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COST20260918P850
COST Sep 18 2026 850.00 Put (COST260918P00850000)
option OPRA

EOD

Sep 10, 2026

0.4000-20.000%(-0.1000)141

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-10	0.4200	0.5900	0.2600	0.4000	-20.000%	141	1,997	0.000%
2026-09-09	0.1000	0.7200	0.1000	0.5000	+31.579%	119	1,983	-20.000%
2026-09-08	0.4000	0.6500	0.3700	0.3800	-13.636%	517	2,025	+5.263%
2026-09-04	0.6400	0.6900	0.4200	0.4400	-33.333%	31	1,639	-9.091%
2026-09-03	0.8000	0.8300	0.4000	0.6600	+43.478%	667	1,639	-39.394%
2026-09-02	0.4500	0.7900	0.4000	0.4600	-42.500%	17	1,650	-13.043%
2026-09-01	0.5200	0.8000	0.3200	0.8000	+77.778%	76	1,650	-50.000%
2026-08-31	0.4000	0.5400	0.3600	0.4500	+12.500%	49	1,646	-11.111%
2026-08-28	0.4900	0.5800	0.4000	0.4000	-36.508%	23	1,653	0.000%
2026-08-27	0.5800	0.6800	0.5500	0.6300	+53.659%	16	1,665	-36.508%
2026-08-26	0.4400	0.5000	0.4100	0.4100	-2.381%	43	1,667	-2.439%
2026-08-25	0.4000	0.5300	0.3600	0.4200	+5.000%	45	1,671	-4.762%
2026-08-24	0.6400	0.6900	0.3800	0.4000	-34.426%	64	1,682	0.000%
2026-08-21	1.1400	1.1400	0.6100	0.6100	-62.805%	360	1,682	-34.426%
2026-08-20	2.7600	2.7600	1.1400	1.6400	+228.000%	798	1,505	-75.610%
2026-08-19	0.7900	0.9500	0.4900	0.5000	-27.536%	19	864	-20.000%
2026-08-18	0.6100	0.7300	0.5700	0.6900	-10.390%	14	872	-42.029%
2026-08-17	0.8100	0.8700	0.7600	0.7700	-9.412%	20	877	-48.052%
2026-08-14	0.9000	0.9000	0.8500	0.8500	-11.458%	4	874	-52.941%
2026-08-13	1.9000	1.9000	0.9600	0.9600	-41.463%	30	878	-58.333%
2026-08-12	2.5700	2.5700	1.5000	1.6400	-15.897%	14	895	-75.610%
2026-08-11	2.0000	2.3000	1.9500	1.9500	-3.941%	19	900	-79.487%
2026-08-10	2.6200	2.6900	2.0000	2.0300	-18.800%	41	895	-80.296%
2026-08-07	2.5800	2.5800	2.5000	2.5000	-17.763%	2	882	-84.000%
2026-08-06	2.7000	3.0400	2.6000	3.0400	-13.143%	12	880	-86.842%
2026-08-05	3.7500	4.2100	3.5000	3.5000	0.000%	30	879	-88.571%
2026-08-04	3.9300	4.1900	3.5000	3.5000	+45.228%	68	858	-88.571%
2026-08-03	3.1000	3.1900	2.4100	2.4100	-33.056%	402	832	-83.402%
2026-07-31	3.6000	3.6000	3.6000	3.6000	+3.746%	3	461	-88.889%
2026-07-30	3.3500	3.5100	3.3500	3.4700	+33.977%	15	461	-88.473%
2026-07-29	2.7100	2.7100	2.4500	2.5900	0.000%	10	449	-84.556%
2026-07-28	2.6700	2.6900	1.9600	2.5900	-27.042%	62	451	-84.556%
2026-07-27	4.4500	4.4500	3.4500	3.5500	-24.947%	32	477	-88.732%
2026-07-24	6.7000	6.7000	4.7300	4.7300	-39.898%	211	490	-91.543%
2026-07-23	8.5600	8.5600	7.4000	7.8700	+2.208%	58	356	-94.917%
2026-07-22	7.5000	7.7000	7.0700	7.7000	+13.235%	8	356	-94.805%
2026-07-21	7.1800	7.4500	6.8000	6.8000	+16.638%	6	352	-94.118%
2026-07-20	6.8000	6.8000	5.8300	5.8300	-7.460%	2	348	-93.139%
2026-07-17	4.2100	6.3000	4.2000	6.3000	+16.022%	10	347	-93.651%
2026-07-16	7.0000	7.0000	5.4300	5.4300	-32.125%	7	342	-92.634%
2026-07-15	8.6000	8.6000	8.0000	8.0000	-5.325%	6	344	-95.000%
2026-07-14	7.7700	8.7300	7.7700	8.4500	+4.321%	8	343	-95.266%
2026-07-13	9.9600	9.9600	8.1000	8.1000	-20.588%	7	340	-95.062%
2026-07-10	11.5000	11.5000	10.2000	10.2000	-3.864%	10	339	-96.078%
2026-07-09	8.8500	12.5500	8.8500	10.6100	+76.833%	108	331	-96.230%
2026-07-08	5.7300	6.1500	5.7300	6.0000	-6.977%	11	257	-93.333%
2026-07-07	7.0000	7.0000	4.7900	6.4500	-2.273%	19	257	-93.798%
2026-07-06	6.5600	7.0000	6.5600	6.6000	-6.516%	9	251	-93.939%
2026-07-02	7.8500	9.2800	7.0600	7.0600	-32.762%	19	241	-94.334%
2026-07-01	7.8500	10.5000	7.5500	10.5000	+32.576%	17	241	-96.190%
2026-06-30	7.5000	8.0700	7.3000	7.9200	-5.150%	36	232	-94.949%
2026-06-29	5.7300	8.3500	5.7300	8.3500	+32.540%	8	200	-95.210%
2026-06-26	6.7800	6.7800	5.9500	6.3000	-17.105%	8	197	-93.651%
2026-06-25	8.5000	9.0100	7.6000	7.6000	+14.286%	10	200	-94.737%
2026-06-24	6.6000	6.6500	6.6000	6.6500	-2.206%	2	198	-93.985%
2026-06-23	6.3000	6.9800	6.3000	6.8000	-12.258%	9	196	-94.118%
2026-06-22	8.2000	8.5000	7.5600	7.7500	-8.608%	19	191	-94.839%
2026-06-18	8.0000	8.5500	7.4500	8.4800	+27.519%	6	174	-95.283%
2026-06-17	5.2900	6.6500	5.2900	6.6500	+22.018%	3	174	-93.985%
2026-06-16	5.4500	5.4500	5.4500	5.4500	-15.504%	2	174	-92.661%
2026-06-15	6.8500	7.0500	6.3700	6.4500	-5.839%	41	176	-93.798%
2026-06-12	7.1000	8.0500	6.8500	6.8500	-11.613%	10	159	-94.161%
2026-06-11	7.5000	7.7500	7.5000	7.7500	-7.738%	3	163	-94.839%
2026-06-10	8.4000	8.4000	8.4000	8.4000	+1.818%	1	163	-95.238%
2026-06-09	9.0500	9.3000	8.2500	8.2500	+3.125%	3	163	-95.152%
2026-06-08	8.0000	8.0000	8.0000	8.0000	+11.111%	1	163	-95.000%
2026-06-05	7.3200	7.3200	7.2000	7.2000	-18.644%	2	163	-94.444%
2026-06-04	8.4700	8.8500	7.8000	8.8500	-14.078%	10	163	-95.480%
2026-06-03	11.6400	11.6400	9.6200	10.3000	-15.017%	3	164	-96.117%
2026-06-02	13.0000	13.0200	12.1200	12.1200	-7.269%	10	164	-96.700%
2026-06-01	13.5000	14.0000	13.0700	13.0700	+7.572%	3	160	-96.940%
2026-05-29	9.2700	14.0000	9.2700	12.1500	+50.000%	36	157	-96.708%
2026-05-28	7.5500	9.0500	7.3000	8.1000	-5.814%	16	148	-95.062%
2026-05-26	9.0300	9.0300	8.6000	8.6000	+22.857%	13	141	-95.349%
2026-05-22	7.0000	7.0000	7.0000	7.0000	+17.845%	1	127	-94.286%
2026-05-21	5.9400	5.9400	5.9400	5.9400	+27.742%	3	124	-93.266%
2026-05-19	5.0400	5.0400	4.6500	4.6500	-14.991%	2	124	-91.398%
2026-05-18	5.9500	5.9500	5.1800	5.4700	-21.068%	5	126	-92.687%
2026-05-14	6.9300	6.9300	6.9300	6.9300	-4.414%	1	126	-94.228%
2026-05-13	7.2500	7.2500	7.2500	7.2500	-2.685%	1	128	-94.483%
2026-05-12	7.4500	7.4500	7.4500	7.4500	-16.760%	1	128	-94.631%
2026-05-07	8.9500	8.9500	8.9500	8.9500	+10.494%	1	128	-95.531%
2026-05-06	10.0000	10.0000	8.1000	8.1000	+3.846%	2	127	-95.062%
2026-05-01	7.8000	7.8000	7.8000	7.8000	-10.755%	1	126	-94.872%
2026-04-30	8.7400	8.7400	8.7400	8.7400	-14.314%	1	126	-95.423%
2026-04-27	10.1100	10.2000	10.1100	10.2000	+0.890%	2	126	-96.078%
2026-04-23	10.1100	10.1100	10.1100	10.1100	-3.714%	1	124	-96.044%
2026-04-22	10.2500	10.5000	10.2500	10.5000	-1.408%	2	123	-96.190%
2026-04-21	10.6700	10.6700	10.6500	10.6500	+5.446%	2	121	-96.244%
2026-04-20	10.1000	10.1000	10.1000	10.1000	-23.369%	1	121	-96.040%
2026-04-13	13.1800	13.1800	13.1800	13.1800	+6.721%	1	120	-96.965%
2026-04-10	12.3500	12.3500	12.3500	12.3500	+22.642%	1	119	-96.761%
2026-04-09	10.0700	10.0700	10.0700	10.0700	-13.562%	4	119	-96.028%
2026-04-08	12.8000	12.8000	11.6500	11.6500	-18.246%	5	115	-96.567%
2026-04-07	14.2500	14.2500	14.2500	14.2500	-19.764%	1	116	-97.193%
2026-03-30	17.9900	18.0000	17.7600	17.7600	-10.754%	3	116	-97.748%
2026-03-27	19.4000	20.5000	19.4000	19.9000	-1.970%	4	116	-97.990%
2026-03-23	20.3000	20.3000	20.3000	20.3000	+0.495%	1	116	-98.030%
2026-03-20	19.2000	20.2000	19.2000	20.2000	+31.596%	4	115	-98.020%
2026-03-16	16.0000	16.0000	15.3500	15.3500	-13.521%	13	115	-97.394%
2026-03-09	17.6000	17.7500	17.6000	17.7500	-4.570%	2	103	-97.746%
2026-03-06	19.4000	19.4000	18.6000	18.6000	-7.000%	4	107	-97.849%
2026-03-05	18.8900	20.0000	18.8900	20.0000	+10.193%	6	108	-98.000%
2026-02-27	18.1000	18.1500	18.0000	18.1500	-4.474%	4	102	-97.796%
2026-02-25	19.0000	19.0000	19.0000	19.0000	-12.240%	2	103	-97.895%
2026-02-20	21.7000	21.7000	21.6000	21.6500	+14.429%	3	103	-98.152%
2026-02-18	19.1000	19.2000	18.9200	18.9200	+4.242%	4	103	-97.886%
2026-02-13	17.3500	18.1500	16.9000	18.1500	-13.777%	8	107	-97.796%
2026-02-06	21.2000	21.2000	21.0500	21.0500	-2.184%	2	107	-98.100%
2026-02-04	21.5200	21.5200	21.5200	21.5200	-28.977%	1	105	-98.141%
2026-01-30	28.8000	30.3000	28.8000	30.3000	+27.848%	2	106	-98.680%
2026-01-28	23.5500	23.7000	23.5500	23.7000	+4.176%	2	105	-98.312%
2026-01-27	22.7500	22.7500	22.7500	22.7500	-1.087%	1	105	-98.242%
2026-01-22	22.4000	23.0000	22.4000	23.0000	-2.128%	12	105	-98.261%
2026-01-21	23.5000	23.5000	23.5000	23.5000	-9.615%	5	98	-98.298%
2026-01-20	26.0000	26.0000	26.0000	26.0000	-0.498%	3	94	-98.462%
2026-01-16	26.1300	26.1300	26.1300	26.1300	-14.328%	1	90	-98.469%
2026-01-14	30.5500	30.5500	30.5000	30.5000	-4.178%	2	90	-98.689%
2026-01-13	31.4900	31.8300	31.4900	31.8300	+3.344%	2	90	-98.743%
2026-01-12	30.8500	30.8500	30.8000	30.8000	-8.605%	2	90	-98.701%
2026-01-09	34.4000	34.4000	33.4500	33.7000	+1.353%	3	90	-98.813%
2026-01-08	33.1500	33.5500	33.1000	33.2500	-29.956%	7	92	-98.797%
2026-01-05	47.4700	47.4700	47.4700	47.4700	-12.255%	1	92	-99.157%
2026-01-02	53.9100	54.1000	53.9100	54.1000	+5.355%	15	92	-99.261%
2025-12-30	51.6000	51.6000	51.3500	51.3500	+5.118%	2	87	-99.221%
2025-12-26	48.8500	48.8500	48.8500	48.8500	+4.069%	1	86	-99.181%
2025-12-24	50.7600	50.7600	46.9400	46.9400	-17.170%	7	80	-99.148%
2025-12-19	56.9200	56.9200	56.6700	56.6700	+0.035%	2	80	-99.294%
2025-12-17	56.6500	56.6500	56.6500	56.6500	+2.627%	2	78	-99.294%
2025-12-16	61.2000	61.2000	55.2000	55.2000	+0.364%	6	76	-99.275%
2025-12-15	55.0000	55.0000	55.0000	55.0000	+13.402%	10	74	-99.273%
2025-12-09	48.5000	48.5000	48.5000	48.5000	-3.000%	1	84	-99.175%
2025-12-08	50.0000	50.0000	50.0000	50.0000	+3.093%	1	85	-99.200%
2025-12-04	47.5000	48.5000	47.5000	48.5000	-2.650%	16	84	-99.175%
2025-11-25	51.7500	51.7500	49.8200	49.8200	-5.555%	2	68	-99.197%
2025-11-21	52.7500	52.7500	52.7500	52.7500	-2.025%	1	68	-99.242%
2025-11-19	53.8400	53.8400	53.8400	53.8400	+20.989%	1	68	-99.257%
2025-11-17	44.5000	44.5000	44.5000	44.5000	+2.299%	2	68	-99.101%
2025-11-13	43.5000	43.5000	43.5000	43.5000	-5.946%	1	70	-99.080%
2025-11-10	45.7500	46.2500	45.7500	46.2500	+4.899%	2	71	-99.135%
2025-11-06	44.0200	44.0900	44.0200	44.0900	+16.026%	2	71	-99.093%
2025-10-24	38.1000	38.1000	38.0000	38.0000	+0.132%	9	71	-98.947%
2025-10-23	37.9500	37.9500	37.9500	37.9500	+0.503%	1	66	-98.946%
2025-10-22	37.7600	37.7600	37.7600	37.7600	-4.041%	1	65	-98.941%
2025-10-20	39.3500	39.3500	39.3500	39.3500	-10.160%	2	66	-98.983%
2025-10-17	43.8000	43.8000	43.8000	43.8000	-0.680%	1	65	-99.087%
2025-10-16	44.1000	44.1000	44.1000	44.1000	+27.089%	1	65	-99.093%
2025-10-15	34.7000	34.7000	34.7000	34.7000	-12.018%	1	64	-98.847%
2025-10-10	38.5000	39.4400	38.5000	39.4400	-9.893%	4	63	-98.986%
2025-10-01	44.6500	45.1500	43.7700	43.7700	+0.482%	4	60	-99.086%
2025-09-29	45.9500	46.2000	43.5600	43.5600	-2.659%	5	56	-99.082%
2025-09-26	44.7500	44.7500	44.7500	44.7500	+10.960%	1	52	-99.106%
2025-09-25	39.7500	40.9000	39.7500	40.3300	+3.810%	5	52	-99.008%
2025-09-24	37.4000	38.8500	37.3500	38.8500	-6.386%	4	52	-98.970%
2025-09-23	41.5000	41.5000	41.5000	41.5000	+5.196%	1	51	-99.036%
2025-09-22	38.5000	39.4500	38.5000	39.4500	+5.622%	27	51	-98.986%
2025-09-19	37.3500	37.3500	37.3500	37.3500	0.000%	1	31	-98.929%
2025-09-18	37.3000	37.3500	37.3000	37.3500	+4.622%	2	30	-98.929%
2025-09-17	35.9000	35.9000	35.7000	35.7000	+0.281%	3	31	-98.880%
2025-09-05	35.6000	35.6000	35.6000	35.6000	-8.366%	2	31	-98.876%
2025-08-25	38.8500	38.8500	38.8500	38.8500	+8.520%	1	29	-98.970%
2025-08-22	35.2000	36.2000	35.2000	35.8000	+2.726%	3	29	-98.883%
2025-08-21	34.8500	34.8500	34.8500	34.8500	+1.603%	1	27	-98.852%
2025-08-18	33.9500	34.3000	33.8000	34.3000	+2.695%	5	27	-98.834%
2025-08-13	33.8500	33.8500	33.2500	33.4000	+5.864%	3	23	-98.802%
2025-08-12	31.5500	31.5500	31.5500	31.5500	-9.599%	1	21	-98.732%
2025-08-07	34.9000	34.9000	34.9000	34.9000	-19.400%	1	20	-98.854%
2025-07-29	43.5000	43.5000	43.3000	43.3000	+0.627%	2	20	-99.076%
2025-07-28	43.1400	43.1400	43.0200	43.0300	+5.208%	3	18	-99.070%
2025-06-11	40.9000	40.9000	40.9000	40.9000	-1.160%	1	15	-99.022%
2025-06-05	41.3800	41.3800	41.3800	41.3800	+21.706%	1	14	-99.033%
2025-06-04	34.0000	34.0000	34.0000	34.0000	-2.913%	1	13	-98.824%
2025-06-03	35.2800	35.2800	35.0200	35.0200	-12.450%	3	13	-98.858%
2025-05-27	40.0000	40.0000	40.0000	40.0000	0.000%	10	10	-99.000%