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COST20260821P870
COST Aug 21 2026 870.00 Put (COST260821P00870000)
option OPRA

EOD

Jul 23, 2026

5.65+1.436%(+0.08)13

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	6.0300	6.5500	5.5900	5.6500	+1.436%	13	388	0.000%
2026-07-22	5.8900	5.8900	5.2500	5.5700	+11.400%	19	382	+1.436%
2026-07-21	5.4200	5.4200	4.8700	5.0000	+2.041%	51	382	+13.000%
2026-07-20	4.5000	5.0200	3.7800	4.9000	-1.606%	51	356	+15.306%
2026-07-17	2.8600	4.9800	2.8200	4.9800	+29.351%	53	327	+13.454%
2026-07-16	6.8500	7.1000	3.8500	3.8500	-59.728%	71	322	+46.753%
2026-07-15	7.1900	9.5600	6.9200	9.5600	+21.013%	9	331	-40.900%
2026-07-14	7.4000	8.0900	6.5300	7.9000	+14.162%	21	330	-28.481%
2026-07-13	8.0300	8.2700	6.3000	6.9200	-25.831%	58	325	-18.353%
2026-07-10	10.3500	10.9000	9.1000	9.3300	-14.404%	53	332	-39.443%
2026-07-09	9.6000	12.4000	9.3000	10.9000	+118.437%	143	302	-48.165%
2026-07-08	4.5500	4.9900	4.4000	4.9900	-7.934%	13	259	+13.226%
2026-07-07	4.2700	5.6000	2.6100	5.4200	-7.666%	16	268	+4.244%
2026-07-06	5.6000	6.6600	5.6000	5.8700	-0.845%	14	262	-3.748%
2026-07-02	8.6000	8.6000	5.8300	5.9200	-40.202%	101	273	-4.561%
2026-07-01	7.1200	9.9000	7.1200	9.9000	+37.691%	9	273	-42.929%
2026-06-30	6.9000	7.6700	6.5400	7.1900	+8.283%	11	270	-21.419%
2026-06-29	5.2300	7.3500	5.2300	6.6400	+7.097%	39	269	-14.910%
2026-06-26	6.6500	6.6500	5.5300	6.2000	-22.981%	4	231	-8.871%
2026-06-25	6.8600	8.0500	6.8000	8.0500	+37.607%	7	232	-29.814%
2026-06-24	5.8500	5.8500	5.8500	5.8500	-4.878%	3	228	-3.419%
2026-06-23	6.2000	6.2000	6.1000	6.1500	-12.518%	6	228	-8.130%
2026-06-22	7.0000	7.0300	6.9200	7.0300	-5.638%	13	228	-19.630%
2026-06-18	8.2000	8.2000	7.4400	7.4500	+18.820%	28	197	-24.161%
2026-06-17	4.2000	7.3500	4.2000	6.2700	+32.000%	8	197	-9.888%
2026-06-16	4.7500	4.7500	4.7500	4.7500	-29.104%	1	197	+18.947%
2026-06-15	6.7000	6.7000	6.7000	6.7000	+2.134%	2	196	-15.672%
2026-06-12	7.1000	7.1000	6.5600	6.5600	-18.000%	12	194	-13.872%
2026-06-09	8.0000	8.0000	8.0000	8.0000	-5.882%	1	195	-29.375%
2026-06-08	8.2600	8.5000	8.2600	8.5000	+10.677%	2	194	-33.529%
2026-06-04	7.7600	7.7600	7.6800	7.6800	-26.154%	2	193	-26.432%
2026-06-03	10.2500	10.4000	10.0500	10.4000	-8.772%	8	194	-45.673%
2026-06-02	12.1500	13.2500	11.4000	11.4000	-18.571%	5	197	-50.439%
2026-06-01	11.2500	14.0000	11.2500	14.0000	+38.477%	17	194	-59.643%
2026-05-29	10.2000	13.0000	10.1100	10.1100	+33.907%	99	182	-44.115%
2026-05-27	7.9500	7.9500	7.4000	7.5500	-12.717%	8	113	-25.166%
2026-05-26	8.3000	8.8500	8.3000	8.6500	+121.795%	17	108	-34.682%
2026-05-19	3.6000	4.0000	3.6000	3.9000	-11.565%	3	100	+44.872%
2026-05-18	4.4100	4.4100	4.4100	4.4100	-43.462%	1	97	+28.118%
2026-05-12	7.0000	7.8000	7.0000	7.8000	-16.129%	6	97	-27.564%
2026-05-11	8.7500	9.3000	8.7500	9.3000	+3.333%	3	102	-39.247%
2026-05-06	9.0000	9.0000	9.0000	9.0000	+10.429%	1	101	-37.222%
2026-05-05	8.0000	8.4900	8.0000	8.1500	-8.324%	5	100	-30.675%
2026-04-30	8.8900	8.8900	8.8900	8.8900	-14.106%	1	103	-36.445%
2026-04-28	11.2000	11.2000	10.3500	10.3500	+10.341%	2	104	-45.411%
2026-04-23	9.3800	9.3800	9.3800	9.3800	-10.239%	1	102	-39.765%
2026-04-22	10.0700	10.4500	10.0700	10.4500	-5.000%	5	102	-45.933%
2026-04-21	11.0000	11.0000	11.0000	11.0000	+9.127%	4	101	-48.636%
2026-04-20	10.3700	10.3700	10.0800	10.0800	-20.692%	3	101	-43.948%
2026-04-16	12.7400	12.7400	12.7100	12.7100	-14.698%	2	102	-55.547%
2026-04-14	15.4200	15.8500	14.9000	14.9000	+60.215%	13	100	-62.081%
2026-04-09	9.3000	9.3000	9.3000	9.3000	-21.186%	1	88	-39.247%
2026-04-08	11.8000	11.8000	11.8000	11.8000	-14.801%	1	88	-52.119%
2026-04-06	13.8500	13.8500	13.8500	13.8500	-16.717%	1	89	-59.206%
2026-03-10	16.0500	16.6500	16.0500	16.6300	-16.642%	4	88	-66.025%
2026-03-06	19.9500	19.9500	19.9500	19.9500	+4.450%	3	85	-71.679%
2026-03-03	19.1000	19.1000	19.1000	19.1000	-3.046%	1	85	-70.419%
2026-02-27	19.7000	19.7000	19.7000	19.7000	-2.764%	8	86	-71.320%
2026-02-26	19.2700	20.2600	19.2700	20.2600	-5.504%	2	86	-72.113%
2026-02-20	21.6400	21.6400	21.4400	21.4400	-4.286%	35	84	-73.647%
2026-02-04	23.0500	23.0500	22.4000	22.4000	-23.939%	5	49	-74.777%
2026-01-16	29.2500	29.4500	29.2500	29.4500	-12.637%	2	45	-80.815%
2026-01-13	33.7100	33.7100	33.7100	33.7100	+2.090%	1	45	-83.239%
2026-01-12	33.0200	33.0200	33.0200	33.0200	-10.272%	1	46	-82.889%
2026-01-08	36.8500	36.9000	36.7500	36.8000	-23.413%	12	46	-84.647%
2026-01-06	48.0500	48.0500	48.0500	48.0500	-10.170%	1	46	-88.241%
2026-01-05	53.4900	53.4900	53.4900	53.4900	-10.850%	1	46	-89.437%
2026-01-02	60.1500	60.1500	60.0000	60.0000	+5.634%	2	46	-90.583%
2025-12-31	56.8000	56.8000	56.8000	56.8000	-10.481%	1	43	-90.053%
2025-12-19	64.3700	64.3700	63.4500	63.4500	+7.945%	2	43	-91.095%
2025-12-15	58.7800	58.7800	58.7800	58.7800	+36.222%	2	41	-90.388%
2025-12-03	43.5000	43.5000	43.0500	43.1500	-22.670%	21	39	-86.906%
2025-11-25	55.8000	55.8000	55.8000	55.8000	-5.263%	2	21	-89.875%
2025-11-24	55.0000	58.9000	55.0000	58.9000	-4.770%	2	23	-90.407%
2025-11-19	64.0000	64.0000	61.8500	61.8500	+22.161%	2	21	-90.865%
2025-11-03	50.6300	50.6300	50.6300	50.6300	+4.392%	13	30	-88.841%
2025-10-30	48.5000	48.5000	48.5000	48.5000	-1.523%	1	30	-88.351%
2025-10-29	47.1700	49.2500	47.1700	49.2500	+3.141%	14	31	-88.528%
2025-09-29	49.0000	50.5000	47.7500	47.7500	-2.551%	17	21	-88.168%
2025-09-26	49.0000	49.0000	49.0000	49.0000	+28.272%	1	7	-88.469%
2025-09-08	38.2500	38.2500	38.2000	38.2000	-3.070%	2	7	-85.209%
2025-09-04	39.4100	39.4100	39.4100	39.4100	-12.031%	1	5	-85.664%
2025-09-03	44.8000	44.8000	44.8000	44.8000	+20.430%	2	4	-87.388%
2025-08-18	36.4500	37.2000	36.4500	37.2000	+7.359%	5	3	-84.812%
2025-08-12	35.0500	35.0500	34.6500	34.6500	0.000%	2	1	-83.694%