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COST20260918P780
COST Sep 18 2026 780.00 Put (COST260918P00780000)
option OPRA

EOD

Jul 22, 2026

1.35-10.000%(-0.15)2

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-22	1.3500	1.3500	1.3500	1.3500	-10.000%	2	207	0.000%
2026-07-21	1.5000	1.5000	1.5000	1.5000	+20.000%	1	207	-10.000%
2026-07-20	1.2500	1.2500	1.2500	1.2500	+7.759%	8	206	+8.000%
2026-07-17	1.1600	1.1600	1.1600	1.1600	-42.857%	4	200	+16.379%
2026-07-15	2.2400	2.2400	2.0300	2.0300	-8.969%	3	196	-33.498%
2026-07-14	2.3600	2.3600	2.2300	2.2300	+6.699%	3	196	-39.462%
2026-07-13	2.3900	2.3900	2.0900	2.0900	-19.615%	3	195	-35.407%
2026-07-10	2.6000	2.6000	2.6000	2.6000	-11.565%	1	193	-48.077%
2026-07-09	2.9400	2.9400	2.9400	2.9400	+50.000%	1	192	-54.082%
2026-07-08	1.9700	1.9700	1.9600	1.9600	+2.618%	2	192	-31.122%
2026-07-07	1.9100	1.9100	1.9100	1.9100	+8.523%	5	191	-29.319%
2026-07-06	1.7600	1.7600	1.7600	1.7600	-24.786%	1	191	-23.295%
2026-07-02	2.3400	2.3400	2.3400	2.3400	-9.302%	2	189	-42.308%
2026-07-01	2.5800	2.5800	2.5800	2.5800	+7.950%	1	189	-47.674%
2026-06-30	2.4000	2.4300	2.3900	2.3900	+20.101%	5	188	-43.515%
2026-06-24	1.9900	1.9900	1.9900	1.9900	-20.400%	1	186	-32.161%
2026-06-23	2.5000	2.5000	2.5000	2.5000	-6.015%	1	186	-46.000%
2026-06-18	2.5200	2.6600	2.5200	2.6600	+31.034%	2	187	-49.248%
2026-06-17	1.9700	2.2000	1.9500	2.0300	-3.333%	5	187	-33.498%
2026-06-15	2.7500	2.7500	2.1000	2.1000	-25.000%	13	187	-35.714%
2026-06-12	2.8000	2.8000	2.8000	2.8000	+1.449%	1	181	-51.786%
2026-06-11	3.0000	3.0000	2.7600	2.7600	-18.824%	3	181	-51.087%
2026-06-09	3.4000	3.4000	3.4000	3.4000	+3.030%	1	182	-60.294%
2026-06-05	2.8900	3.3000	2.8900	3.3000	-2.941%	2	183	-59.091%
2026-06-04	3.2000	3.4000	3.0500	3.4000	-13.924%	21	183	-60.294%
2026-06-03	4.2500	4.2500	3.8500	3.9500	-17.708%	4	170	-65.823%
2026-06-02	4.8000	4.8000	4.8000	4.8000	+1.695%	1	168	-71.875%
2026-06-01	4.2600	4.7200	4.2600	4.7200	+10.798%	4	168	-71.398%
2026-05-29	4.9000	4.9000	4.2600	4.2600	+26.036%	18	167	-68.310%
2026-05-28	3.0200	3.7000	3.0200	3.3800	-6.371%	13	153	-60.059%
2026-05-27	3.6800	3.7000	3.6100	3.6100	+28.470%	15	152	-62.604%
2026-05-21	2.8100	2.8100	2.8100	2.8100	+11.508%	3	152	-51.957%
2026-05-20	2.2700	2.5200	2.1800	2.5200	-11.268%	21	152	-46.429%
2026-05-18	2.8400	2.8400	2.8400	2.8400	+1.792%	1	154	-52.465%
2026-05-15	2.7900	2.7900	2.7900	2.7900	-20.739%	1	154	-51.613%
2026-05-14	3.5200	3.5200	3.5200	3.5200	-3.030%	1	155	-61.648%
2026-05-11	3.6300	3.6300	3.6300	3.6300	-1.359%	1	156	-62.810%
2026-05-07	3.6800	3.6800	3.6800	3.6800	-0.809%	1	155	-63.315%
2026-05-06	3.7100	3.7100	3.7100	3.7100	-7.250%	2	154	-63.612%
2026-05-04	4.1000	4.1000	3.7800	4.0000	-0.990%	9	152	-66.250%
2026-05-01	4.0400	4.0400	4.0400	4.0400	-13.305%	1	153	-66.584%
2026-04-30	4.6600	4.6600	4.6600	4.6600	-20.883%	1	153	-71.030%
2026-04-16	5.8900	5.8900	5.8900	5.8900	-1.833%	21	152	-77.080%
2026-04-15	6.2400	6.2400	6.0000	6.0000	-11.111%	2	170	-77.500%
2026-04-14	6.9900	6.9900	6.7500	6.7500	+17.596%	21	169	-80.000%
2026-04-13	5.7400	5.7400	5.7400	5.7400	-4.333%	1	148	-76.481%
2026-04-08	7.3300	7.3300	5.9500	6.0000	-14.286%	7	147	-77.500%
2026-04-07	6.6000	7.1000	6.1000	7.0000	-9.091%	81	148	-80.714%
2026-04-02	7.6500	7.7000	7.6500	7.7000	-25.243%	2	111	-82.468%
2026-03-27	9.7000	10.3000	9.7000	10.3000	+15.730%	5	111	-86.893%
2026-03-26	9.4000	9.4000	8.9000	8.9000	-11.000%	19	108	-84.831%
2026-03-25	10.0000	10.0000	10.0000	10.0000	-2.913%	1	106	-86.500%
2026-03-20	9.5500	10.3000	9.5500	10.3000	+18.664%	5	106	-86.893%
2026-03-09	8.6800	8.6800	8.6800	8.6800	-9.583%	1	106	-84.447%
2026-03-06	9.8000	9.8000	9.6000	9.6000	+5.495%	3	106	-85.938%
2026-02-27	9.2000	9.2000	9.1000	9.1000	-9.901%	7	106	-85.165%
2026-02-24	10.2400	10.2400	10.1000	10.1000	-8.182%	3	106	-86.634%
2026-02-20	7.0000	11.0500	7.0000	11.0000	+11.111%	8	109	-87.727%
2026-02-18	9.8500	9.9000	9.8500	9.9000	0.000%	2	106	-86.364%
2026-02-13	9.7500	9.9000	9.7500	9.9000	-2.750%	4	107	-86.364%
2026-02-12	10.2000	10.2000	10.1800	10.1800	-9.269%	7	107	-86.739%
2026-02-11	11.2200	11.2200	11.2200	11.2200	+1.355%	1	109	-87.968%
2026-02-10	11.0700	11.0700	11.0700	11.0700	+13.889%	1	109	-87.805%
2026-02-09	9.7200	9.7200	9.7200	9.7200	-7.340%	2	108	-86.111%
2026-02-06	11.1000	11.1000	10.4900	10.4900	-17.075%	3	109	-87.131%
2026-01-29	12.6500	12.6500	12.6500	12.6500	+7.203%	1	109	-89.328%
2026-01-28	11.4000	11.8000	11.4000	11.8000	+9.259%	2	108	-88.559%
2026-01-26	10.8000	10.8000	10.8000	10.8000	-0.917%	1	108	-87.500%
2026-01-23	10.9000	10.9000	10.9000	10.9000	-4.386%	1	109	-87.615%
2026-01-22	11.4000	11.4000	11.4000	11.4000	-35.411%	1	108	-88.158%
2026-01-09	16.9000	17.6500	16.7600	17.6500	-35.395%	80	107	-92.351%
2025-12-30	27.3200	27.3200	27.3200	27.3200	-8.598%	2	77	-95.059%
2025-12-19	29.8900	29.8900	29.8900	29.8900	-3.581%	5	76	-95.483%
2025-12-18	31.0000	31.0000	31.0000	31.0000	-3.125%	1	76	-95.645%
2025-12-15	32.0000	32.0000	32.0000	32.0000	+7.023%	1	76	-95.781%
2025-12-12	29.9000	29.9000	29.9000	29.9000	+0.673%	1	75	-95.485%
2025-12-10	28.7500	29.7000	28.4500	29.7000	+3.484%	7	74	-95.455%
2025-12-08	28.7000	28.7000	28.7000	28.7000	+14.343%	1	71	-95.296%
2025-12-05	25.1000	25.1000	25.1000	25.1000	+3.505%	5	70	-94.622%
2025-12-01	24.8500	24.8500	24.2500	24.2500	-9.074%	2	74	-94.433%
2025-11-17	26.3900	26.6700	26.3400	26.6700	+4.588%	4	75	-94.938%
2025-10-29	24.8000	25.6000	24.5400	25.5000	+9.914%	36	74	-94.706%
2025-10-27	23.2000	23.2000	23.2000	23.2000	+3.664%	1	71	-94.181%
2025-10-21	22.3800	22.3800	22.3800	22.3800	-5.169%	1	71	-93.968%
2025-10-10	22.1500	23.6000	22.1500	23.6000	+6.932%	2	71	-94.280%
2025-10-09	21.9000	22.0700	21.9000	22.0700	-12.939%	6	70	-93.883%
2025-10-08	25.3500	25.3500	25.3500	25.3500	-6.111%	1	73	-94.675%
2025-10-02	27.0000	27.0000	27.0000	27.0000	+0.260%	1	73	-95.000%
2025-09-29	26.9300	26.9300	26.9300	26.9300	+5.815%	1	73	-94.987%
2025-09-26	25.4500	25.4500	25.4500	25.4500	+2.414%	1	73	-94.695%
2025-09-25	23.9500	24.8500	23.9500	24.8500	+6.882%	11	73	-94.567%
2025-09-22	23.2500	23.2500	23.2500	23.2500	+1.528%	1	64	-94.194%
2025-09-19	22.9000	22.9000	22.9000	22.9000	+2.232%	1	64	-94.105%
2025-09-18	22.4000	22.4000	22.4000	22.4000	+11.443%	1	63	-93.973%
2025-09-10	20.1000	20.1000	20.1000	20.1000	-9.744%	5	62	-93.284%
2025-09-04	22.2700	22.2700	22.2700	22.2700	-10.562%	5	57	-93.938%
2025-09-02	25.0000	25.0000	24.9000	24.9000	+4.534%	3	56	-94.578%
2025-08-28	23.7000	23.8200	23.7000	23.8200	+0.295%	10	54	-94.332%
2025-08-25	23.7500	23.7500	23.7500	23.7500	+23.377%	1	53	-94.316%
2025-08-12	19.2500	19.2500	19.2500	19.2500	-6.326%	2	52	-92.987%
2025-08-11	20.5500	20.5500	20.5500	20.5500	-1.202%	1	52	-93.431%
2025-08-08	20.4500	20.8000	19.9500	20.8000	-19.536%	40	52	-93.510%
2025-08-05	25.8500	25.8500	25.8500	25.8500	+2.579%	1	28	-94.778%
2025-08-01	25.2000	25.2000	25.2000	25.2000	-10.954%	1	27	-94.643%
2025-07-30	28.3000	28.3000	28.3000	28.3000	+16.942%	1	27	-95.230%
2025-07-15	24.0000	24.2000	24.0000	24.2000	+1.468%	2	27	-94.421%
2025-07-14	23.8500	23.8500	23.8500	23.8500	0.000%	1	27	-94.340%
2025-07-11	23.8500	23.8500	23.8500	23.8500	+6.000%	1	26	-94.340%
2025-07-10	22.5000	22.5000	22.5000	22.5000	-1.532%	5	25	-94.000%
2025-07-08	22.8500	22.8500	22.8500	22.8500	-4.792%	1	20	-94.092%
2025-07-01	26.6600	26.6600	23.9500	24.0000	-6.796%	52	19	-94.375%
2025-06-12	25.7500	25.7500	25.7500	25.7500	0.000%	1	1	-94.757%