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COST20260918P820
COST Sep 18 2026 820.00 Put (COST260918P00820000)
option OPRA

EOD

Jul 23, 2026

3.80+3.542%(+0.13)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	3.8000	4.1000	3.8000	3.8000	+3.542%	3	512	0.000%
2026-07-22	3.6200	3.6700	3.6200	3.6700	+7.941%	2	511	+3.542%
2026-07-21	3.5000	3.5000	3.3500	3.4000	-1.449%	3	511	+11.765%
2026-07-20	3.3700	3.5500	3.3700	3.4500	+23.214%	10	510	+10.145%
2026-07-17	2.8000	2.8000	2.8000	2.8000	-4.437%	2	509	+35.714%
2026-07-16	3.9000	3.9000	2.9300	2.9300	-44.190%	5	507	+29.693%
2026-07-15	5.1500	5.2500	5.1500	5.2500	+9.375%	2	507	-27.619%
2026-07-14	4.5600	4.8000	4.5600	4.8000	+6.667%	3	508	-20.833%
2026-07-13	4.8500	5.0500	4.5000	4.5000	-21.739%	7	508	-15.556%
2026-07-10	5.6000	5.7500	5.6000	5.7500	-7.853%	8	508	-33.913%
2026-07-09	5.1300	7.3000	5.0500	6.2400	+148.606%	350	508	-39.103%
2026-07-08	3.3400	3.3400	2.5100	2.5100	-36.935%	2	181	+51.394%
2026-07-06	3.7100	3.9800	3.7100	3.9800	+0.252%	8	183	-4.523%
2026-07-02	3.9500	3.9700	3.9500	3.9700	-32.598%	3	178	-4.282%
2026-07-01	5.8000	5.8900	5.8000	5.8900	+5.179%	2	178	-35.484%
2026-06-30	5.6000	5.6000	5.6000	5.6000	+34.940%	1	178	-32.143%
2026-06-29	3.9500	4.1500	3.2000	4.1500	+25.000%	4	177	-8.434%
2026-06-26	3.9500	3.9500	3.3200	3.3200	-34.902%	2	178	+14.458%
2026-06-25	4.4200	5.2000	4.4200	5.1000	+32.468%	13	178	-25.490%
2026-06-24	3.8000	3.8500	3.8000	3.8500	-1.535%	2	178	-1.299%
2026-06-23	4.0500	4.0500	3.9100	3.9100	-16.094%	2	180	-2.813%
2026-06-22	4.6600	4.6600	4.6600	4.6600	+4.955%	3	180	-18.455%
2026-06-18	4.4400	4.4400	4.4400	4.4400	+20.981%	1	177	-14.414%
2026-06-17	3.5000	3.6700	3.5000	3.6700	+4.857%	2	177	+3.542%
2026-06-16	3.5000	3.5000	3.5000	3.5000	-14.425%	1	177	+8.571%
2026-06-15	5.3100	5.3100	4.0900	4.0900	-10.110%	2	177	-7.090%
2026-06-12	4.8500	4.8500	4.5500	4.5500	-7.143%	8	176	-16.484%
2026-06-11	4.9000	4.9000	4.9000	4.9000	-22.835%	2	173	-22.449%
2026-06-08	6.3500	6.3500	6.3500	6.3500	+15.455%	1	173	-40.157%
2026-06-05	5.5000	5.5000	5.5000	5.5000	-3.509%	1	172	-30.909%
2026-06-04	5.4700	5.7000	5.4700	5.7000	-20.833%	12	172	-33.333%
2026-06-03	7.2000	7.2000	7.2000	7.2000	-10.000%	1	169	-47.222%
2026-06-02	8.0000	8.0000	8.0000	8.0000	-7.834%	2	170	-52.500%
2026-06-01	7.9400	8.6800	7.9400	8.6800	+1.520%	12	170	-56.221%
2026-05-29	7.1300	8.5500	7.1300	8.5500	+50.000%	29	158	-55.556%
2026-05-27	5.7000	5.7000	5.7000	5.7000	-5.000%	1	150	-33.333%
2026-05-26	6.0000	6.0000	6.0000	6.0000	+64.835%	1	151	-36.667%
2026-05-20	3.6400	3.6400	3.6400	3.6400	-8.081%	2	151	+4.396%
2026-05-18	3.9600	3.9600	3.9600	3.9600	-17.155%	1	151	-4.040%
2026-05-14	4.7800	4.7800	4.7800	4.7800	-4.400%	1	151	-20.502%
2026-05-13	5.0000	5.0000	5.0000	5.0000	-25.373%	2	152	-24.000%
2026-05-11	6.7000	6.7000	6.7000	6.7000	+8.943%	1	152	-43.284%
2026-05-05	6.1500	6.1500	6.1500	6.1500	+7.517%	1	151	-38.211%
2026-05-01	5.7200	5.7200	5.7200	5.7200	-28.944%	1	152	-33.566%
2026-04-16	8.0500	8.0500	8.0500	8.0500	-26.618%	1	152	-52.795%
2026-04-14	10.9700	10.9700	10.9700	10.9700	+49.455%	1	151	-65.360%
2026-04-09	7.3400	7.3400	7.3400	7.3400	-13.951%	1	151	-48.229%
2026-04-08	8.4100	8.7500	8.4100	8.5300	-14.700%	5	151	-55.451%
2026-04-06	10.1100	10.1100	10.0000	10.0000	-29.577%	2	149	-62.000%
2026-03-25	14.2000	14.2000	14.2000	14.2000	-0.351%	1	148	-73.239%
2026-03-23	14.2500	14.2500	14.2500	14.2500	-4.040%	2	147	-73.333%
2026-03-19	14.7500	14.8500	14.7500	14.8500	+13.359%	2	147	-74.411%
2026-03-09	13.1000	13.1000	13.1000	13.1000	-8.006%	9	147	-70.992%
2026-03-06	15.1500	15.1500	14.1000	14.2400	+10.046%	21	138	-73.315%
2026-03-03	12.9300	12.9400	12.9300	12.9400	+3.437%	5	138	-70.634%
2026-03-02	11.4300	12.5100	11.4300	12.5100	-4.504%	4	133	-69.624%
2026-02-26	13.1000	13.1000	13.1000	13.1000	-0.380%	50	134	-70.992%
2026-02-17	13.1500	13.1500	13.1500	13.1500	-23.768%	1	98	-71.103%
2026-02-10	17.2500	17.2500	17.2500	17.2500	+16.005%	3	98	-77.971%
2026-02-06	14.8700	14.8700	14.8700	14.8700	-4.065%	1	95	-74.445%
2026-02-04	15.5000	15.5000	15.5000	15.5000	-32.018%	1	95	-75.484%
2026-01-30	22.5000	22.8000	22.5000	22.8000	+40.221%	2	95	-83.333%
2026-01-26	16.2600	16.2600	16.2600	16.2600	-6.282%	1	93	-76.630%
2026-01-21	18.9300	18.9300	17.3500	17.3500	-16.386%	5	93	-78.098%
2026-01-16	20.7000	20.7500	20.7000	20.7500	+1.766%	2	87	-81.687%
2026-01-15	20.5300	20.5300	20.3900	20.3900	-13.234%	2	87	-81.363%
2026-01-12	26.2000	26.2000	23.4000	23.5000	-5.242%	75	87	-83.830%
2026-01-09	24.8000	24.8000	24.8000	24.8000	-24.848%	1	53	-84.677%
2026-01-06	33.0000	33.0000	33.0000	33.0000	-8.840%	8	53	-88.485%
2026-01-05	38.2000	38.2000	36.1500	36.2000	-8.005%	11	53	-89.503%
2025-12-31	39.3500	39.3500	39.3500	39.3500	+2.181%	1	53	-90.343%
2025-12-30	40.0000	40.0000	38.5100	38.5100	+2.149%	5	53	-90.132%
2025-12-26	37.7000	37.7000	37.7000	37.7000	+4.345%	1	53	-89.920%
2025-12-24	36.1300	36.1300	36.1300	36.1300	-16.751%	1	51	-89.482%
2025-12-19	43.4000	43.4000	43.4000	43.4000	-4.825%	7	51	-91.244%
2025-12-18	45.6000	45.6000	45.6000	45.6000	+0.662%	1	44	-91.667%
2025-12-15	42.0000	45.3000	42.0000	45.3000	+9.951%	11	43	-91.611%
2025-11-25	41.2000	41.2000	41.2000	41.2000	-2.254%	1	42	-90.777%
2025-11-21	42.1500	42.1500	42.1500	42.1500	-3.103%	1	41	-90.985%
2025-11-20	43.3000	43.5000	43.3000	43.5000	+10.546%	2	40	-91.264%
2025-11-18	39.3500	39.3500	39.3500	39.3500	+11.158%	2	40	-90.343%
2025-11-17	35.4000	35.4000	35.4000	35.4000	-0.840%	1	38	-89.266%
2025-11-11	35.7000	35.7500	35.5500	35.7000	-1.108%	4	38	-89.356%
2025-11-03	36.1000	36.1000	36.1000	36.1000	+1.547%	1	37	-89.474%
2025-10-30	35.5500	35.5500	35.5500	35.5500	+13.181%	1	37	-89.311%
2025-10-24	31.4100	31.4100	31.4100	31.4100	+2.984%	1	37	-87.902%
2025-10-14	30.3000	30.5000	30.3000	30.5000	-0.651%	2	37	-87.541%
2025-10-10	30.7000	30.7000	30.7000	30.7000	+4.244%	1	37	-87.622%
2025-10-09	28.8000	29.7500	28.8000	29.4500	-15.007%	19	37	-87.097%
2025-10-08	34.6500	34.6500	34.6500	34.6500	-5.068%	1	31	-89.033%
2025-10-07	36.5000	36.5000	36.5000	36.5000	+1.530%	1	30	-89.589%
2025-10-06	36.0500	36.1200	35.9500	35.9500	+7.313%	3	30	-89.430%
2025-09-30	33.3600	33.5000	33.3600	33.5000	-6.162%	6	30	-88.657%
2025-09-29	35.7000	35.7000	35.7000	35.7000	+3.508%	1	25	-89.356%
2025-09-26	34.7000	34.7000	34.4600	34.4900	+5.474%	7	25	-88.982%
2025-09-25	32.8000	32.9000	32.7000	32.7000	+6.515%	7	21	-88.379%
2025-09-24	30.3000	30.7000	30.3000	30.7000	-2.229%	2	22	-87.622%
2025-09-23	32.9300	32.9900	31.4000	31.4000	+17.824%	10	20	-87.898%
2025-09-09	26.8000	26.8000	26.6500	26.6500	-17.107%	5	17	-85.741%
2025-09-03	32.1500	32.1500	32.1500	32.1500	-4.599%	1	13	-88.180%
2025-09-02	33.7000	33.7000	33.7000	33.7000	+20.100%	1	12	-88.724%
2025-08-15	28.0000	28.0600	28.0000	28.0600	+0.036%	2	13	-86.458%
2025-08-07	28.3000	28.3000	28.0500	28.0500	-25.200%	4	13	-86.453%
2025-07-30	37.5000	37.5000	37.5000	37.5000	+5.485%	1	9	-89.867%
2025-07-29	35.6500	35.6500	35.5500	35.5500	+15.460%	4	8	-89.311%
2025-07-14	30.7900	30.7900	30.7900	30.7900	-0.356%	1	4	-87.658%
2025-07-09	30.9000	30.9000	30.9000	30.9000	-7.485%	1	3	-87.702%
2025-06-27	33.4000	33.4000	33.4000	33.4000	-12.105%	2	2	-88.623%
2025-06-18	38.0000	38.0000	38.0000	38.0000	+5.118%	2	2	-90.000%
2025-05-29	37.7300	37.7300	36.1500	36.1500	0.000%	2	2	-89.488%