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COST20260821P860
COST Aug 21 2026 860.00 Put (COST260821P00860000)
option OPRA

EOD

Jul 23, 2026

4.35+9.572%(+0.38)14

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	5.0000	5.0000	4.2500	4.3500	+9.572%	14	636	0.000%
2026-07-22	3.7700	4.2100	3.4500	3.9700	+7.880%	78	639	+9.572%
2026-07-21	3.9800	4.0900	3.6700	3.6800	+1.099%	18	569	+18.207%
2026-07-20	3.4400	3.7200	3.0600	3.6400	-1.622%	91	568	+19.505%
2026-07-17	2.6700	3.7400	1.8000	3.7000	+22.112%	118	532	+17.568%
2026-07-16	4.5700	4.8000	3.0300	3.0300	-58.207%	78	539	+43.564%
2026-07-15	5.5600	7.2500	5.0500	7.2500	+17.314%	27	580	-40.000%
2026-07-14	5.2000	6.4300	5.0500	6.1800	+18.846%	71	576	-29.612%
2026-07-13	5.8500	5.8500	5.0000	5.2000	-25.072%	43	536	-16.346%
2026-07-10	8.5500	8.6200	6.9400	6.9400	-17.479%	131	505	-37.320%
2026-07-09	6.8900	10.2500	6.8900	8.4100	+112.911%	96	500	-48.276%
2026-07-08	3.6600	3.9900	3.4000	3.9500	-7.494%	51	456	+10.127%
2026-07-07	3.4400	4.2700	3.4400	4.2700	-12.500%	13	466	+1.874%
2026-07-06	5.0000	5.0000	4.7600	4.8800	-5.792%	41	459	-10.861%
2026-07-02	7.0500	7.3500	4.8500	5.1800	-34.180%	42	410	-16.023%
2026-07-01	6.2500	8.1100	6.2500	7.8700	+37.587%	39	410	-44.727%
2026-06-30	5.6400	5.7400	4.2500	5.7200	+6.518%	18	399	-23.951%
2026-06-29	4.5800	5.5000	4.5800	5.3700	+13.771%	10	399	-18.994%
2026-06-26	4.7000	5.0000	4.7000	4.7200	-16.755%	36	392	-7.839%
2026-06-25	6.2500	6.6000	5.6700	5.6700	+25.166%	126	363	-23.280%
2026-06-24	4.6500	5.0500	4.5300	4.5300	-33.382%	3	256	-3.974%
2026-06-23	4.4000	6.8000	4.4000	6.8000	+22.523%	6	253	-36.029%
2026-06-22	6.7400	6.7400	5.5500	5.5500	-10.915%	11	250	-21.622%
2026-06-18	5.4100	6.5000	5.4100	6.2300	+23.366%	112	155	-30.177%
2026-06-17	5.0500	5.0500	5.0500	5.0500	+44.286%	3	155	-13.861%
2026-06-16	3.5000	3.5000	3.5000	3.5000	-28.571%	1	155	+24.286%
2026-06-15	4.9000	4.9000	4.9000	4.9000	-11.712%	1	156	-11.224%
2026-06-11	5.9500	5.9500	5.5500	5.5500	-15.138%	2	156	-21.622%
2026-06-10	6.6000	6.6500	6.4500	6.5400	-7.234%	14	156	-33.486%
2026-06-09	7.0500	7.0500	7.0500	7.0500	-4.082%	2	156	-38.298%
2026-06-08	7.6200	7.6300	7.3200	7.3500	+21.689%	14	156	-40.816%
2026-06-05	5.4100	6.0400	5.4000	6.0400	-8.899%	50	148	-27.980%
2026-06-04	6.6800	6.8000	6.6300	6.6300	-21.259%	5	154	-34.389%
2026-06-03	8.4200	8.4200	8.4200	8.4200	-15.800%	2	155	-48.337%
2026-06-02	10.3000	10.3000	10.0000	10.0000	-11.504%	2	155	-56.500%
2026-06-01	9.8000	11.8200	9.8000	11.3000	+13.226%	20	155	-61.504%
2026-05-29	7.9400	10.7200	7.9400	9.9800	+66.057%	18	143	-56.413%
2026-05-28	6.0100	6.0100	6.0100	6.0100	-7.538%	1	131	-27.621%
2026-05-27	6.7000	6.7000	6.5000	6.5000	-8.451%	13	130	-33.077%
2026-05-26	6.0000	7.3700	6.0000	7.1000	+33.962%	57	119	-38.732%
2026-05-22	5.3500	5.3500	5.3000	5.3000	+15.217%	4	119	-17.925%
2026-05-21	4.6000	4.6000	4.6000	4.6000	-27.559%	1	119	-5.435%
2026-05-13	6.2000	6.4000	6.1000	6.3500	-0.626%	17	119	-31.496%
2026-05-12	6.7500	6.7500	6.3000	6.3900	-8.058%	4	114	-31.925%
2026-05-08	6.9500	6.9500	6.9500	6.9500	-2.113%	1	114	-37.410%
2026-05-07	7.1500	7.2000	7.0500	7.1000	-22.574%	10	113	-38.732%
2026-04-28	9.1700	9.1700	9.1700	9.1700	-4.380%	1	113	-52.563%
2026-04-21	9.5900	9.5900	9.5900	9.5900	-15.507%	3	112	-54.640%
2026-04-16	11.3500	11.3500	11.3500	11.3500	-0.439%	1	109	-61.674%
2026-04-10	9.5900	12.1000	9.5900	11.4000	-24.000%	6	108	-61.842%
2026-04-01	15.0000	15.0000	15.0000	15.0000	-17.081%	1	106	-71.000%
2026-03-26	18.0900	18.0900	18.0900	18.0900	-4.789%	1	106	-75.954%
2026-03-25	19.0000	19.0000	19.0000	19.0000	+2.981%	1	107	-77.105%
2026-03-20	18.4500	18.4500	18.4500	18.4500	+33.987%	1	108	-76.423%
2026-03-17	13.7700	13.7700	13.7700	13.7700	-13.123%	1	108	-68.410%
2026-03-13	15.8500	15.8500	15.8500	15.8500	-0.627%	1	108	-72.555%
2026-03-12	15.9500	15.9500	15.9500	15.9500	-11.878%	1	107	-72.727%
2026-03-06	18.1000	18.1000	18.1000	18.1000	-13.604%	1	106	-75.967%
2026-03-05	21.1500	21.1500	20.9500	20.9500	+25.826%	2	105	-79.236%
2026-03-03	16.6500	16.6500	16.6500	16.6500	+9.180%	2	104	-73.874%
2026-03-02	15.2500	15.2500	15.2500	15.2500	-14.326%	1	104	-71.475%
2026-02-27	17.4500	17.8000	17.4000	17.8000	+4.706%	6	103	-75.562%
2026-02-13	19.0500	19.0500	17.0000	17.0000	-14.573%	7	95	-74.412%
2026-02-12	19.1500	20.5500	19.1500	19.9000	-7.742%	65	95	-78.141%
2026-02-11	21.5700	21.5700	21.5700	21.5700	+1.363%	1	39	-79.833%
2026-02-10	21.2800	21.2800	21.2800	21.2800	-2.831%	1	40	-79.558%
2026-02-06	21.9000	21.9000	21.9000	21.9000	-14.118%	13	39	-80.137%
2026-01-29	25.5000	25.5000	25.5000	25.5000	+12.832%	2	32	-82.941%
2026-01-27	22.6000	22.6000	22.6000	22.6000	-31.307%	1	30	-80.752%
2026-01-09	32.9000	32.9000	32.9000	32.9000	-6.348%	1	30	-86.778%
2026-01-08	33.7500	35.1300	33.3500	35.1300	-20.340%	7	29	-87.617%
2026-01-06	44.1000	44.1000	44.1000	44.1000	-22.085%	1	29	-90.136%
2026-01-02	56.6000	56.6000	56.6000	56.6000	+8.533%	1	29	-92.314%
2025-12-31	52.1500	52.1500	52.1500	52.1500	+7.526%	1	30	-91.659%
2025-12-24	48.5000	48.5000	48.5000	48.5000	-13.331%	5	25	-91.031%
2025-12-22	55.9600	55.9600	55.9600	55.9600	-7.748%	1	24	-92.227%
2025-12-16	60.6600	60.6600	60.6600	60.6600	+29.339%	1	24	-92.829%
2025-12-04	46.9000	46.9000	46.9000	46.9000	+17.397%	1	23	-90.725%
2025-12-03	39.9500	39.9500	39.9500	39.9500	-14.819%	1	22	-89.111%
2025-11-17	46.9000	46.9000	46.9000	46.9000	+9.324%	1	22	-90.725%
2025-11-14	42.9000	42.9000	42.9000	42.9000	-5.193%	1	21	-89.860%
2025-11-06	46.9000	46.9000	45.2500	45.2500	+10.636%	3	21	-90.387%
2025-10-28	40.8500	40.9000	40.8500	40.9000	+8.632%	2	20	-89.364%
2025-10-14	37.6500	37.6500	37.6500	37.6500	+0.133%	2	19	-88.446%
2025-10-09	37.6000	37.6000	37.6000	37.6000	-19.692%	2	18	-88.431%
2025-09-29	46.8200	46.8200	46.8200	46.8200	+2.788%	3	16	-90.709%
2025-09-26	45.5500	45.5500	45.5500	45.5500	+28.382%	1	16	-90.450%
2025-09-05	35.6500	35.6500	35.4800	35.4800	-17.161%	2	16	-87.740%
2025-08-26	42.8300	42.8300	42.8300	42.8300	+5.571%	3	16	-89.844%
2025-08-25	38.4500	40.5700	38.4500	40.5700	+18.280%	2	13	-89.278%
2025-08-18	34.3000	34.3000	34.3000	34.3000	+0.882%	2	11	-87.318%
2025-08-14	34.0000	34.0000	34.0000	34.0000	0.000%	10	10	-87.206%