476, "open_interest": 0.0, "volume": 0.0, "delta": 0.9722, "gamma": 0.0014, "vega": 0.0277, "theta": -0.032, "rho": 0.0447, "theo": 62.946, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 63.5499992370606}, {"option": "CHCO261218P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.4354, "open_interest": 0.0, "volume": 0.0, "delta": -0.0268, "gamma": 0.0013, "vega": 0.0285, "theta": -0.0368, "rho": -0.0044, "theo": 0.5223, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00085000", "bid": 55.6, "bid_size": 13.0, "ask": 60.5, "ask_size": 15.0, "iv": 0.9486, "open_interest": 0.0, "volume": 0.0, "delta": 0.9674, "gamma": 0.0017, "vega": 0.032, "theta": -0.0344, "rho": 0.0508, "theo": 58.0075, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 58.6499996185303}, {"option": "CHCO261218P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.313, "open_interest": 0.0, "volume": 0.0, "delta": -0.0314, "gamma": 0.0016, "vega": 0.0325, "theta": -0.0388, "rho": -0.0052, "theo": 0.574, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00090000", "bid": 50.6, "bid_size": 13.0, "ask": 55.5, "ask_size": 15.0, "iv": 0.855, "open_interest": 0.0, "volume": 0.0, "delta": 0.9618, "gamma": 0.0021, "vega": 0.0367, "theta": -0.0368, "rho": 0.0559, "theo": 53.0764, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 53.6000003814697}, {"option": "CHCO261218P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.197, "open_interest": 0.0, "volume": 0.0, "delta": -0.0368, "gamma": 0.002, "vega": 0.0371, "theta": -0.0409, "rho": -0.006, "theo": 0.6317, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00095000", "bid": 45.7, "bid_size": 13.0, "ask": 50.5, "ask_size": 14.0, "iv": 0.779, "open_interest": 0.0, "volume": 0.0, "delta": 0.955, "gamma": 0.0026, "vega": 0.0422, "theta": -0.0393, "rho": 0.0616, "theo": 48.1534, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 48.6499996185303}, {"option": "CHCO261218P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 1.0866, "open_interest": 0.0, "volume": 0.0, "delta": -0.0434, "gamma": 0.0025, "vega": 0.0425, "theta": -0.043, "rho": -0.007, "theo": 0.697, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00100000", "bid": 40.6, "bid_size": 13.0, "ask": 45.5, "ask_size": 15.0, "iv": 0.6812, "open_interest": 0.0, "volume": 0.0, "delta": 0.9467, "gamma": 0.0032, "vega": 0.0485, "theta": -0.0418, "rho": 0.0671, "theo": 43.2413, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 43.75}, {"option": "CHCO261218P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.9809, "open_interest": 0.0, "volume": 0.0, "delta": -0.0514, "gamma": 0.0032, "vega": 0.0486, "theta": -0.0452, "rho": -0.0083, "theo": 0.7717, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00105000", "bid": 35.7, "bid_size": 13.0, "ask": 40.5, "ask_size": 14.0, "iv": 0.6108, "open_interest": 0.0, "volume": 0.0, "delta": 0.9364, "gamma": 0.004, "vega": 0.056, "theta": -0.0443, "rho": 0.0735, "theo": 38.342, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 38.75}, {"option": "CHCO261218P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.8791, "open_interest": 4.0, "volume": 0.0, "delta": -0.0614, "gamma": 0.004, "vega": 0.0561, "theta": -0.0474, "rho": -0.0097, "theo": 0.8585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.5, "last_trade_time": "2026-06-22T10:21:33", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00110000", "bid": 31.0, "bid_size": 12.0, "ask": 35.5, "ask_size": 14.0, "iv": 0.5593, "open_interest": 0.0, "volume": 0.0, "delta": 0.9235, "gamma": 0.0052, "vega": 0.0648, "theta": -0.0468, "rho": 0.0798, "theo": 33.4604, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 33.8000001907349}, {"option": "CHCO261218P00110000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.7805, "open_interest": 0.0, "volume": 0.0, "delta": -0.0741, "gamma": 0.0051, "vega": 0.0648, "theta": -0.0495, "rho": -0.0118, "theo": 0.9616, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00115000", "bid": 26.0, "bid_size": 14.0, "ask": 30.5, "ask_size": 12.0, "iv": 0.4799, "open_interest": 0.0, "volume": 0.0, "delta": 0.9067, "gamma": 0.0067, "vega": 0.0756, "theta": -0.0493, "rho": 0.0875, "theo": 28.6021, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 29.0}, {"option": "CHCO261218P00115000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.6844, "open_interest": 0.0, "volume": 0.0, "delta": -0.0906, "gamma": 0.0066, "vega": 0.0755, "theta": -0.0517, "rho": -0.0141, "theo": 1.0868, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00120000", "bid": 21.0, "bid_size": 14.0, "ask": 25.8, "ask_size": 13.0, "iv": 0.423, "open_interest": 0.0, "volume": 0.0, "delta": 0.8843, "gamma": 0.0089, "vega": 0.0886, "theta": -0.0517, "rho": 0.0946, "theo": 23.7777, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 24.3000001907349}, {"option": "CHCO261218P00120000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.59, "open_interest": 0.0, "volume": 0.0, "delta": -0.1127, "gamma": 0.0088, "vega": 0.0885, "theta": -0.0537, "rho": -0.0174, "theo": 1.2443, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00125000", "bid": 16.5, "bid_size": 12.0, "ask": 21.0, "ask_size": 14.0, "iv": 0.3828, "open_interest": 2.0, "volume": 0.0, "delta": 0.853, "gamma": 0.012, "vega": 0.1049, "theta": -0.0538, "rho": 0.1018, "theo": 19.0056, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 22.5, "last_trade_time": "2026-07-31T09:33:23", "percent_change": 0.0, "prev_day_close": 19.25}, {"option": "CHCO261218P00125000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4963, "open_interest": 1.0, "volume": 0.0, "delta": -0.1437, "gamma": 0.012, "vega": 0.1048, "theta": -0.0555, "rho": -0.022, "theo": 1.4526, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 5.0, "last_trade_time": "2026-07-08T09:30:03", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00130000", "bid": 11.8, "bid_size": 13.0, "ask": 16.5, "ask_size": 14.0, "iv": 0.3339, "open_interest": 0.0, "volume": 0.0, "delta": 0.8069, "gamma": 0.0168, "vega": 0.1253, "theta": -0.0555, "rho": 0.106, "theo": 14.3236, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.8000001907349}, {"option": "CHCO261218P00130000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.402, "open_interest": 0.0, "volume": 0.0, "delta": -0.1898, "gamma": 0.0169, "vega": 0.1253, "theta": -0.0568, "rho": -0.0287, "theo": 1.7494, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00135000", "bid": 7.6, "bid_size": 13.0, "ask": 12.4, "ask_size": 13.0, "iv": 0.3018, "open_interest": 4.0, "volume": 0.0, "delta": 0.7332, "gamma": 0.0243, "vega": 0.1504, "theta": -0.0563, "rho": 0.1029, "theo": 9.8247, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 7.0, "last_trade_time": "2026-07-08T09:30:03", "percent_change": 0.0, "prev_day_close": 11.0}, {"option": "CHCO261218P00135000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3048, "open_interest": 0.0, "volume": 0.0, "delta": -0.2636, "gamma": 0.0244, "vega": 0.1507, "theta": -0.0573, "rho": -0.0385, "theo": 2.2285, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218C00140000", "bid": 3.8, "bid_size": 13.0, "ask": 8.5, "ask_size": 14.0, "iv": 0.2608, "open_interest": 2.0, "volume": 0.0, "delta": 0.6071, "gamma": 0.0344, "vega": 0.176, "theta": -0.0555, "rho": 0.0884, "theo": 5.7995, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.26, "last_trade_time": "2026-09-18T15:50:21", "percent_change": 0.0, "prev_day_close": 6.79999995231628}, {"option": "CHCO261218P00140000", "bid": 0.85, "bid_size": 26.0, "ask": 5.5, "ask_size": 22.0, "iv": 0.2404, "open_interest": 11.0, "volume": 0.0, "delta": -0.3904, "gamma": 0.0346, "vega": 0.1763, "theta": -0.056, "rho": -0.0552, "theo": 3.183, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.3, "last_trade_time": "2026-11-09T10:47:03", "percent_change": 0.0, "prev_day_close": 2.70000004768372}, {"option": "CHCO261218C00145000", "bid": 1.05, "bid_size": 13.0, "ask": 5.9, "ask_size": 13.0, "iv": 0.2471, "open_interest": 0.0, "volume": 0.0, "delta": 0.4234, "gamma": 0.0377, "vega": 0.1797, "theta": -0.0529, "rho": 0.0626, "theo": 3.0566, "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": 3.89999997615814}, {"option": "CHCO261218P00145000", "bid": 2.65, "bid_size": 13.0, "ask": 7.5, "ask_size": 14.0, "iv": 0.2043, "open_interest": 0.0, "volume": 0.0, "delta": -0.5755, "gamma": 0.0381, "vega": 0.1796, "theta": -0.0531, "rho": -0.0768, "theo": 5.4258, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.75}, {"option": "CHCO261218C00150000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2845, "open_interest": 0.0, "volume": 0.0, "delta": 0.2796, "gamma": 0.0292, "vega": 0.1552, "theta": -0.0505, "rho": 0.0414, "theo": 1.8921, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00150000", "bid": 6.0, "bid_size": 14.0, "ask": 10.8, "ask_size": 13.0, "iv": 0.1898, "open_interest": 0.0, "volume": 0.0, "delta": -0.7206, "gamma": 0.0296, "vega": 0.1543, "theta": -0.0504, "rho": -0.0902, "theo": 9.2529, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 7.69999980926514}, {"option": "CHCO261218C00155000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.364, "open_interest": 0.0, "volume": 0.0, "delta": 0.2003, "gamma": 0.0209, "vega": 0.1298, "theta": -0.0486, "rho": 0.0295, "theo": 1.4082, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00155000", "bid": 10.0, "bid_size": 14.0, "ask": 14.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8007, "gamma": 0.0213, "vega": 0.1283, "theta": -0.0482, "rho": -0.0947, "theo": 13.7622, "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": 11.9000000953674}, {"option": "CHCO261218C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4348, "open_interest": 0.0, "volume": 0.0, "delta": 0.1543, "gamma": 0.0155, "vega": 0.1103, "theta": -0.047, "rho": 0.0226, "theo": 1.1508, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00160000", "bid": 15.0, "bid_size": 14.0, "ask": 19.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8472, "gamma": 0.0159, "vega": 0.1083, "theta": -0.0463, "rho": -0.0959, "theo": 18.4979, "change": 0.0, "open": 0.0, "high": 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": "CHCO261218C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4995, "open_interest": 0.0, "volume": 0.0, "delta": 0.125, "gamma": 0.012, "vega": 0.0956, "theta": -0.0455, "rho": 0.0182, "theo": 0.9884, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00165000", "bid": 20.0, "bid_size": 14.0, "ask": 24.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.877, "gamma": 0.0123, "vega": 0.093, "theta": -0.0445, "rho": -0.0956, "theo": 23.3287, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 21.8500003814697}, {"option": "CHCO261218C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.5594, "open_interest": 0.0, "volume": 0.0, "delta": 0.1047, "gamma": 0.0096, "vega": 0.0842, "theta": -0.0441, "rho": 0.0151, "theo": 0.8747, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00170000", "bid": 25.0, "bid_size": 14.0, "ask": 29.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8976, "gamma": 0.0099, "vega": 0.0815, "theta": -0.0428, "rho": -0.0959, "theo": 28.2086, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 26.8500003814697}, {"option": "CHCO261218C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.6155, "open_interest": 0.0, "volume": 0.0, "delta": 0.09, "gamma": 0.0078, "vega": 0.0754, "theta": -0.0428, "rho": 0.013, "theo": 0.7897, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00175000", "bid": 30.0, "bid_size": 15.0, "ask": 35.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9126, "gamma": 0.0081, "vega": 0.072, "theta": -0.0413, "rho": -0.0937, "theo": 33.1176, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.0}, {"option": "CHCO261218C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.6684, "open_interest": 0.0, "volume": 0.0, "delta": 0.0788, "gamma": 0.0066, "vega": 0.0681, "theta": -0.0417, "rho": 0.0113, "theo": 0.7233, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00180000", "bid": 35.0, "bid_size": 15.0, "ask": 40.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9241, "gamma": 0.0069, "vega": 0.0648, "theta": -0.0398, "rho": -0.0928, "theo": 38.0454, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 36.8999996185303}, {"option": "CHCO261218C00185000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.7184, "open_interest": 0.0, "volume": 0.0, "delta": 0.07, "gamma": 0.0056, "vega": 0.0622, "theta": -0.0406, "rho": 0.01, "theo": 0.6696, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00185000", "bid": 40.0, "bid_size": 15.0, "ask": 45.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9331, "gamma": 0.0059, "vega": 0.0586, "theta": -0.0384, "rho": -0.0918, "theo": 42.986, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 41.7999992370606}, {"option": "CHCO261218C00190000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.766, "open_interest": 0.0, "volume": 0.0, "delta": 0.063, "gamma": 0.0049, "vega": 0.0573, "theta": -0.0397, "rho": 0.0089, "theo": 0.625, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00190000", "bid": 45.0, "bid_size": 15.0, "ask": 50.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9404, "gamma": 0.0052, "vega": 0.0532, "theta": -0.0371, "rho": -0.0893, "theo": 47.9364, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 46.8999996185303}, {"option": "CHCO261218C00195000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.8115, "open_interest": 0.0, "volume": 0.0, "delta": 0.0572, "gamma": 0.0043, "vega": 0.053, "theta": -0.0388, "rho": 0.0081, "theo": 0.5875, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00195000", "bid": 50.0, "bid_size": 15.0, "ask": 55.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9464, "gamma": 0.0046, "vega": 0.0488, "theta": -0.0358, "rho": -0.0886, "theo": 52.8939, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 51.8999996185303}, {"option": "CHCO261218C00200000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.855, "open_interest": 0.0, "volume": 0.0, "delta": 0.0524, "gamma": 0.0038, "vega": 0.0495, "theta": -0.0379, "rho": 0.0074, "theo": 0.5552, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO261218P00200000", "bid": 55.0, "bid_size": 15.0, "ask": 60.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9514, "gamma": 0.0041, "vega": 0.0451, "theta": -0.0345, "rho": -0.0875, "theo": 57.8567, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 56.8999996185303}, {"option": "CHCO270319C00075000", "bid": 65.6, "bid_size": 13.0, "ask": 70.5, "ask_size": 15.0, "iv": 0.5382, "open_interest": 0.0, "volume": 0.0, "delta": 0.9777, "gamma": 0.0011, "vega": 0.0408, "theta": -0.0029, "rho": 0.146, "theo": 68.2919, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 68.75}, {"option": "CHCO270319P00075000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.8572, "open_interest": 0.0, "volume": 0.0, "delta": -0.026, "gamma": 0.0012, "vega": 0.0513, "theta": -0.0119, "rho": -0.0142, "theo": 0.571, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00080000", "bid": 60.7, "bid_size": 13.0, "ask": 65.5, "ask_size": 14.0, "iv": 0.4919, "open_interest": 0.0, "volume": 0.0, "delta": 0.9725, "gamma": 0.0014, "vega": 0.0507, "theta": -0.0048, "rho": 0.1631, "theo": 63.4142, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 63.7999992370606}, {"option": "CHCO270319P00080000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.7865, "open_interest": 0.0, "volume": 0.0, "delta": -0.0313, "gamma": 0.0014, "vega": 0.0598, "theta": -0.013, "rho": -0.0169, "theo": 0.6585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00085000", "bid": 56.2, "bid_size": 13.0, "ask": 60.5, "ask_size": 13.0, "iv": 0.5042, "open_interest": 0.0, "volume": 0.0, "delta": 0.9662, "gamma": 0.0017, "vega": 0.059, "theta": -0.0068, "rho": 0.1712, "theo": 58.5496, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 59.0499992370606}, {"option": "CHCO270319P00085000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.72, "open_interest": 0.0, "volume": 0.0, "delta": -0.0377, "gamma": 0.0018, "vega": 0.07, "theta": -0.0142, "rho": -0.0203, "theo": 0.7603, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00090000", "bid": 51.1, "bid_size": 13.0, "ask": 56.0, "ask_size": 15.0, "iv": 0.4836, "open_interest": 0.0, "volume": 0.0, "delta": 0.9584, "gamma": 0.0022, "vega": 0.0726, "theta": -0.0089, "rho": 0.1906, "theo": 53.7064, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 54.1000003814697}, {"option": "CHCO270319P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.6569, "open_interest": 0.0, "volume": 0.0, "delta": -0.0455, "gamma": 0.0022, "vega": 0.0813, "theta": -0.0155, "rho": -0.0242, "theo": 0.8801, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00095000", "bid": 46.1, "bid_size": 13.0, "ask": 51.0, "ask_size": 15.0, "iv": 0.4282, "open_interest": 0.0, "volume": 0.0, "delta": 0.9488, "gamma": 0.0028, "vega": 0.0863, "theta": -0.011, "rho": 0.1977, "theo": 48.8841, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 49.2999992370606}, {"option": "CHCO270319P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.5969, "open_interest": 0.0, "volume": 0.0, "delta": -0.0551, "gamma": 0.0028, "vega": 0.0949, "theta": -0.0169, "rho": -0.0291, "theo": 1.0217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00100000", "bid": 41.6, "bid_size": 12.0, "ask": 46.0, "ask_size": 12.0, "iv": 0.4092, "open_interest": 0.0, "volume": 0.0, "delta": 0.9368, "gamma": 0.0035, "vega": 0.102, "theta": -0.0132, "rho": 0.2185, "theo": 44.0958, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 44.5}, {"option": "CHCO270319P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.5395, "open_interest": 0.0, "volume": 0.0, "delta": -0.067, "gamma": 0.0035, "vega": 0.1103, "theta": -0.0184, "rho": -0.035, "theo": 1.1917, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00105000", "bid": 36.6, "bid_size": 13.0, "ask": 41.5, "ask_size": 15.0, "iv": 0.3838, "open_interest": 0.0, "volume": 0.0, "delta": 0.9218, "gamma": 0.0044, "vega": 0.1225, "theta": -0.0155, "rho": 0.2402, "theo": 39.3425, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 39.75}, {"option": "CHCO270319P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4842, "open_interest": 0.0, "volume": 0.0, "delta": -0.0818, "gamma": 0.0044, "vega": 0.1287, "theta": -0.02, "rho": -0.0423, "theo": 1.3978, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00110000", "bid": 32.0, "bid_size": 15.0, "ask": 37.0, "ask_size": 15.0, "iv": 0.3698, "open_interest": 0.0, "volume": 0.0, "delta": 0.9028, "gamma": 0.0055, "vega": 0.1421, "theta": -0.0178, "rho": 0.244, "theo": 34.6422, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 35.1000003814697}, {"option": "CHCO270319P00110000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4302, "open_interest": 0.0, "volume": 0.0, "delta": -0.1006, "gamma": 0.0055, "vega": 0.1497, "theta": -0.0216, "rho": -0.0514, "theo": 1.6543, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00115000", "bid": 27.5, "bid_size": 14.0, "ask": 32.0, "ask_size": 12.0, "iv": 0.3352, "open_interest": 0.0, "volume": 0.0, "delta": 0.8785, "gamma": 0.007, "vega": 0.1681, "theta": -0.02, "rho": 0.2629, "theo": 30.0102, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 30.5500001907349}, {"option": "CHCO270319P00115000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.378, "open_interest": 0.0, "volume": 0.0, "delta": -0.1246, "gamma": 0.007, "vega": 0.1742, "theta": -0.0233, "rho": -0.063, "theo": 1.9748, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00120000", "bid": 23.1, "bid_size": 1.0, "ask": 27.8, "ask_size": 8.0, "iv": 0.3225, "open_interest": 0.0, "volume": 0.0, "delta": 0.8473, "gamma": 0.0088, "vega": 0.1975, "theta": -0.0223, "rho": 0.2784, "theo": 25.4712, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 25.9499998092651}, {"option": "CHCO270319P00120000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3267, "open_interest": 0.0, "volume": 0.0, "delta": -0.1557, "gamma": 0.0088, "vega": 0.2026, "theta": -0.025, "rho": -0.0776, "theo": 2.3865, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00125000", "bid": 18.6, "bid_size": 1.0, "ask": 23.3, "ask_size": 13.0, "iv": 0.292, "open_interest": 2.0, "volume": 0.0, "delta": 0.8066, "gamma": 0.0111, "vega": 0.23, "theta": -0.0244, "rho": 0.2879, "theo": 21.0661, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 24.1, "last_trade_time": "2026-07-31T09:33:23", "percent_change": 0.0, "prev_day_close": 21.3999996185303}, {"option": "CHCO270319P00125000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2759, "open_interest": 0.0, "volume": 0.0, "delta": -0.1965, "gamma": 0.0112, "vega": 0.234, "theta": -0.0267, "rho": -0.096, "theo": 2.931, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319C00130000", "bid": 14.5, "bid_size": 2.0, "ask": 19.3, "ask_size": 13.0, "iv": 0.274, "open_interest": 2.0, "volume": 0.0, "delta": 0.7532, "gamma": 0.0138, "vega": 0.2645, "theta": -0.0262, "rho": 0.2886, "theo": 16.8585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 21.3, "last_trade_time": "2026-07-28T09:31:07", "percent_change": 0.0, "prev_day_close": 17.3999996185303}, {"option": "CHCO270319P00130000", "bid": 1.05, "bid_size": 1.0, "ask": 5.9, "ask_size": 13.0, "iv": 0.2649, "open_interest": 0.0, "volume": 0.0, "delta": -0.2505, "gamma": 0.014, "vega": 0.2678, "theta": -0.0283, "rho": -0.1198, "theo": 3.6742, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.25}, {"option": "CHCO270319C00135000", "bid": 11.0, "bid_size": 1.0, "ask": 15.7, "ask_size": 13.0, "iv": 0.2638, "open_interest": 1.0, "volume": 0.0, "delta": 0.6835, "gamma": 0.0168, "vega": 0.2986, "theta": -0.0276, "rho": 0.2857, "theo": 12.9511, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 16.8, "last_trade_time": "2026-07-31T09:32:29", "percent_change": 0.0, "prev_day_close": 13.8999996185303}, {"option": "CHCO270319P00135000", "bid": 2.15, "bid_size": 1.0, "ask": 7.0, "ask_size": 14.0, "iv": 0.2454, "open_interest": 0.0, "volume": 0.0, "delta": -0.322, "gamma": 0.0173, "vega": 0.3009, "theta": -0.0294, "rho": -0.1494, "theo": 4.7242, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.47500002384186}, {"option": "CHCO270319C00140000", "bid": 7.5, "bid_size": 1.0, "ask": 12.3, "ask_size": 13.0, "iv": 0.2449, "open_interest": 0.0, "volume": 0.0, "delta": 0.5954, "gamma": 0.0197, "vega": 0.3248, "theta": -0.0283, "rho": 0.2588, "theo": 9.5034, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 10.4000000953674}, {"option": "CHCO270319P00140000", "bid": 4.0, "bid_size": 1.0, "ask": 8.7, "ask_size": 13.0, "iv": 0.2358, "open_interest": 0.0, "volume": 0.0, "delta": -0.4135, "gamma": 0.0204, "vega": 0.3256, "theta": -0.0298, "rho": -0.1843, "theo": 6.2484, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.90000009536743}, {"option": "CHCO270319C00145000", "bid": 5.0, "bid_size": 1.0, "ask": 9.6, "ask_size": 13.0, "iv": 0.2391, "open_interest": 0.0, "volume": 0.0, "delta": 0.4929, "gamma": 0.0213, "vega": 0.3346, "theta": -0.028, "rho": 0.2228, "theo": 6.7086, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 7.95000004768372}, {"option": "CHCO270319P00145000", "bid": 6.0, "bid_size": 1.0, "ask": 10.8, "ask_size": 13.0, "iv": 0.22, "open_interest": 0.0, "volume": 0.0, "delta": -0.5206, "gamma": 0.0222, "vega": 0.332, "theta": -0.029, "rho": -0.2227, "theo": 8.4473, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.15000009536743}, {"option": "CHCO270319C00150000", "bid": 2.55, "bid_size": 1.0, "ask": 7.4, "ask_size": 13.0, "iv": 0.2274, "open_interest": 0.0, "volume": 0.0, "delta": 0.3902, "gamma": 0.0208, "vega": 0.3227, "theta": -0.0268, "rho": 0.1799, "theo": 4.6841, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.5}, {"option": "CHCO270319P00150000", "bid": 9.0, "bid_size": 1.0, "ask": 13.7, "ask_size": 13.0, "iv": 0.2154, "open_interest": 0.0, "volume": 0.0, "delta": -0.6277, "gamma": 0.0216, "vega": 0.3145, "theta": -0.027, "rho": -0.257, "theo": 11.4416, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 10.9000000953674}, {"option": "CHCO270319C00155000", "bid": 1.05, "bid_size": 1.0, "ask": 5.9, "ask_size": 13.0, "iv": 0.2269, "open_interest": 0.0, "volume": 0.0, "delta": 0.3027, "gamma": 0.0185, "vega": 0.2946, "theta": -0.0249, "rho": 0.1404, "theo": 3.3498, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.57499998807907}, {"option": "CHCO270319P00155000", "bid": 12.1, "bid_size": 1.0, "ask": 16.8, "ask_size": 8.0, "iv": 0.2048, "open_interest": 0.0, "volume": 0.0, "delta": -0.7178, "gamma": 0.0191, "vega": 0.2817, "theta": -0.0243, "rho": -0.2854, "theo": 15.1354, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 14.1499996185303}, {"option": "CHCO270319C00160000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.23, "open_interest": 0.0, "volume": 0.0, "delta": 0.236, "gamma": 0.0157, "vega": 0.261, "theta": -0.0229, "rho": 0.1097, "theo": 2.4984, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00160000", "bid": 16.0, "bid_size": 14.0, "ask": 20.8, "ask_size": 13.0, "iv": 0.1902, "open_interest": 0.0, "volume": 0.0, "delta": -0.7853, "gamma": 0.0159, "vega": 0.2441, "theta": -0.0213, "rho": -0.3043, "theo": 19.3092, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 17.8999996185303}, {"option": "CHCO270319C00165000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2655, "open_interest": 0.0, "volume": 0.0, "delta": 0.1872, "gamma": 0.013, "vega": 0.2286, "theta": -0.021, "rho": 0.087, "theo": 1.9434, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00165000", "bid": 20.6, "bid_size": 13.0, "ask": 25.3, "ask_size": 13.0, "iv": 0.1971, "open_interest": 0.0, "volume": 0.0, "delta": -0.8335, "gamma": 0.013, "vega": 0.2088, "theta": -0.0184, "rho": -0.3208, "theo": 23.7711, "change": 0.0, "open": 0.0, "high": 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": "CHCO270319C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2983, "open_interest": 0.0, "volume": 0.0, "delta": 0.1516, "gamma": 0.0108, "vega": 0.2004, "theta": -0.0193, "rho": 0.0703, "theo": 1.5662, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00170000", "bid": 25.0, "bid_size": 14.0, "ask": 29.8, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.868, "gamma": 0.0107, "vega": 0.1783, "theta": -0.0159, "rho": -0.3303, "theo": 28.4012, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 26.8000001907349}, {"option": "CHCO270319C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.329, "open_interest": 0.0, "volume": 0.0, "delta": 0.1252, "gamma": 0.009, "vega": 0.1764, "theta": -0.0178, "rho": 0.058, "theo": 1.2984, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00175000", "bid": 30.0, "bid_size": 15.0, "ask": 35.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.894, "gamma": 0.0091, "vega": 0.1527, "theta": -0.014, "rho": -0.3268, "theo": 33.1323, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 31.8999996185303}, {"option": "CHCO270319C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3579, "open_interest": 0.0, "volume": 0.0, "delta": 0.1053, "gamma": 0.0076, "vega": 0.1561, "theta": -0.0165, "rho": 0.0486, "theo": 1.1008, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00180000", "bid": 35.0, "bid_size": 15.0, "ask": 40.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9147, "gamma": 0.0081, "vega": 0.1301, "theta": -0.0132, "rho": -0.3103, "theo": 37.9323, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 36.9500007629394}, {"option": "CHCO270319C00185000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3852, "open_interest": 0.0, "volume": 0.0, "delta": 0.0899, "gamma": 0.0064, "vega": 0.1393, "theta": -0.0154, "rho": 0.0414, "theo": 0.9499, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00185000", "bid": 40.0, "bid_size": 13.0, "ask": 45.0, "ask_size": 13.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9328, "gamma": 0.0078, "vega": 0.1096, "theta": -0.0128, "rho": -0.2792, "theo": 42.7803, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 41.9500007629394}, {"option": "CHCO270319C00190000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4112, "open_interest": 0.0, "volume": 0.0, "delta": 0.0778, "gamma": 0.0055, "vega": 0.1249, "theta": -0.0144, "rho": 0.0357, "theo": 0.8319, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00190000", "bid": 45.0, "bid_size": 11.0, "ask": 49.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9488, "gamma": 0.0076, "vega": 0.0891, "theta": -0.0122, "rho": -0.2139, "theo": 47.6682, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 46.9500007629394}, {"option": "CHCO270319C00195000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.436, "open_interest": 0.0, "volume": 0.0, "delta": 0.068, "gamma": 0.0048, "vega": 0.113, "theta": -0.0135, "rho": 0.0312, "theo": 0.7373, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00195000", "bid": 50.0, "bid_size": 11.0, "ask": 54.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9637, "gamma": 0.0073, "vega": 0.0667, "theta": -0.0148, "rho": -0.1805, "theo": 52.592, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 51.9500007629394}, {"option": "CHCO270319C00200000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4598, "open_interest": 0.0, "volume": 0.0, "delta": 0.0601, "gamma": 0.0042, "vega": 0.1026, "theta": -0.0127, "rho": 0.0274, "theo": 0.6601, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270319P00200000", "bid": 55.0, "bid_size": 11.0, "ask": 59.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9757, "gamma": 0.0067, "vega": 0.0496, "theta": -0.0174, "rho": -0.1003, "theo": 57.5396, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 56.9500007629394}, {"option": "CHCO270617C00090000", "bid": 51.6, "bid_size": 13.0, "ask": 56.5, "ask_size": 15.0, "iv": 0.3882, "open_interest": 0.0, "volume": 0.0, "delta": 0.9578, "gamma": 0.0022, "vega": 0.1004, "theta": 0.0, "rho": 0.3792, "theo": 54.1064, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 54.4499988555908}, {"option": "CHCO270617P00090000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.511, "open_interest": 0.0, "volume": 0.0, "delta": -0.045, "gamma": 0.0022, "vega": 0.105, "theta": -0.0091, "rho": -0.04, "theo": 0.8725, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00095000", "bid": 47.0, "bid_size": 14.0, "ask": 51.5, "ask_size": 12.0, "iv": 0.3592, "open_interest": 0.0, "volume": 0.0, "delta": 0.9463, "gamma": 0.0027, "vega": 0.1201, "theta": -0.0016, "rho": 0.3991, "theo": 49.4111, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 50.0499992370606}, {"option": "CHCO270617P00095000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.465, "open_interest": 0.0, "volume": 0.0, "delta": -0.0565, "gamma": 0.0028, "vega": 0.1259, "theta": -0.0103, "rho": -0.05, "theo": 1.0737, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00100000", "bid": 42.1, "bid_size": 13.0, "ask": 47.0, "ask_size": 15.0, "iv": 0.3379, "open_interest": 0.0, "volume": 0.0, "delta": 0.9319, "gamma": 0.0034, "vega": 0.1447, "theta": -0.0038, "rho": 0.4229, "theo": 44.7677, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 45.5499992370606}, {"option": "CHCO270617P00100000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.4209, "open_interest": 0.0, "volume": 0.0, "delta": -0.0708, "gamma": 0.0035, "vega": 0.1494, "theta": -0.0117, "rho": -0.0618, "theo": 1.3243, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00105000", "bid": 37.6, "bid_size": 13.0, "ask": 42.5, "ask_size": 15.0, "iv": 0.3268, "open_interest": 0.0, "volume": 0.0, "delta": 0.9139, "gamma": 0.0043, "vega": 0.1734, "theta": -0.0061, "rho": 0.4515, "theo": 40.1907, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 40.75}, {"option": "CHCO270617P00105000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3784, "open_interest": 0.0, "volume": 0.0, "delta": -0.0887, "gamma": 0.0044, "vega": 0.1773, "theta": -0.0131, "rho": -0.077, "theo": 1.6387, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00110000", "bid": 33.1, "bid_size": 2.0, "ask": 38.0, "ask_size": 9.0, "iv": 0.31, "open_interest": 0.0, "volume": 0.0, "delta": 0.8915, "gamma": 0.0054, "vega": 0.2054, "theta": -0.0084, "rho": 0.4822, "theo": 35.7003, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 36.25}, {"option": "CHCO270617P00110000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3373, "open_interest": 0.0, "volume": 0.0, "delta": -0.1112, "gamma": 0.0055, "vega": 0.2092, "theta": -0.0147, "rho": -0.0963, "theo": 2.0343, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00115000", "bid": 29.0, "bid_size": 2.0, "ask": 33.9, "ask_size": 14.0, "iv": 0.3062, "open_interest": 0.0, "volume": 0.0, "delta": 0.8638, "gamma": 0.0066, "vega": 0.2402, "theta": -0.0108, "rho": 0.5449, "theo": 31.3225, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.0500001907349}, {"option": "CHCO270617P00115000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2973, "open_interest": 0.0, "volume": 0.0, "delta": -0.1393, "gamma": 0.0068, "vega": 0.2434, "theta": -0.0163, "rho": -0.1184, "theo": 2.5374, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617C00120000", "bid": 24.5, "bid_size": 1.0, "ask": 29.3, "ask_size": 13.0, "iv": 0.2781, "open_interest": 0.0, "volume": 0.0, "delta": 0.8299, "gamma": 0.0081, "vega": 0.2779, "theta": -0.0131, "rho": 0.5473, "theo": 27.0902, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 27.6499996185303}, {"option": "CHCO270617P00120000", "bid": 0.55, "bid_size": 13.0, "ask": 5.4, "ask_size": 13.0, "iv": 0.2778, "open_interest": 0.0, "volume": 0.0, "delta": -0.1744, "gamma": 0.0084, "vega": 0.2815, "theta": -0.0179, "rho": -0.147, "theo": 3.1807, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.97500005364418}, {"option": "CHCO270617C00125000", "bid": 20.5, "bid_size": 1.0, "ask": 25.3, "ask_size": 13.0, "iv": 0.2662, "open_interest": 0.0, "volume": 0.0, "delta": 0.7881, "gamma": 0.0098, "vega": 0.3173, "theta": -0.0154, "rho": 0.5361, "theo": 23.034, "change": 0.0, "open": 0.0, "high": 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": "CHCO270617P00125000", "bid": 1.55, "bid_size": 1.0, "ask": 6.4, "ask_size": 1.0, "iv": 0.2692, "open_interest": 0.0, "volume": 0.0, "delta": -0.2184, "gamma": 0.0102, "vega": 0.3219, "theta": -0.0195, "rho": -0.1812, "theo": 4.0159, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.97500002384186}, {"option": "CHCO270617C00130000", "bid": 17.0, "bid_size": 1.0, "ask": 21.7, "ask_size": 13.0, "iv": 0.2612, "open_interest": 0.0, "volume": 0.0, "delta": 0.7373, "gamma": 0.0116, "vega": 0.3564, "theta": -0.0175, "rho": 0.5157, "theo": 19.2059, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 19.6499996185303}, {"option": "CHCO270617P00130000", "bid": 2.65, "bid_size": 1.0, "ask": 7.5, "ask_size": 1.0, "iv": 0.2569, "open_interest": 0.0, "volume": 0.0, "delta": -0.2716, "gamma": 0.012, "vega": 0.361, "theta": -0.0208, "rho": -0.2223, "theo": 5.0843, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.97500002384186}, {"option": "CHCO270617C00135000", "bid": 13.5, "bid_size": 1.0, "ask": 18.2, "ask_size": 13.0, "iv": 0.25, "open_interest": 0.0, "volume": 0.0, "delta": 0.6768, "gamma": 0.0134, "vega": 0.3916, "theta": -0.0192, "rho": 0.4852, "theo": 15.6702, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 16.3000001907349}, {"option": "CHCO270617P00135000", "bid": 4.0, "bid_size": 2.0, "ask": 8.8, "ask_size": 1.0, "iv": 0.2439, "open_interest": 0.0, "volume": 0.0, "delta": -0.3351, "gamma": 0.014, "vega": 0.3955, "theta": -0.0218, "rho": -0.2688, "theo": 6.4607, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.40000009536743}, {"option": "CHCO270617C00140000", "bid": 10.5, "bid_size": 1.0, "ask": 15.1, "ask_size": 13.0, "iv": 0.2428, "open_interest": 0.0, "volume": 0.0, "delta": 0.6072, "gamma": 0.0149, "vega": 0.4187, "theta": -0.0204, "rho": 0.4446, "theo": 12.4979, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 13.25}, {"option": "CHCO270617P00140000", "bid": 6.0, "bid_size": 2.0, "ask": 10.8, "ask_size": 1.0, "iv": 0.2399, "open_interest": 0.0, "volume": 0.0, "delta": -0.4086, "gamma": 0.0156, "vega": 0.4203, "theta": -0.0222, "rho": -0.3187, "theo": 8.2212, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.15000009536743}, {"option": "CHCO270617C00145000", "bid": 8.0, "bid_size": 1.0, "ask": 12.6, "ask_size": 4.0, "iv": 0.2406, "open_interest": 0.0, "volume": 0.0, "delta": 0.531, "gamma": 0.016, "vega": 0.4329, "theta": -0.0209, "rho": 0.3956, "theo": 9.7549, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 10.1999998092651}, {"option": "CHCO270617P00145000", "bid": 8.5, "bid_size": 1.0, "ask": 12.8, "ask_size": 13.0, "iv": 0.233, "open_interest": 0.0, "volume": 0.0, "delta": -0.4896, "gamma": 0.0168, "vega": 0.4304, "theta": -0.022, "rho": -0.3657, "theo": 10.4364, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 10.4000000953674}, {"option": "CHCO270617C00150000", "bid": 5.5, "bid_size": 2.0, "ask": 10.3, "ask_size": 13.0, "iv": 0.2325, "open_interest": 0.0, "volume": 0.0, "delta": 0.4525, "gamma": 0.0162, "vega": 0.4314, "theta": -0.0207, "rho": 0.3417, "theo": 7.4832, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.15000009536743}, {"option": "CHCO270617P00150000", "bid": 11.0, "bid_size": 1.0, "ask": 15.5, "ask_size": 13.0, "iv": 0.2252, "open_interest": 0.0, "volume": 0.0, "delta": -0.5738, "gamma": 0.0173, "vega": 0.422, "theta": -0.0211, "rho": -0.4071, "theo": 13.153, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 12.9000000953674}, {"option": "CHCO270617C00155000", "bid": 3.5, "bid_size": 1.0, "ask": 8.3, "ask_size": 13.0, "iv": 0.2255, "open_interest": 0.0, "volume": 0.0, "delta": 0.3768, "gamma": 0.0158, "vega": 0.4143, "theta": -0.0198, "rho": 0.2875, "theo": 5.6827, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 5.95000004768372}, {"option": "CHCO270617P00155000", "bid": 14.0, "bid_size": 1.0, "ask": 18.6, "ask_size": 13.0, "iv": 0.2184, "open_interest": 0.0, "volume": 0.0, "delta": -0.6556, "gamma": 0.0169, "vega": 0.3958, "theta": -0.0195, "rho": -0.4333, "theo": 16.3721, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 15.8999996185303}, {"option": "CHCO270617C00160000", "bid": 2.05, "bid_size": 1.0, "ask": 6.9, "ask_size": 1.0, "iv": 0.2243, "open_interest": 0.0, "volume": 0.0, "delta": 0.3087, "gamma": 0.0146, "vega": 0.3852, "theta": -0.0185, "rho": 0.2373, "theo": 4.3085, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.57500004768372}, {"option": "CHCO270617P00160000", "bid": 17.5, "bid_size": 1.0, "ask": 22.1, "ask_size": 13.0, "iv": 0.2129, "open_interest": 0.0, "volume": 0.0, "delta": -0.7294, "gamma": 0.0157, "vega": 0.3552, "theta": -0.0172, "rho": -0.4448, "theo": 20.0452, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 19.1499996185303}, {"option": "CHCO270617C00165000", "bid": 0.55, "bid_size": 1.0, "ask": 5.4, "ask_size": 13.0, "iv": 0.2125, "open_interest": 0.0, "volume": 0.0, "delta": 0.2506, "gamma": 0.0131, "vega": 0.3493, "theta": -0.0169, "rho": 0.1936, "theo": 3.2862, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.47500002384186}, {"option": "CHCO270617P00165000", "bid": 21.5, "bid_size": 1.0, "ask": 25.9, "ask_size": 13.0, "iv": 0.2082, "open_interest": 0.0, "volume": 0.0, "delta": -0.792, "gamma": 0.014, "vega": 0.3069, "theta": -0.0144, "rho": -0.4431, "theo": 24.09, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 23.1499996185303}, {"option": "CHCO270617C00170000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.222, "open_interest": 0.0, "volume": 0.0, "delta": 0.203, "gamma": 0.0115, "vega": 0.3113, "theta": -0.0153, "rho": 0.1573, "theo": 2.5351, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617P00170000", "bid": 25.5, "bid_size": 15.0, "ask": 30.5, "ask_size": 15.0, "iv": 0.2067, "open_interest": 0.0, "volume": 0.0, "delta": -0.844, "gamma": 0.0126, "vega": 0.2565, "theta": -0.0118, "rho": -0.4214, "theo": 28.4166, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 27.5}, {"option": "CHCO270617C00175000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2459, "open_interest": 0.0, "volume": 0.0, "delta": 0.1649, "gamma": 0.0099, "vega": 0.2747, "theta": -0.0137, "rho": 0.1281, "theo": 1.9836, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617P00175000", "bid": 30.0, "bid_size": 15.0, "ask": 35.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8887, "gamma": 0.012, "vega": 0.2022, "theta": -0.0109, "rho": -0.3697, "theo": 32.9558, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 32.0500001907349}, {"option": "CHCO270617C00180000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2683, "open_interest": 1.0, "volume": 0.0, "delta": 0.1348, "gamma": 0.0084, "vega": 0.2409, "theta": -0.0122, "rho": 0.1048, "theo": 1.5758, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.1, "last_trade_time": "2026-11-03T09:30:04", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617P00180000", "bid": 35.0, "bid_size": 15.0, "ask": 40.0, "ask_size": 15.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9334, "gamma": 0.0136, "vega": 0.1474, "theta": -0.0115, "rho": -0.268, "theo": 37.6627, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 36.8999996185303}, {"option": "CHCO270617C00185000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.2894, "open_interest": 0.0, "volume": 0.0, "delta": 0.111, "gamma": 0.0072, "vega": 0.2109, "theta": -0.0109, "rho": 0.0862, "theo": 1.2706, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617P00185000", "bid": 40.0, "bid_size": 11.0, "ask": 44.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.969, "gamma": 0.0116, "vega": 0.0678, "theta": -0.013, "rho": -0.1245, "theo": 42.5213, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 41.9500007629394}, {"option": "CHCO270617C00190000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 13.0, "iv": 0.3095, "open_interest": 0.0, "volume": 0.0, "delta": 0.0922, "gamma": 0.0061, "vega": 0.185, "theta": -0.0098, "rho": 0.0716, "theo": 1.0389, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "CHCO270617P00190000", "bid": 45.0, "bid_size": 11.0, "ask": 49.9, "ask_size": 12.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9912, "gamma": 0.0036, "vega": 0.0, "theta": -0.0258, "rho": 0.0, "theo": 47.505, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 46.9500007629394}], "symbol": "CHCO", "security_type": "stock", "exchange_id": 2, "current_price": 142.59, "price_change": -0.5, "price_change_percent": -0.3494, "bid": 139.6, "ask": 178.45, "bid_size": 100, "ask_size": 100, "open": 143.09, "high": 143.2, "low": 141.62, "close": 142.59, "prev_day_close": 143.09, "volume": 73148, "iv30": 23.874, "iv30_change": 0.079, "iv30_change_percent": 0.332, "seqno": 21097932703, "last_trade_time": "2026-11-10T15:59:53", "tick": "down"}, "symbol": "CHCO"}