Dark

COST20260821P850
COST Aug 21 2026 850.00 Put (COST260821P00850000)
option OPRA

EOD

Jul 23, 2026

2.89+9.057%(+0.24)13

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	3.5400	3.5400	2.8900	2.8900	+9.057%	13	1,280	0.000%
2026-07-22	2.5600	3.1300	2.5600	2.6500	-7.986%	159	1,285	+9.057%
2026-07-21	2.9800	3.0600	2.8800	2.8800	+3.226%	4	1,270	+0.347%
2026-07-20	2.5200	2.7900	2.1100	2.7900	+3.333%	28	1,268	+3.584%
2026-07-17	1.6500	2.7500	1.5400	2.7000	+12.500%	138	1,275	+7.037%
2026-07-16	3.4500	3.6300	2.3500	2.4000	-54.111%	120	1,226	+20.417%
2026-07-15	4.3100	5.6000	3.8500	5.2300	+9.874%	74	1,255	-44.742%
2026-07-14	4.5500	5.0000	3.8700	4.7600	+9.425%	94	1,237	-39.286%
2026-07-13	5.6100	5.6100	3.9000	4.3500	-16.023%	33	1,187	-33.563%
2026-07-10	6.4300	7.5000	5.1800	5.1800	-21.870%	85	1,195	-44.208%
2026-07-09	4.4000	8.0500	4.4000	6.6300	+131.818%	496	1,174	-56.410%
2026-07-08	3.2500	3.2600	2.8600	2.8600	-11.180%	3	803	+1.049%
2026-07-07	2.4700	3.2200	2.1200	3.2200	-8.000%	9	800	-10.248%
2026-07-06	3.4000	4.0600	3.3200	3.5000	-2.778%	166	799	-17.429%
2026-07-02	6.0000	6.0000	3.6000	3.6000	-40.496%	53	782	-19.722%
2026-07-01	5.5000	6.3500	5.1000	6.0500	+27.101%	95	782	-52.231%
2026-06-30	4.6000	4.9000	3.9000	4.7600	+8.182%	16	775	-39.286%
2026-06-29	3.1000	4.6200	3.1000	4.4000	-3.297%	46	770	-34.318%
2026-06-26	4.4300	4.5500	3.4000	4.5500	-6.186%	15	754	-36.484%
2026-06-25	4.5500	5.5000	4.5500	4.8500	+7.778%	125	755	-40.412%
2026-06-24	3.8000	4.5000	3.8000	4.5000	+15.385%	6	715	-35.778%
2026-06-23	4.0600	4.0600	3.7000	3.9000	-16.129%	27	709	-25.897%
2026-06-22	4.5500	5.0000	4.5500	4.6500	-6.250%	8	683	-37.849%
2026-06-18	4.3300	5.3000	4.3300	4.9600	+4.421%	63	657	-41.734%
2026-06-17	3.6000	4.7500	3.2700	4.7500	+46.154%	55	657	-39.158%
2026-06-16	3.3500	3.6800	3.2000	3.2500	-4.412%	116	657	-11.077%
2026-06-15	3.4000	3.4000	3.4000	3.4000	-30.754%	2	634	-15.000%
2026-06-11	5.0200	5.0200	4.9100	4.9100	-1.800%	5	632	-41.141%
2026-06-10	6.0300	6.0300	5.0000	5.0000	-20.000%	4	631	-42.200%
2026-06-09	6.5900	6.5900	6.0400	6.2500	-0.794%	61	635	-53.760%
2026-06-08	6.0500	6.3000	6.0500	6.3000	+21.154%	3	635	-54.127%
2026-06-05	5.0200	5.2000	4.6000	5.2000	-5.797%	46	635	-44.423%
2026-06-04	5.7900	5.7900	5.5000	5.5200	-21.591%	3	626	-47.645%
2026-06-03	7.2200	7.2200	7.0400	7.0400	-12.655%	3	628	-58.949%
2026-06-02	9.2000	9.8000	8.0600	8.0600	-12.391%	313	627	-64.144%
2026-06-01	8.0500	10.1500	8.0500	9.2000	+13.161%	43	318	-68.587%
2026-05-29	6.2200	9.9000	6.2200	8.1300	+44.149%	202	327	-64.453%
2026-05-28	4.9000	5.6500	4.9000	5.6400	-1.913%	25	181	-48.759%
2026-05-27	5.7600	5.7600	5.7500	5.7500	-10.853%	2	156	-49.739%
2026-05-26	4.8500	6.5000	4.8500	6.4500	+48.276%	79	155	-55.194%
2026-05-22	4.3500	4.3500	4.3500	4.3500	+27.193%	1	143	-33.563%
2026-05-20	3.0500	3.4200	3.0500	3.4200	+14.000%	12	143	-15.497%
2026-05-19	2.9500	3.6500	2.9500	3.0000	-9.091%	14	134	-3.667%
2026-05-18	4.4000	4.4000	3.3000	3.3000	-26.009%	5	134	-12.424%
2026-05-15	4.3100	4.4800	4.2500	4.4600	-3.043%	6	134	-35.202%
2026-05-14	5.0500	5.1000	4.6000	4.6000	-12.381%	8	131	-37.174%
2026-05-13	5.2500	5.2500	5.2500	5.2500	-6.584%	1	126	-44.952%
2026-05-12	5.5500	5.6200	5.5500	5.6200	-22.483%	2	126	-48.577%
2026-05-11	7.2500	7.2500	7.2500	7.2500	+8.209%	1	126	-60.138%
2026-05-07	8.4500	8.4500	6.7000	6.7000	-10.667%	12	125	-56.866%
2026-05-06	6.2000	7.5500	6.2000	7.5000	+22.951%	11	123	-61.467%
2026-05-05	6.1000	6.1000	6.1000	6.1000	-14.804%	1	112	-52.623%
2026-04-30	7.1600	7.1600	7.1600	7.1600	-14.251%	1	111	-59.637%
2026-04-20	8.3500	8.3500	8.3500	8.3500	-29.237%	1	112	-65.389%
2026-04-14	12.3600	12.6700	11.8000	11.8000	+10.798%	5	113	-75.508%
2026-04-10	8.9000	10.6500	8.9000	10.6500	+32.134%	3	110	-72.864%
2026-04-09	8.0600	8.0600	8.0600	8.0600	-12.009%	1	108	-64.144%
2026-04-08	9.1600	9.1600	9.1600	9.1600	-32.148%	1	107	-68.450%
2026-04-01	13.0000	13.5000	13.0000	13.5000	+1.124%	6	107	-78.593%
2026-03-10	13.8200	13.8200	13.3500	13.3500	-6.316%	4	101	-78.352%
2026-03-09	14.2500	14.2500	14.2500	14.2500	-21.053%	1	100	-79.719%
2026-03-06	18.0500	18.0500	18.0500	18.0500	+15.335%	5	99	-83.989%
2026-03-04	15.6500	15.6500	15.6500	15.6500	-0.318%	1	104	-81.534%
2026-03-03	14.9500	15.7000	14.9500	15.7000	-3.681%	3	105	-81.592%
2026-02-27	16.3000	16.3000	16.3000	16.3000	-4.678%	6	103	-82.270%
2026-02-26	17.0500	17.1000	17.0500	17.1000	+4.141%	2	102	-83.099%
2026-02-25	16.4200	16.4200	16.4200	16.4200	-6.118%	2	101	-82.400%
2026-02-10	17.2800	17.4900	17.2800	17.4900	-13.630%	2	101	-83.476%
2026-02-06	18.7500	20.2500	18.7500	20.2500	+13.700%	18	99	-85.728%
2026-02-05	17.8100	17.8100	17.8100	17.8100	-16.970%	1	84	-83.773%
2026-02-02	22.6000	22.6000	21.4500	21.4500	-17.500%	4	85	-86.527%
2026-01-30	26.0000	26.0000	26.0000	26.0000	+31.646%	10	84	-88.885%
2026-01-27	20.4200	20.4200	19.7500	19.7500	+5.053%	4	74	-85.367%
2026-01-26	18.7700	18.8000	18.7700	18.8000	-15.315%	5	75	-84.628%
2026-01-21	22.2000	22.2000	22.2000	22.2000	-20.000%	1	70	-86.982%
2026-01-14	27.7500	27.7500	27.7500	27.7500	+0.909%	10	70	-89.586%
2026-01-13	27.5000	27.5000	27.5000	27.5000	-0.254%	1	65	-89.491%
2026-01-12	27.5700	27.5700	27.5700	27.5700	-8.253%	1	66	-89.518%
2026-01-09	30.0500	30.0500	30.0500	30.0500	-42.289%	2	67	-90.383%
2026-01-02	52.0700	52.0700	52.0700	52.0700	+9.047%	2	69	-94.450%
2025-12-31	47.7500	47.7500	47.7500	47.7500	-0.105%	1	67	-93.948%
2025-12-29	47.8000	47.8000	47.8000	47.8000	-11.481%	1	67	-93.954%
2025-12-23	54.0000	54.0000	54.0000	54.0000	-1.099%	1	67	-94.648%
2025-12-22	54.6000	54.6000	54.6000	54.6000	-4.545%	1	66	-94.707%
2025-12-16	57.2000	57.2000	57.2000	57.2000	+4.781%	1	66	-94.948%
2025-12-15	52.0600	54.5900	52.0600	54.5900	+18.674%	2	65	-94.706%
2025-12-04	44.6400	46.0000	44.6400	46.0000	-5.252%	4	65	-93.717%
2025-11-25	48.5500	48.5500	48.5500	48.5500	+0.103%	1	61	-94.047%
2025-11-21	50.1500	50.7900	48.5000	48.5000	-6.731%	4	60	-94.041%
2025-11-19	55.0000	55.7000	52.0000	52.0000	+18.182%	5	60	-94.442%
2025-11-10	44.1500	44.1500	43.6000	44.0000	+4.987%	23	58	-93.432%
2025-11-06	41.9100	41.9100	41.9100	41.9100	+1.110%	2	39	-93.104%
2025-10-29	41.4500	41.4500	41.4500	41.4500	+14.503%	5	37	-93.028%
2025-10-14	37.8500	37.8500	36.2000	36.2000	-1.550%	11	32	-92.017%
2025-10-10	36.7700	36.7700	36.7700	36.7700	+5.057%	10	32	-92.140%
2025-10-09	35.7000	36.1300	35.0000	35.0000	-7.039%	28	23	-91.743%
2025-09-30	37.6500	37.6500	37.6500	37.6500	-12.544%	5	15	-92.324%
2025-09-29	43.0000	43.0500	43.0000	43.0500	+1.773%	2	11	-93.287%
2025-09-26	42.3000	42.3000	42.3000	42.3000	+23.974%	1	10	-93.168%
2025-09-10	34.1200	34.1200	34.1200	34.1200	-12.288%	1	9	-91.530%
2025-09-03	38.9000	38.9000	38.9000	38.9000	+1.832%	1	8	-92.571%
2025-09-02	37.8500	38.2000	37.8500	38.2000	-0.391%	2	7	-92.435%
2025-08-29	38.3500	38.3500	38.3500	38.3500	+2.540%	1	4	-92.464%
2025-08-28	37.4000	37.4000	37.4000	37.4000	-5.675%	1	4	-92.273%
2025-08-26	39.6500	39.6500	39.6500	39.6500	+15.699%	1	3	-92.711%
2025-08-22	34.2700	34.2700	34.2700	34.2700	+20.584%	1	3	-91.567%
2025-08-20	28.4200	28.4200	28.4200	28.4200	-7.487%	1	2	-89.831%
2025-08-19	30.7200	30.7200	30.7200	30.7200	0.000%	1	1	-90.592%