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COST20260918P870
COST Sep 18 2026 870.00 Put (COST260918P00870000)
option OPRA

EOD

Jul 23, 2026

11.45-0.435%(-0.05)23

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	12.9100	12.9100	11.4500	11.4500	-0.435%	23	415	0.000%
2026-07-22	10.8500	11.5000	10.8200	11.5000	+8.491%	31	417	-0.435%
2026-07-21	10.6000	10.6000	10.6000	10.6000	+17.517%	1	403	+8.019%
2026-07-20	9.1500	9.1900	9.0200	9.0200	+13.459%	21	402	+26.940%
2026-07-17	6.2200	7.9500	6.2200	7.9500	-8.621%	3	381	+44.025%
2026-07-16	9.8000	9.8800	8.7000	8.7000	-42.951%	8	381	+31.609%
2026-07-15	13.3500	15.4000	12.6400	15.2500	+10.909%	62	382	-24.918%
2026-07-14	13.8000	13.8000	13.7500	13.7500	+13.076%	6	322	-16.727%
2026-07-13	12.0500	12.1600	12.0500	12.1600	-23.905%	2	320	-5.839%
2026-07-10	15.9800	15.9800	15.9800	15.9800	-1.963%	1	321	-28.348%
2026-07-09	10.5500	17.7500	10.5500	16.3000	+86.712%	55	320	-29.755%
2026-07-08	8.5500	8.7300	8.5500	8.7300	-6.631%	2	303	+31.157%
2026-07-07	9.2500	9.4000	9.2500	9.3500	-7.426%	3	303	+22.460%
2026-07-02	12.4500	12.4500	10.1000	10.1000	-27.599%	12	300	+13.366%
2026-07-01	14.4000	14.8500	13.9500	13.9500	+16.250%	13	300	-17.921%
2026-06-30	10.7000	12.0000	10.7000	12.0000	+16.959%	61	302	-4.583%
2026-06-29	8.0000	10.2600	8.0000	10.2600	+9.733%	7	287	+11.598%
2026-06-26	9.2000	9.5200	8.9500	9.3500	-17.257%	61	282	+22.460%
2026-06-25	11.0500	11.3000	11.0500	11.3000	+23.497%	3	255	+1.327%
2026-06-23	9.2000	9.4000	9.1000	9.1500	-18.739%	5	256	+25.137%
2026-06-22	11.4500	11.4500	10.8600	11.2600	-1.831%	10	255	+1.687%
2026-06-18	11.0000	12.1700	10.9000	11.4700	+20.864%	63	181	-0.174%
2026-06-17	8.5000	9.5000	7.7000	9.4900	+3.716%	23	181	+20.653%
2026-06-15	9.1500	9.1500	9.1500	9.1500	-5.670%	1	181	+25.137%
2026-06-11	10.1500	10.1500	9.7000	9.7000	-13.004%	5	180	+18.041%
2026-06-10	11.1500	11.1500	11.1500	11.1500	0.000%	2	183	+2.691%
2026-06-09	11.8500	11.8500	11.1500	11.1500	-6.695%	8	183	+2.691%
2026-06-08	12.3500	12.3500	11.9500	11.9500	+20.707%	43	183	-4.184%
2026-06-05	9.7000	9.9300	9.7000	9.9000	-16.102%	3	175	+15.657%
2026-06-04	11.2500	11.8000	10.9500	11.8000	-12.137%	8	176	-2.966%
2026-06-03	13.4300	13.4300	13.4300	13.4300	-25.014%	2	180	-14.743%
2026-06-02	17.7000	17.9100	17.7000	17.9100	+8.218%	9	179	-36.069%
2026-06-01	16.5500	16.5500	16.5500	16.5500	-1.017%	1	175	-30.816%
2026-05-29	12.6000	16.7200	12.6000	16.7200	+68.040%	4	175	-31.519%
2026-05-28	10.3900	10.3900	9.9500	9.9500	-9.545%	2	174	+15.075%
2026-05-26	11.7700	12.1900	11.0000	11.0000	+83.333%	5	174	+4.091%
2026-05-20	5.9800	6.0000	5.9800	6.0000	-15.730%	7	176	+90.833%
2026-05-18	7.1200	7.1200	7.1200	7.1200	-42.348%	1	176	+60.815%
2026-05-11	11.4500	12.3500	11.4000	12.3500	+18.750%	8	176	-7.287%
2026-05-08	10.4000	10.4000	10.4000	10.4000	-9.565%	2	180	+10.096%
2026-05-07	12.5000	12.5000	11.1000	11.5000	-0.087%	11	182	-0.435%
2026-05-04	11.5100	11.5100	11.5100	11.5100	-2.043%	1	188	-0.521%
2026-04-30	11.7500	11.7500	11.7500	11.7500	-12.313%	1	188	-2.553%
2026-04-29	13.4000	13.4000	13.4000	13.4000	+1.901%	2	188	-14.552%
2026-04-22	12.9000	13.1500	12.9000	13.1500	+5.200%	2	188	-12.928%
2026-04-20	12.5000	12.5000	12.5000	12.5000	-20.331%	5	189	-8.400%
2026-04-16	15.6900	15.6900	15.6900	15.6900	-18.068%	21	194	-27.024%
2026-04-14	18.7500	19.1500	18.7500	19.1500	+19.315%	2	194	-40.209%
2026-04-10	16.0500	16.0500	16.0500	16.0500	+5.246%	4	192	-28.660%
2026-04-08	15.2500	15.2500	15.2500	15.2500	-39.243%	2	189	-24.918%
2026-03-23	25.1000	25.1000	25.1000	25.1000	+6.582%	1	191	-54.382%
2026-03-20	23.5000	23.5500	23.5000	23.5500	-1.050%	3	191	-51.380%
2026-03-19	22.5000	24.7000	22.5000	23.8000	+18.231%	87	191	-51.891%
2026-03-18	20.1300	20.1300	20.1300	20.1300	+3.763%	1	106	-43.120%
2026-03-13	19.6500	19.7000	19.4000	19.4000	-5.596%	4	105	-40.979%
2026-03-11	20.5500	20.5500	20.5500	20.5500	-3.747%	1	101	-44.282%
2026-03-09	22.0500	22.0500	21.3500	21.3500	-5.947%	3	101	-46.370%
2026-03-06	22.1000	22.7000	22.1000	22.7000	-9.200%	6	103	-49.559%
2026-03-05	25.0000	25.0000	25.0000	25.0000	+8.932%	1	101	-54.200%
2026-02-27	22.7500	22.9500	22.2000	22.9500	-0.434%	11	101	-50.109%
2026-02-12	23.0500	23.0500	23.0500	23.0500	-2.743%	1	92	-50.325%
2026-02-06	23.8500	23.8500	23.7000	23.7000	-6.509%	2	92	-51.688%
2026-02-05	24.7000	25.3500	24.7000	25.3500	+1.198%	6	92	-54.832%
2026-02-04	25.0500	25.0500	25.0500	25.0500	-12.748%	2	87	-54.291%
2026-02-02	29.1000	29.1000	28.6300	28.7100	-7.237%	50	89	-60.118%
2026-01-29	31.0000	31.0000	30.9500	30.9500	+12.138%	5	46	-63.005%
2026-01-27	27.6000	27.6000	27.6000	27.6000	-11.680%	1	51	-58.514%
2026-01-16	31.2500	31.2500	31.2500	31.2500	-8.679%	1	51	-63.360%
2026-01-14	34.9600	34.9600	34.2200	34.2200	-5.470%	2	51	-66.540%
2026-01-13	36.5500	36.9500	36.1500	36.2000	-12.029%	11	51	-68.370%
2026-01-09	41.1500	41.1500	41.1500	41.1500	+3.652%	1	52	-72.175%
2026-01-08	39.7000	39.7000	39.5500	39.7000	-23.873%	4	52	-71.159%
2026-01-07	52.1500	52.1500	52.1500	52.1500	+2.255%	3	52	-78.044%
2026-01-06	51.8500	51.8500	51.0000	51.0000	-9.814%	4	51	-77.549%
2026-01-05	56.3700	56.5500	56.0500	56.5500	-6.760%	11	37	-79.752%
2025-12-30	60.6500	60.6500	60.6500	60.6500	+2.536%	1	37	-81.121%
2025-12-29	59.1500	59.1500	59.1500	59.1500	+3.139%	1	36	-80.642%
2025-12-26	57.3500	57.3500	57.3500	57.3500	+3.613%	1	35	-80.035%
2025-12-24	55.3500	55.3500	55.3500	55.3500	-11.369%	10	26	-79.313%
2025-12-17	62.4500	62.4500	62.4500	62.4500	-7.068%	1	26	-81.665%
2025-12-16	67.2000	67.2000	67.2000	67.2000	+20.885%	2	27	-82.961%
2025-12-04	54.0500	56.5500	54.0500	55.5900	-11.944%	12	25	-79.403%
2025-11-19	63.1300	63.1300	63.1300	63.1300	+6.964%	1	14	-81.863%
2025-11-18	59.0200	59.0200	59.0200	59.0200	+37.865%	1	15	-80.600%
2025-10-14	43.0500	43.0500	42.8100	42.8100	-8.760%	2	14	-73.254%
2025-10-10	46.9200	46.9200	46.9200	46.9200	-7.729%	1	13	-75.597%
2025-09-26	50.8500	50.8500	50.8500	50.8500	+13.252%	1	14	-77.483%
2025-09-24	44.9000	44.9000	44.9000	44.9000	+14.629%	2	13	-74.499%
2025-09-12	39.9500	39.9500	39.1700	39.1700	+7.462%	2	11	-70.768%
2025-09-09	38.2500	38.3500	36.4500	36.4500	-6.658%	7	10	-68.587%
2025-09-08	39.9700	39.9700	39.0500	39.0500	+7.280%	2	8	-70.679%
2025-08-12	36.4000	36.4000	36.4000	36.4000	-8.312%	1	8	-68.544%
2025-08-07	39.7500	39.7500	39.7000	39.7000	-19.960%	2	7	-71.159%
2025-07-29	49.6000	49.6000	49.6000	49.6000	-0.800%	1	6	-76.915%
2025-07-25	50.0000	50.0000	50.0000	50.0000	+6.952%	1	5	-77.100%
2025-07-17	46.7500	46.7500	46.7500	46.7500	+9.742%	1	5	-75.508%
2025-07-07	43.3800	43.3800	42.5300	42.6000	-7.088%	3	4	-73.122%
2025-06-26	45.7000	45.8500	45.7000	45.8500	-6.045%	2	3	-75.027%
2025-06-20	48.8000	48.8000	48.8000	48.8000	+6.318%	2	3	-76.537%
2025-06-11	45.9000	45.9000	45.9000	45.9000	-0.907%	1	2	-75.054%
2025-06-05	46.3200	46.3200	46.3200	46.3200	0.000%	1	1	-75.281%