{"timestamp": "2026-09-21 01:59:09", "data": {"options": [{"option": "ARDX261016C00001000", "bid": 2.35, "bid_size": 1.0, "ask": 2.8, "ask_size": 6.0, "iv": 4.4808, "open_interest": 7.0, "volume": 24.0, "delta": 0.9778, "gamma": 0.0219, "vega": 0.0006, "theta": -0.0028, "rho": 0.0007, "theo": 2.4638, "change": 0.05, "open": 2.44, "high": 2.5, "low": 2.38, "tick": "no_change", "last_trade_price": 2.5, "last_trade_time": "2026-09-18T15:58:04", "percent_change": 2.04081, "prev_day_close": 2.40000000596046}, {"option": "ARDX261016P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 1069.0, "iv": 0.0, "open_interest": 2.0, "volume": 0.0, "delta": -0.0253, "gamma": 0.0219, "vega": 0.0006, "theta": -0.0028, "rho": -0.0001, "theo": 0.0347, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.15, "last_trade_time": "2026-07-21T11:51:58", "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "ARDX261016C00002000", "bid": 1.0, "bid_size": 1.0, "ask": 3.6, "ask_size": 436.0, "iv": 5.5412, "open_interest": 40.0, "volume": 0.0, "delta": 0.9444, "gamma": 0.0868, "vega": 0.0011, "theta": -0.0028, "rho": 0.0014, "theo": 1.4718, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.98, "last_trade_time": "2026-09-08T12:27:29", "percent_change": 0.0, "prev_day_close": 2.29999995231628}, {"option": "ARDX261016P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 336.0, "iv": 3.2478, "open_interest": 20.0, "volume": 0.0, "delta": -0.0589, "gamma": 0.0871, "vega": 0.0011, "theta": -0.0028, "rho": -0.0002, "theo": 0.0393, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-14T14:54:26", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "ARDX261016C00003000", "bid": 0.4, "bid_size": 41.0, "ask": 0.55, "ask_size": 65.0, "iv": 0.504, "open_interest": 45.0, "volume": 43.0, "delta": 0.7909, "gamma": 0.4404, "vega": 0.0028, "theta": -0.0034, "rho": 0.0017, "theo": 0.5225, "change": 0.05, "open": 0.45, "high": 0.5, "low": 0.45, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-09-18T15:57:35", "percent_change": 11.1111, "prev_day_close": 0.499999985098839}, {"option": "ARDX261016P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 12.0, "iv": 0.5504, "open_interest": 3.0, "volume": 0.0, "delta": -0.2138, "gamma": 0.4443, "vega": 0.0028, "theta": -0.0034, "rho": -0.0005, "theo": 0.0871, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-17T12:59:46", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "ARDX261016C00004000", "bid": 0.05, "bid_size": 10.0, "ask": 0.1, "ask_size": 200.0, "iv": 0.6531, "open_interest": 415.0, "volume": 26.0, "delta": 0.2604, "gamma": 0.4698, "vega": 0.0031, "theta": -0.004, "rho": 0.0006, "theo": 0.097, "change": 0.05, "open": 0.1, "high": 0.1, "low": 0.05, "tick": "up", "last_trade_price": 0.1, "last_trade_time": "2026-09-18T14:20:34", "percent_change": 100.0, "prev_day_close": 0.0750000011175871}, {"option": "ARDX261016P00004000", "bid": 0.55, "bid_size": 24.0, "ask": 0.75, "ask_size": 5.0, "iv": 0.47, "open_interest": 20384.0, "volume": 2.0, "delta": -0.752, "gamma": 0.4826, "vega": 0.003, "theta": -0.0041, "rho": -0.0015, "theo": 0.6635, "change": -0.065, "open": 0.67, "high": 0.67, "low": 0.61, "tick": "down", "last_trade_price": 0.61, "last_trade_time": "2026-09-18T15:24:30", "percent_change": -9.62963, "prev_day_close": 0.599999994039536}, {"option": "ARDX261016C00005000", "bid": 0.05, "bid_size": 10.0, "ask": 0.1, "ask_size": 6.0, "iv": 1.1421, "open_interest": 1160.0, "volume": 0.0, "delta": 0.0981, "gamma": 0.1928, "vega": 0.0016, "theta": -0.0027, "rho": 0.0002, "theo": 0.0363, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.07, "last_trade_time": "2026-09-15T10:25:43", "percent_change": 0.0, "prev_day_close": 0.0750000011175871}, {"option": "ARDX261016P00005000", "bid": 0.05, "bid_size": 1022.0, "ask": 2.2, "ask_size": 67.0, "iv": 0.0, "open_interest": 163.0, "volume": 0.0, "delta": -0.9173, "gamma": 0.2038, "vega": 0.0014, "theta": -0.0029, "rho": -0.0012, "theo": 1.6064, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.58, "last_trade_time": "2026-09-17T13:30:30", "percent_change": 0.0, "prev_day_close": 1.12500002421439}, {"option": "ARDX261016C00006000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 6.0, "iv": 1.1683, "open_interest": 5393.0, "volume": 0.0, "delta": 0.046, "gamma": 0.0929, "vega": 0.0009, "theta": -0.0017, "rho": 0.0001, "theo": 0.0169, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.05, "last_trade_time": "2026-09-15T15:04:38", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "ARDX261016P00006000", "bid": 0.5, "bid_size": 485.0, "ask": 3.2, "ask_size": 67.0, "iv": 0.0, "open_interest": 148.0, "volume": 0.0, "delta": -0.9705, "gamma": 0.0947, "vega": 0.0006, "theta": -0.0018, "rho": -0.0007, "theo": 2.591, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.6, "last_trade_time": "2026-09-17T13:34:58", "percent_change": 0.0, "prev_day_close": 1.85000002384186}, {"option": "ARDX261016C00007000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 990.0, "iv": 1.4075, "open_interest": 892.0, "volume": 0.0, "delta": 0.024, "gamma": 0.0495, "vega": 0.0005, "theta": -0.0011, "rho": 0.0, "theo": 0.0087, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-17T12:44:44", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "ARDX261016P00007000", "bid": 3.0, "bid_size": 64.0, "ask": 4.2, "ask_size": 35.0, "iv": 1.4505, "open_interest": 92.0, "volume": 0.0, "delta": -0.9905, "gamma": 0.0395, "vega": 0.0002, "theta": -0.0008, "rho": -0.0004, "theo": 3.5865, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.6, "last_trade_time": "2026-09-17T14:45:15", "percent_change": 0.0, "prev_day_close": 3.59999990463257}, {"option": "ARDX261016C00008000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 2.0, "iv": 1.6058, "open_interest": 93.0, "volume": 0.0, "delta": 0.0133, "gamma": 0.0282, "vega": 0.0003, "theta": -0.0007, "rho": 0.0, "theo": 0.0047, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-04T13:14:20", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "ARDX261016P00008000", "bid": 4.1, "bid_size": 64.0, "ask": 6.7, "ask_size": 151.0, "iv": 4.4385, "open_interest": 127.0, "volume": 0.0, "delta": -0.9974, "gamma": 0.0134, "vega": 0.0001, "theta": -0.0002, "rho": -0.0001, "theo": 4.5853, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 4.3, "last_trade_time": "2026-09-01T13:51:35", "percent_change": 0.0, "prev_day_close": 5.5}, {"option": "ARDX261016C00009000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 1.0, "iv": 1.775, "open_interest": 361.0, "volume": 0.0, "delta": 0.0078, "gamma": 0.0168, "vega": 0.0002, "theta": -0.0004, "rho": 0.0, "theo": 0.0027, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.04, "last_trade_time": "2026-08-18T14:27:25", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "ARDX261016P00009000", "bid": 5.0, "bid_size": 64.0, "ask": 7.7, "ask_size": 135.0, "iv": 4.5456, "open_interest": 5.0, "volume": 0.0, "delta": -0.9994, "gamma": 0.0036, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 5.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.0, "last_trade_time": "2026-06-25T13:19:31", "percent_change": 0.0, "prev_day_close": 6.34999990463257}, {"option": "ARDX261016C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.05, "ask_size": 12.0, "iv": 1.9226, "open_interest": 226.0, "volume": 0.0, "delta": 0.0047, "gamma": 0.0103, "vega": 0.0001, "theta": -0.0003, "rho": 0.0, "theo": 0.0016, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.01, "last_trade_time": "2026-09-09T11:47:01", "percent_change": 0.0, "prev_day_close": 0.025000000372529}, {"option": "ARDX261016P00010000", "bid": 4.5, "bid_size": 65.0, "ask": 8.7, "ask_size": 135.0, "iv": 1.9929, "open_interest": 0.0, "volume": 0.0, "delta": -0.9999, "gamma": 0.0007, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 6.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.58, "last_trade_time": "2026-09-17T13:54:02", "percent_change": 0.0, "prev_day_close": 6.59999990463257}, {"option": "ARDX261016C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 206.0, "iv": 4.1021, "open_interest": 25.0, "volume": 0.0, "delta": 0.0029, "gamma": 0.0066, "vega": 0.0001, "theta": -0.0002, "rho": 0.0, "theo": 0.001, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.26, "last_trade_time": "2026-06-22T11:06:32", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "ARDX261016P00011000", "bid": 5.5, "bid_size": 65.0, "ask": 9.7, "ask_size": 135.0, "iv": 2.133, "open_interest": 1.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0001, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 7.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.55, "last_trade_time": "2026-09-17T10:43:37", "percent_change": 0.0, "prev_day_close": 7.59999990463257}, {"option": "ARDX261016C00012000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 185.0, "iv": 5.2933, "open_interest": 10.0, "volume": 0.0, "delta": 0.0019, "gamma": 0.0043, "vega": 0.0, "theta": -0.0001, "rho": 0.0, "theo": 0.0006, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.24, "last_trade_time": "2026-06-10T10:08:32", "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "ARDX261016P00012000", "bid": 6.5, "bid_size": 65.0, "ask": 10.7, "ask_size": 135.0, "iv": 2.2594, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 8.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 8.55, "last_trade_time": "2026-09-17T10:43:41", "percent_change": 0.0, "prev_day_close": 8.59999990463257}, {"option": "ARDX261016C00013000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 185.0, "iv": 4.3201, "open_interest": 0.0, "volume": 0.0, "delta": 0.0012, "gamma": 0.0028, "vega": 0.0, "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": "ARDX261016P00013000", "bid": 7.5, "bid_size": 33.0, "ask": 11.7, "ask_size": 75.0, "iv": 2.3743, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 9.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.56, "last_trade_time": "2026-09-17T13:51:53", "percent_change": 0.0, "prev_day_close": 9.59999990463257}, {"option": "ARDX261016C00014000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 185.0, "iv": 5.565, "open_interest": 0.0, "volume": 0.0, "delta": 0.0008, "gamma": 0.0019, "vega": 0.0, "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": 0.875}, {"option": "ARDX261016P00014000", "bid": 8.5, "bid_size": 32.0, "ask": 12.7, "ask_size": 68.0, "iv": 2.48, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 10.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 7.9, "last_trade_time": "2026-06-25T14:50:24", "percent_change": 0.0, "prev_day_close": 10.5999999046326}, {"option": "ARDX261016C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 185.0, "iv": 4.6357, "open_interest": 1.0, "volume": 0.0, "delta": 0.0005, "gamma": 0.0013, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 0.0002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.6, "last_trade_time": "2026-02-05T10:14:12", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "ARDX261016P00015000", "bid": 9.5, "bid_size": 32.0, "ask": 13.7, "ask_size": 69.0, "iv": 2.577, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 11.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 11.55, "last_trade_time": "2026-09-17T10:43:51", "percent_change": 0.0, "prev_day_close": 11.5999999046326}, {"option": "ARDX261120C00001000", "bid": 1.5, "bid_size": 61.0, "ask": 2.9, "ask_size": 16.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9543, "gamma": 0.035, "vega": 0.0011, "theta": -0.0035, "rho": 0.0006, "theo": 2.4633, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.20000004768372}, {"option": "ARDX261120P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 65.0, "iv": 4.2054, "open_interest": 0.0, "volume": 0.0, "delta": -0.0452, "gamma": 0.0267, "vega": 0.0013, "theta": -0.0026, "rho": -0.0004, "theo": 0.1046, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "ARDX261120C00002000", "bid": 1.35, "bid_size": 23.0, "ask": 1.55, "ask_size": 30.0, "iv": 1.1702, "open_interest": 0.0, "volume": 176.0, "delta": 0.9021, "gamma": 0.126, "vega": 0.0022, "theta": -0.0032, "rho": 0.0012, "theo": 1.4688, "change": -0.35, "open": 1.45, "high": 1.5, "low": 1.37, "tick": "up", "last_trade_price": 1.5, "last_trade_time": "2026-09-18T15:32:19", "percent_change": -18.9189, "prev_day_close": 1.44999998807907}, {"option": "ARDX261120P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 99.0, "iv": 3.673, "open_interest": 0.0, "volume": 0.0, "delta": -0.1072, "gamma": 0.1014, "vega": 0.0026, "theta": -0.0026, "rho": -0.0008, "theo": 0.1183, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "ARDX261120C00003000", "bid": 0.5, "bid_size": 50.0, "ask": 0.85, "ask_size": 77.0, "iv": 0.9415, "open_interest": 0.0, "volume": 20.0, "delta": 0.7025, "gamma": 0.3949, "vega": 0.0046, "theta": -0.0031, "rho": 0.0019, "theo": 0.559, "change": -0.785, "open": 0.64, "high": 0.64, "low": 0.64, "tick": "down", "last_trade_price": 0.64, "last_trade_time": "2026-09-18T14:48:50", "percent_change": -55.0877, "prev_day_close": 0.675000011920929}, {"option": "ARDX261120P00003000", "bid": 0.05, "bid_size": 4.0, "ask": 0.4, "ask_size": 21.0, "iv": 0.6914, "open_interest": 0.0, "volume": 0.0, "delta": -0.3024, "gamma": 0.3434, "vega": 0.0048, "theta": -0.0027, "rho": -0.0022, "theo": 0.2279, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.225000003352761}, {"option": "ARDX261120C00004000", "bid": 0.0, "bid_size": 0.0, "ask": 0.45, "ask_size": 21.0, "iv": 0.8169, "open_interest": 0.0, "volume": 0.0, "delta": 0.3257, "gamma": 0.3411, "vega": 0.005, "theta": -0.0031, "rho": 0.0013, "theo": 0.1908, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.200000006705523}, {"option": "ARDX261120P00004000", "bid": 0.15, "bid_size": 617.0, "ask": 1.3, "ask_size": 47.0, "iv": 0.4037, "open_interest": 0.0, "volume": 0.0, "delta": -0.6464, "gamma": 0.3243, "vega": 0.0049, "theta": -0.0029, "rho": -0.0054, "theo": 0.8717, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.82499997317791}, {"option": "ARDX261120C00005000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 55.0, "iv": 2.4166, "open_interest": 0.0, "volume": 0.0, "delta": 0.1813, "gamma": 0.2035, "vega": 0.0037, "theta": -0.0027, "rho": 0.0008, "theo": 0.1056, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "ARDX261120P00005000", "bid": 0.95, "bid_size": 61.0, "ask": 2.3, "ask_size": 18.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7838, "gamma": 0.1977, "vega": 0.0036, "theta": -0.0026, "rho": -0.0078, "theo": 1.7818, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.72499996423721}, {"option": "ARDX261120C00006000", "bid": 0.0, "bid_size": 0.0, "ask": 1.75, "ask_size": 55.0, "iv": 2.7058, "open_interest": 0.0, "volume": 0.0, "delta": 0.1159, "gamma": 0.1334, "vega": 0.0027, "theta": -0.0022, "rho": 0.0005, "theo": 0.0675, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.875}, {"option": "ARDX261120P00006000", "bid": 0.55, "bid_size": 61.0, "ask": 4.7, "ask_size": 70.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8472, "gamma": 0.1307, "vega": 0.0027, "theta": -0.0022, "rho": -0.0098, "theo": 2.7368, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.62499991059303}, {"option": "ARDX261120C00007000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 65.0, "iv": 2.2366, "open_interest": 0.0, "volume": 0.0, "delta": 0.0796, "gamma": 0.0934, "vega": 0.0021, "theta": -0.0018, "rho": 0.0004, "theo": 0.0461, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "ARDX261120P00007000", "bid": 3.0, "bid_size": 61.0, "ask": 4.2, "ask_size": 18.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8829, "gamma": 0.0921, "vega": 0.002, "theta": -0.0018, "rho": -0.0116, "theo": 3.7079, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.59999990463257}, {"option": "ARDX270115C00001000", "bid": 2.0, "bid_size": 9.0, "ask": 2.6, "ask_size": 7.0, "iv": 0.0, "open_interest": 34.0, "volume": 0.0, "delta": 0.9548, "gamma": 0.024, "vega": 0.0022, "theta": -0.0021, "rho": 0.002, "theo": 2.6632, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.46, "last_trade_time": "2026-09-16T11:50:11", "percent_change": 0.0, "prev_day_close": 2.35000002384186}, {"option": "ARDX270115P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 1100.0, "iv": 0.0, "open_interest": 12.0, "volume": 0.0, "delta": -0.0545, "gamma": 0.0242, "vega": 0.0022, "theta": -0.0022, "rho": -0.0012, "theo": 0.2027, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.25, "last_trade_time": "2026-07-13T10:11:07", "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "ARDX270115C00002000", "bid": 0.75, "bid_size": 62.0, "ask": 2.1, "ask_size": 16.0, "iv": 0.0, "open_interest": 214.0, "volume": 0.0, "delta": 0.8861, "gamma": 0.0882, "vega": 0.004, "theta": -0.002, "rho": 0.0045, "theo": 1.6711, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.45, "last_trade_time": "2026-09-16T15:03:30", "percent_change": 0.0, "prev_day_close": 1.34999999403954}, {"option": "ARDX270115P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 0.45, "ask_size": 7.0, "iv": 1.255, "open_interest": 100.0, "volume": 0.0, "delta": -0.1239, "gamma": 0.089, "vega": 0.004, "theta": -0.002, "rho": -0.0018, "theo": 0.1959, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.12, "last_trade_time": "2026-09-14T11:01:37", "percent_change": 0.0, "prev_day_close": 0.224999994039536}, {"option": "ARDX270115C00003000", "bid": 0.15, "bid_size": 574.0, "ask": 1.35, "ask_size": 67.0, "iv": 0.6402, "open_interest": 2236.0, "volume": 0.0, "delta": 0.7294, "gamma": 0.2544, "vega": 0.0066, "theta": -0.0019, "rho": 0.0057, "theo": 0.775, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.6, "last_trade_time": "2026-09-17T15:01:40", "percent_change": 0.0, "prev_day_close": 0.750000014901161}, {"option": "ARDX270115P00003000", "bid": 0.15, "bid_size": 6.0, "ask": 0.4, "ask_size": 17.0, "iv": 0.6599, "open_interest": 25222.0, "volume": 0.0, "delta": -0.2842, "gamma": 0.2604, "vega": 0.0066, "theta": -0.0019, "rho": -0.0034, "theo": 0.2872, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.33, "last_trade_time": "2026-09-15T10:47:52", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "ARDX270115C00004000", "bid": 0.25, "bid_size": 20.0, "ask": 0.6, "ask_size": 100.0, "iv": 0.7699, "open_interest": 2382.0, "volume": 107.0, "delta": 0.4232, "gamma": 0.329, "vega": 0.0077, "theta": -0.002, "rho": 0.0038, "theo": 0.3018, "change": -0.1, "open": 0.3, "high": 0.3, "low": 0.25, "tick": "no_change", "last_trade_price": 0.3, "last_trade_time": "2026-09-18T14:05:43", "percent_change": -25.0, "prev_day_close": 0.325000002980232}, {"option": "ARDX270115P00004000", "bid": 0.75, "bid_size": 2.0, "ask": 1.25, "ask_size": 1.0, "iv": 0.5968, "open_interest": 81072.0, "volume": 100.0, "delta": -0.603, "gamma": 0.3482, "vega": 0.0075, "theta": -0.0021, "rho": -0.0062, "theo": 0.8108, "change": 0.05, "open": 0.9, "high": 0.9, "low": 0.9, "tick": "no_change", "last_trade_price": 0.9, "last_trade_time": "2026-09-18T10:26:05", "percent_change": 5.88235, "prev_day_close": 0.800000011920929}, {"option": "ARDX270115C00005000", "bid": 0.05, "bid_size": 12.0, "ask": 0.35, "ask_size": 6.0, "iv": 0.7544, "open_interest": 10326.0, "volume": 0.0, "delta": 0.2488, "gamma": 0.2318, "vega": 0.0062, "theta": -0.0018, "rho": 0.0022, "theo": 0.165, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-09-17T12:45:35", "percent_change": 0.0, "prev_day_close": 0.199999997392297}, {"option": "ARDX270115P00005000", "bid": 1.25, "bid_size": 36.0, "ask": 2.25, "ask_size": 51.0, "iv": 0.8192, "open_interest": 1448.0, "volume": 0.0, "delta": -0.7878, "gamma": 0.2552, "vega": 0.0056, "theta": -0.002, "rho": -0.007, "theo": 1.6778, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.4, "last_trade_time": "2026-09-04T14:03:52", "percent_change": 0.0, "prev_day_close": 1.67499995231628}, {"option": "ARDX270115C00006000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 22.0, "iv": 0.7626, "open_interest": 154.0, "volume": 0.0, "delta": 0.162, "gamma": 0.1621, "vega": 0.0048, "theta": -0.0015, "rho": 0.0015, "theo": 0.1044, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.07, "last_trade_time": "2026-09-17T12:24:30", "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "ARDX270115P00006000", "bid": 1.9, "bid_size": 62.0, "ask": 3.3, "ask_size": 16.0, "iv": 0.6948, "open_interest": 13.0, "volume": 0.0, "delta": -0.8829, "gamma": 0.1878, "vega": 0.0037, "theta": -0.0018, "rho": -0.0061, "theo": 2.6235, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.32, "last_trade_time": "2026-08-31T09:55:56", "percent_change": 0.0, "prev_day_close": 2.69999992847443}, {"option": "ARDX270115C00007000", "bid": 0.0, "bid_size": 0.0, "ask": 0.1, "ask_size": 34.0, "iv": 0.7656, "open_interest": 5832.0, "volume": 0.0, "delta": 0.1118, "gamma": 0.1173, "vega": 0.0037, "theta": -0.0013, "rho": 0.001, "theo": 0.0704, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.05, "last_trade_time": "2026-09-17T11:58:02", "percent_change": 0.0, "prev_day_close": 0.0500000007450581}, {"option": "ARDX270115P00007000", "bid": 1.5, "bid_size": 209.0, "ask": 4.4, "ask_size": 92.0, "iv": 0.0, "open_interest": 481.0, "volume": 0.0, "delta": -0.9406, "gamma": 0.1428, "vega": 0.0021, "theta": -0.0016, "rho": -0.0041, "theo": 3.5983, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 3.59, "last_trade_time": "2026-09-15T14:35:28", "percent_change": 0.0, "prev_day_close": 2.95000004768372}, {"option": "ARDX270115C00008000", "bid": 0.0, "bid_size": 0.0, "ask": 0.4, "ask_size": 23.0, "iv": 1.2192, "open_interest": 185.0, "volume": 0.0, "delta": 0.0801, "gamma": 0.0872, "vega": 0.0029, "theta": -0.001, "rho": 0.0007, "theo": 0.0494, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.13, "last_trade_time": "2026-09-11T15:27:18", "percent_change": 0.0, "prev_day_close": 0.200000002980232}, {"option": "ARDX270115P00008000", "bid": 3.9, "bid_size": 81.0, "ask": 4.7, "ask_size": 21.0, "iv": 0.0, "open_interest": 1.0, "volume": 5.0, "delta": -0.9756, "gamma": 0.0895, "vega": 0.0009, "theta": -0.0012, "rho": -0.002, "theo": 4.5882, "change": 0.07, "open": 4.62, "high": 4.62, "low": 4.62, "tick": "up", "last_trade_price": 4.62, "last_trade_time": "2026-09-18T12:01:36", "percent_change": 1.53846, "prev_day_close": 4.29999995231628}, {"option": "ARDX270115C00009000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 139.0, "iv": 1.61, "open_interest": 21.0, "volume": 0.0, "delta": 0.0589, "gamma": 0.0663, "vega": 0.0023, "theta": -0.0008, "rho": 0.0005, "theo": 0.0356, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-09T12:28:55", "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "ARDX270115P00009000", "bid": 4.8, "bid_size": 75.0, "ask": 6.7, "ask_size": 25.0, "iv": 1.4372, "open_interest": 0.0, "volume": 0.0, "delta": -0.9926, "gamma": 0.0363, "vega": 0.0002, "theta": -0.0002, "rho": -0.0006, "theo": 5.5854, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 3.25, "last_trade_time": "2026-06-26T10:29:56", "percent_change": 0.0, "prev_day_close": 5.75}, {"option": "ARDX270115C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 0.25, "ask_size": 10.0, "iv": 1.0352, "open_interest": 2682.0, "volume": 50.0, "delta": 0.0442, "gamma": 0.0512, "vega": 0.0018, "theta": -0.0007, "rho": 0.0004, "theo": 0.0262, "change": -0.01, "open": 0.04, "high": 0.04, "low": 0.04, "tick": "up", "last_trade_price": 0.04, "last_trade_time": "2026-09-18T10:04:46", "percent_change": -20.0, "prev_day_close": 0.0500000007450581}, {"option": "ARDX270115P00010000", "bid": 4.5, "bid_size": 83.0, "ask": 8.7, "ask_size": 41.0, "iv": 1.1418, "open_interest": 0.0, "volume": 0.0, "delta": -0.9986, "gamma": 0.0085, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 6.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 4.39, "last_trade_time": "2026-06-16T09:51:07", "percent_change": 0.0, "prev_day_close": 6.59999990463257}, {"option": "ARDX270115C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 191.0, "iv": 2.7239, "open_interest": 112.0, "volume": 0.0, "delta": 0.0338, "gamma": 0.0401, "vega": 0.0015, "theta": -0.0006, "rho": 0.0003, "theo": 0.0196, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-04T09:30:00", "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "ARDX270115P00011000", "bid": 5.5, "bid_size": 83.0, "ask": 9.7, "ask_size": 41.0, "iv": 1.2218, "open_interest": 3.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 7.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 7.44, "last_trade_time": "2026-09-11T13:49:45", "percent_change": 0.0, "prev_day_close": 7.59999990463257}, {"option": "ARDX270115C00012000", "bid": 0.0, "bid_size": 0.0, "ask": 0.35, "ask_size": 21.0, "iv": 1.5072, "open_interest": 1589.0, "volume": 0.0, "delta": 0.0261, "gamma": 0.0318, "vega": 0.0012, "theta": -0.0005, "rho": 0.0002, "theo": 0.0149, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.06, "last_trade_time": "2026-09-17T09:51:13", "percent_change": 0.0, "prev_day_close": 0.174999997019768}, {"option": "ARDX270115P00012000", "bid": 6.5, "bid_size": 83.0, "ask": 10.7, "ask_size": 41.0, "iv": 1.2943, "open_interest": 1.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 8.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 8.55, "last_trade_time": "2026-09-17T10:39:51", "percent_change": 0.0, "prev_day_close": 8.59999990463257}, {"option": "ARDX270115C00013000", "bid": 0.0, "bid_size": 0.0, "ask": 2.15, "ask_size": 157.0, "iv": 2.8707, "open_interest": 7.0, "volume": 0.0, "delta": 0.0205, "gamma": 0.0254, "vega": 0.001, "theta": -0.0004, "rho": 0.0002, "theo": 0.0114, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.18, "last_trade_time": "2026-06-22T13:25:15", "percent_change": 0.0, "prev_day_close": 1.07500004768372}, {"option": "ARDX270115P00013000", "bid": 7.5, "bid_size": 83.0, "ask": 11.7, "ask_size": 41.0, "iv": 1.3607, "open_interest": 0.0, "volume": 0.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 9.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 9.3, "last_trade_time": "2026-09-11T10:30:57", "percent_change": 0.0, "prev_day_close": 9.59999990463257}, {"option": "ARDX270115C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 35.0, "iv": 1.4893, "open_interest": 56.0, "volume": 0.0, "delta": 0.0129, "gamma": 0.0167, "vega": 0.0006, "theta": -0.0003, "rho": 0.0001, "theo": 0.007, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-07-22T15:14:21", "percent_change": 0.0, "prev_day_close": 0.100000001490116}, {"option": "ARDX270115P00015000", "bid": 9.5, "bid_size": 77.0, "ask": 12.5, "ask_size": 23.0, "iv": 0.0, "open_interest": 0.0, "volume": 1.0, "delta": -1.0, "gamma": 0.0, "vega": 0.0, "theta": 0.0, "rho": 0.0, "theo": 11.585, "change": -0.54, "open": 11.61, "high": 11.61, "low": 11.61, "tick": "up", "last_trade_price": 11.61, "last_trade_time": "2026-09-18T10:26:44", "percent_change": -4.44445, "prev_day_close": 10.6500000953674}, {"option": "ARDX270416C00001000", "bid": 1.6, "bid_size": 62.0, "ask": 4.4, "ask_size": 451.0, "iv": 2.8173, "open_interest": 0.0, "volume": 0.0, "delta": 0.9629, "gamma": 0.0198, "vega": 0.0029, "theta": -0.0014, "rho": 0.0027, "theo": 2.8181, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.25}, {"option": "ARDX270416P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.75, "ask_size": 65.0, "iv": 2.3734, "open_interest": 0.0, "volume": 0.0, "delta": -0.0558, "gamma": 0.0201, "vega": 0.003, "theta": -0.0015, "rho": -0.0025, "theo": 0.3159, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.375}, {"option": "ARDX270416C00002000", "bid": 1.05, "bid_size": 8.0, "ask": 3.5, "ask_size": 451.0, "iv": 1.869, "open_interest": 1.0, "volume": 0.0, "delta": 0.8823, "gamma": 0.0754, "vega": 0.0057, "theta": -0.0015, "rho": 0.0067, "theo": 1.8397, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.19, "last_trade_time": "2026-08-27T10:15:40", "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX270416P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 0.4, "ask_size": 5.0, "iv": 0.9179, "open_interest": 0.0, "volume": 0.0, "delta": -0.1376, "gamma": 0.0767, "vega": 0.0057, "theta": -0.0015, "rho": -0.0039, "theo": 0.3116, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.200000002980232}, {"option": "ARDX270416C00003000", "bid": 0.3, "bid_size": 7.0, "ask": 1.75, "ask_size": 35.0, "iv": 0.7466, "open_interest": 1012.0, "volume": 0.0, "delta": 0.7386, "gamma": 0.1916, "vega": 0.0088, "theta": -0.0014, "rho": 0.0089, "theo": 0.9674, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.0, "last_trade_time": "2026-09-15T12:26:34", "percent_change": 0.0, "prev_day_close": 0.875000014901161}, {"option": "ARDX270416P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.65, "ask_size": 8.0, "iv": 0.5768, "open_interest": 68.0, "volume": 0.0, "delta": -0.2871, "gamma": 0.1993, "vega": 0.0089, "theta": -0.0015, "rho": -0.0064, "theo": 0.4172, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.49, "last_trade_time": "2026-09-14T15:43:46", "percent_change": 0.0, "prev_day_close": 0.324999988079071}, {"option": "ARDX270416C00004000", "bid": 0.5, "bid_size": 50.0, "ask": 1.25, "ask_size": 35.0, "iv": 0.9824, "open_interest": 664.0, "volume": 0.0, "delta": 0.4945, "gamma": 0.2717, "vega": 0.0105, "theta": -0.0014, "rho": 0.0071, "theo": 0.4483, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.6, "last_trade_time": "2026-09-17T13:12:06", "percent_change": 0.0, "prev_day_close": 0.675000011920929}, {"option": "ARDX270416P00004000", "bid": 0.3, "bid_size": 450.0, "ask": 1.8, "ask_size": 28.0, "iv": 0.729, "open_interest": 48.0, "volume": 0.0, "delta": -0.5492, "gamma": 0.2975, "vega": 0.0102, "theta": -0.0015, "rho": -0.0102, "theo": 0.8903, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.0, "last_trade_time": "2026-09-16T12:10:52", "percent_change": 0.0, "prev_day_close": 1.05000001192093}, {"option": "ARDX270416C00005000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 11.0, "iv": 0.8555, "open_interest": 248.0, "volume": 0.0, "delta": 0.321, "gamma": 0.2263, "vega": 0.0094, "theta": -0.0014, "rho": 0.0048, "theo": 0.2592, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-09-17T12:10:46", "percent_change": 0.0, "prev_day_close": 0.425000006332994}, {"option": "ARDX270416P00005000", "bid": 1.0, "bid_size": 156.0, "ask": 3.0, "ask_size": 46.0, "iv": 0.925, "open_interest": 1.0, "volume": 0.0, "delta": -0.742, "gamma": 0.2634, "vega": 0.0082, "theta": -0.0015, "rho": -0.0113, "theo": 1.7072, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.35, "last_trade_time": "2026-09-03T10:52:07", "percent_change": 0.0, "prev_day_close": 2.10000002384186}, {"option": "ARDX270416C00006000", "bid": 0.05, "bid_size": 112.0, "ask": 0.35, "ask_size": 16.0, "iv": 0.6952, "open_interest": 68.0, "volume": 10.0, "delta": 0.2233, "gamma": 0.1746, "vega": 0.0078, "theta": -0.0012, "rho": 0.0034, "theo": 0.172, "change": -0.25, "open": 0.1, "high": 0.1, "low": 0.1, "tick": "down", "last_trade_price": 0.1, "last_trade_time": "2026-09-18T12:38:56", "percent_change": -71.4286, "prev_day_close": 0.200000006705523}, {"option": "ARDX270416P00006000", "bid": 2.2, "bid_size": 44.0, "ask": 2.9, "ask_size": 38.0, "iv": 0.0, "open_interest": 35.0, "volume": 0.0, "delta": -0.856, "gamma": 0.2182, "vega": 0.0056, "theta": -0.0014, "rho": -0.0097, "theo": 2.6322, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.62, "last_trade_time": "2026-09-11T13:28:52", "percent_change": 0.0, "prev_day_close": 2.55000007152557}, {"option": "ARDX270416C00007000", "bid": 0.0, "bid_size": 0.0, "ask": 1.4, "ask_size": 67.0, "iv": 1.362, "open_interest": 10.0, "volume": 0.0, "delta": 0.1631, "gamma": 0.1359, "vega": 0.0064, "theta": -0.001, "rho": 0.0024, "theo": 0.1217, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.25, "last_trade_time": "2026-08-21T11:17:07", "percent_change": 0.0, "prev_day_close": 0.7249999884516}, {"option": "ARDX270416P00007000", "bid": 2.8, "bid_size": 55.0, "ask": 5.8, "ask_size": 41.0, "iv": 1.5339, "open_interest": 0.0, "volume": 0.0, "delta": -0.9307, "gamma": 0.1787, "vega": 0.0031, "theta": -0.0014, "rho": -0.0063, "theo": 3.5988, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.40000009536743}, {"option": "ARDX270416C00008000", "bid": 0.0, "bid_size": 0.0, "ask": 0.2, "ask_size": 21.0, "iv": 0.7477, "open_interest": 1.0, "volume": 50.0, "delta": 0.1231, "gamma": 0.1074, "vega": 0.0053, "theta": -0.0009, "rho": 0.0018, "theo": 0.0895, "change": 0.12, "open": 0.22, "high": 0.22, "low": 0.22, "tick": "down", "last_trade_price": 0.22, "last_trade_time": "2026-09-18T10:04:46", "percent_change": 120.0, "prev_day_close": 0.100000001490116}, {"option": "ARDX270416P00008000", "bid": 3.8, "bid_size": 75.0, "ask": 5.4, "ask_size": 31.0, "iv": 0.798, "open_interest": 0.0, "volume": 0.0, "delta": -0.975, "gamma": 0.1004, "vega": 0.0009, "theta": -0.0009, "rho": -0.002, "theo": 4.5873, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.59999990463257}, {"option": "ARDX280121C00001000", "bid": 0.7, "bid_size": 50.0, "ask": 5.0, "ask_size": 365.0, "iv": 1.6202, "open_interest": 71.0, "volume": 4.0, "delta": 0.9437, "gamma": 0.0205, "vega": 0.0044, "theta": -0.0003, "rho": 0.0059, "theo": 2.7364, "change": -0.025, "open": 2.55, "high": 2.55, "low": 2.47, "tick": "up", "last_trade_price": 2.5, "last_trade_time": "2026-09-18T13:34:10", "percent_change": -0.990099, "prev_day_close": 2.60000002384186}, {"option": "ARDX280121P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 1019.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.0542, "gamma": 0.0207, "vega": 0.0044, "theta": -0.0006, "rho": -0.0053, "theo": 0.2745, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX280121C00002000", "bid": 1.4, "bid_size": 59.0, "ask": 2.2, "ask_size": 45.0, "iv": 0.7133, "open_interest": 2747.0, "volume": 40.0, "delta": 0.8597, "gamma": 0.061, "vega": 0.0086, "theta": -0.0006, "rho": 0.0129, "theo": 1.9574, "change": -0.05, "open": 1.8, "high": 1.8, "low": 1.8, "tick": "down", "last_trade_price": 1.8, "last_trade_time": "2026-09-18T12:26:51", "percent_change": -2.7027, "prev_day_close": 1.80000001192093}, {"option": "ARDX280121P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 13.0, "iv": 0.6792, "open_interest": 10.0, "volume": 0.0, "delta": -0.1393, "gamma": 0.0636, "vega": 0.0088, "theta": -0.0008, "rho": -0.0101, "theo": 0.4381, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2026-09-09T10:17:57", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "ARDX280121C00003000", "bid": 1.3, "bid_size": 1.0, "ask": 5.0, "ask_size": 365.0, "iv": 3.0027, "open_interest": 495.0, "volume": 1.0, "delta": 0.7431, "gamma": 0.1044, "vega": 0.0126, "theta": -0.0008, "rho": 0.0154, "theo": 1.3823, "change": 0.125, "open": 1.5, "high": 1.5, "low": 1.5, "tick": "up", "last_trade_price": 1.5, "last_trade_time": "2026-09-18T15:50:50", "percent_change": 9.09091, "prev_day_close": 3.14999997615814}, {"option": "ARDX280121P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 0.95, "ask_size": 7.0, "iv": 0.5468, "open_interest": 95.0, "volume": 0.0, "delta": -0.2624, "gamma": 0.112, "vega": 0.0128, "theta": -0.001, "rho": -0.0174, "theo": 0.8107, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.89, "last_trade_time": "2026-09-10T12:22:26", "percent_change": 0.0, "prev_day_close": 0.625}, {"option": "ARDX280121C00004000", "bid": 0.5, "bid_size": 1.0, "ask": 1.95, "ask_size": 22.0, "iv": 1.0579, "open_interest": 542.0, "volume": 0.0, "delta": 0.6236, "gamma": 0.1279, "vega": 0.0149, "theta": -0.001, "rho": 0.0148, "theo": 1.0189, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.1, "last_trade_time": "2026-09-17T13:07:38", "percent_change": 0.0, "prev_day_close": 1.47500002384186}, {"option": "ARDX280121P00004000", "bid": 1.15, "bid_size": 1.0, "ask": 1.75, "ask_size": 1.0, "iv": 0.7686, "open_interest": 201.0, "volume": 0.0, "delta": -0.3929, "gamma": 0.1424, "vega": 0.015, "theta": -0.0011, "rho": -0.0247, "theo": 1.406, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.5, "last_trade_time": "2026-09-14T13:47:10", "percent_change": 0.0, "prev_day_close": 1.42500001192093}, {"option": "ARDX280121C00005000", "bid": 0.75, "bid_size": 4.0, "ask": 1.1, "ask_size": 35.0, "iv": 0.8289, "open_interest": 1591.0, "volume": 4.0, "delta": 0.5241, "gamma": 0.134, "vega": 0.0157, "theta": -0.0011, "rho": 0.0133, "theo": 0.7884, "change": -0.135, "open": 0.75, "high": 0.75, "low": 0.7, "tick": "up", "last_trade_price": 0.74, "last_trade_time": "2026-09-18T13:34:22", "percent_change": -15.4286, "prev_day_close": 0.824999988079071}, {"option": "ARDX280121P00005000", "bid": 0.1, "bid_size": 1111.0, "ask": 5.0, "ask_size": 969.0, "iv": 1.0066, "open_interest": 259.0, "volume": 0.0, "delta": -0.5059, "gamma": 0.1557, "vega": 0.0154, "theta": -0.0012, "rho": -0.0303, "theo": 2.1454, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 2.14, "last_trade_time": "2026-09-15T10:25:31", "percent_change": 0.0, "prev_day_close": 2.55000000074506}, {"option": "ARDX280121C00007000", "bid": 0.3, "bid_size": 1.0, "ask": 0.7, "ask_size": 42.0, "iv": 0.7466, "open_interest": 606.0, "volume": 40.0, "delta": 0.3837, "gamma": 0.1251, "vega": 0.015, "theta": -0.0011, "rho": 0.0104, "theo": 0.5218, "change": 0.05, "open": 0.5, "high": 0.55, "low": 0.39, "tick": "no_change", "last_trade_price": 0.55, "last_trade_time": "2026-09-18T15:19:26", "percent_change": 10.0, "prev_day_close": 0.425000011920929}, {"option": "ARDX280121P00007000", "bid": 1.15, "bid_size": 199.0, "ask": 4.1, "ask_size": 23.0, "iv": 0.0, "open_interest": 514.0, "volume": 1.0, "delta": -0.6769, "gamma": 0.1613, "vega": 0.0134, "theta": -0.0011, "rho": -0.0349, "theo": 3.8445, "change": 1.225, "open": 3.7, "high": 3.7, "low": 3.7, "tick": "no_change", "last_trade_price": 3.7, "last_trade_time": "2026-09-18T10:56:22", "percent_change": 49.4949, "prev_day_close": 2.62499994039536}, {"option": "ARDX280121C00010000", "bid": 0.05, "bid_size": 1.0, "ask": 0.45, "ask_size": 32.0, "iv": 0.7891, "open_interest": 798.0, "volume": 1.0, "delta": 0.2605, "gamma": 0.1026, "vega": 0.0128, "theta": -0.001, "rho": 0.0074, "theo": 0.3241, "change": -0.075, "open": 0.3, "high": 0.3, "low": 0.3, "tick": "down", "last_trade_price": 0.3, "last_trade_time": "2026-09-18T10:30:15", "percent_change": -20.0, "prev_day_close": 0.324999995529652}, {"option": "ARDX280121P00010000", "bid": 4.1, "bid_size": 73.0, "ask": 7.1, "ask_size": 9.0, "iv": 0.0, "open_interest": 40.0, "volume": 0.0, "delta": -0.8512, "gamma": 0.1611, "vega": 0.008, "theta": -0.0009, "rho": -0.0269, "theo": 6.646, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.38, "last_trade_time": "2026-09-09T11:05:50", "percent_change": 0.0, "prev_day_close": 5.59999990463257}, {"option": "ARDX280121C00012000", "bid": 0.0, "bid_size": 0.0, "ask": 0.45, "ask_size": 21.0, "iv": 0.7798, "open_interest": 552.0, "volume": 0.0, "delta": 0.209, "gamma": 0.0892, "vega": 0.0113, "theta": -0.0009, "rho": 0.006, "theo": 0.2494, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-09-17T13:41:02", "percent_change": 0.0, "prev_day_close": 0.125}, {"option": "ARDX280121P00012000", "bid": 6.0, "bid_size": 30.0, "ask": 11.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 9.0, "volume": 0.0, "delta": -0.9331, "gamma": 0.1404, "vega": 0.0032, "theta": -0.0007, "rho": -0.0117, "theo": 8.5973, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 8.0, "last_trade_time": "2026-09-11T10:02:32", "percent_change": 0.0, "prev_day_close": 8.5}, {"option": "ARDX280121C00015000", "bid": 0.05, "bid_size": 5.0, "ask": 5.0, "ask_size": 6.0, "iv": 1.6128, "open_interest": 600.0, "volume": 0.0, "delta": 0.156, "gamma": 0.0728, "vega": 0.0094, "theta": -0.0008, "rho": 0.0046, "theo": 0.1774, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.15, "last_trade_time": "2026-09-15T13:44:18", "percent_change": 0.0, "prev_day_close": 0.125000001862645}, {"option": "ARDX280121P00015000", "bid": 9.0, "bid_size": 30.0, "ask": 14.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.9914, "gamma": 0.0272, "vega": 0.0, "theta": -0.0004, "rho": 0.0, "theo": 11.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 9.02, "last_trade_time": "2026-04-28T11:05:39", "percent_change": 0.0, "prev_day_close": 11.5}, {"option": "ARDX290119C00001000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0001, "vega": 0.0001, "theta": 0.0, "rho": 0.0, "theo": 3.6328, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.002, "gamma": 0.0005, "vega": 0.0003, "theta": 0.0, "rho": -0.0075, "theo": 0.9513, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119C00002000", "bid": 1.45, "bid_size": 32.0, "ask": 5.0, "ask_size": 10.0, "iv": 1.8137, "open_interest": 0.0, "volume": 0.0, "delta": 0.9975, "gamma": 0.0158, "vega": 0.0071, "theta": -0.0003, "rho": 0.0074, "theo": 3.0803, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.42500007152557}, {"option": "ARDX290119P00002000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.0747, "gamma": 0.0186, "vega": 0.0074, "theta": -0.0006, "rho": -0.0234, "theo": 1.2685, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119C00003000", "bid": 1.6, "bid_size": 1.0, "ask": 2.65, "ask_size": 13.0, "iv": 0.8998, "open_interest": 12.0, "volume": 0.0, "delta": 0.8761, "gamma": 0.0585, "vega": 0.0146, "theta": -0.0005, "rho": 0.0201, "theo": 2.1253, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 1.8, "last_trade_time": "2026-09-17T11:01:59", "percent_change": 0.0, "prev_day_close": 1.92500001192093}, {"option": "ARDX290119P00003000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 2.1972, "open_interest": 0.0, "volume": 0.0, "delta": -0.2076, "gamma": 0.0682, "vega": 0.015, "theta": -0.0008, "rho": -0.03, "theo": 1.2104, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119C00004000", "bid": 0.45, "bid_size": 7.0, "ask": 5.0, "ask_size": 9.0, "iv": 1.4922, "open_interest": 21.0, "volume": 0.0, "delta": 0.7426, "gamma": 0.1121, "vega": 0.0195, "theta": -0.0006, "rho": 0.0269, "theo": 1.3777, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.51, "last_trade_time": "2026-09-15T14:42:14", "percent_change": 0.0, "prev_day_close": 2.72499999403954}, {"option": "ARDX290119P00004000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 1.2834, "open_interest": 0.0, "volume": 0.0, "delta": -0.3699, "gamma": 0.1417, "vega": 0.0193, "theta": -0.0007, "rho": -0.0356, "theo": 1.3957, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119C00005000", "bid": 0.4, "bid_size": 7.0, "ask": 5.0, "ask_size": 11.0, "iv": 1.5574, "open_interest": 0.0, "volume": 0.0, "delta": 0.6003, "gamma": 0.1528, "vega": 0.0219, "theta": -0.0006, "rho": 0.0269, "theo": 0.8913, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.65000005066395}, {"option": "ARDX290119P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 5.0, "ask_size": 11.0, "iv": 0.8277, "open_interest": 0.0, "volume": 0.0, "delta": -0.5698, "gamma": 0.2228, "vega": 0.0192, "theta": -0.0007, "rho": -0.0364, "theo": 1.8968, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.5}, {"option": "ARDX290119C00007000", "bid": 0.2, "bid_size": 8.0, "ask": 3.3, "ask_size": 8.0, "iv": 1.0846, "open_interest": 4.0, "volume": 0.0, "delta": 0.3744, "gamma": 0.1608, "vega": 0.0207, "theta": -0.0005, "rho": 0.0196, "theo": 0.4298, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.95, "last_trade_time": "2026-09-14T15:47:55", "percent_change": 0.0, "prev_day_close": 1.07500002533197}, {"option": "ARDX290119P00007000", "bid": 1.5, "bid_size": 9.0, "ask": 6.5, "ask_size": 11.0, "iv": 0.7664, "open_interest": 0.0, "volume": 0.0, "delta": -0.9477, "gamma": 0.2248, "vega": 0.0024, "theta": -0.0008, "rho": 0.0, "theo": 3.585, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.0}], "symbol": "ARDX", "security_type": "stock", "exchange_id": 2, "current_price": 3.4299, "price_change": 0.04, "price_change_percent": 1.1696, "bid": 3.4, "ask": 3.45, "bid_size": 8800, "ask_size": 300, "open": 3.38, "high": 3.445, "low": 3.33, "close": 3.42, "prev_day_close": 3.42, "volume": 6443091, "iv30": 60.708, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 0, "last_trade_time": "2026-09-18T15:59:59", "tick": "down"}, "symbol": "ARDX"}