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COST20280121P850
COST Jan 21 2028 850.00 Put (COST280121P00850000)
option OPRA

EOD

Sep 8, 2026

58.95+5.645%(+3.15)58

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-08	59.2500	59.4300	58.9000	58.9500	+5.645%	58	336	0.000%
2026-09-04	55.4500	55.8000	55.4500	55.8000	+2.762%	2	284	+5.645%
2026-09-02	54.5000	54.5000	54.2000	54.3000	+5.951%	8	284	+8.564%
2026-09-01	51.4000	51.4000	51.2500	51.2500	+0.098%	2	280	+15.024%
2026-08-31	51.2000	51.2000	51.2000	51.2000	-6.994%	10	279	+15.137%
2026-08-20	54.0000	55.0500	54.0000	55.0500	+19.674%	8	279	+7.084%
2026-08-19	46.0000	46.0000	46.0000	46.0000	-16.303%	1	273	+28.152%
2026-08-11	54.9600	54.9600	54.9600	54.9600	-0.973%	1	274	+7.260%
2026-08-05	54.2000	56.1300	54.1500	55.5000	+0.909%	35	274	+6.216%
2026-08-04	55.0000	55.0000	55.0000	55.0000	+4.762%	1	245	+7.182%
2026-08-03	52.4300	52.5000	52.4300	52.5000	-1.704%	2	244	+12.286%
2026-07-31	53.3300	53.4100	53.3300	53.4100	+10.924%	50	243	+10.373%
2026-07-29	48.1500	48.5000	48.1500	48.1500	-1.935%	6	293	+22.430%
2026-07-28	48.0400	49.6500	47.2000	49.1000	-19.389%	28	293	+20.061%
2026-07-22	60.8600	60.9100	60.8500	60.9100	+2.284%	60	297	-3.218%
2026-07-21	59.7000	59.7000	59.5500	59.5500	+3.673%	50	237	-1.008%
2026-07-17	56.6500	57.4400	56.6500	57.4400	-0.966%	3	195	+2.629%
2026-07-16	60.0000	60.0000	58.0000	58.0000	+5.263%	2	192	+1.638%
2026-07-07	55.1500	55.1500	55.1000	55.1000	-3.553%	2	191	+6.987%
2026-06-30	57.1300	57.1300	57.1300	57.1300	+3.403%	1	190	+3.186%
2026-06-18	55.2500	55.2500	55.2500	55.2500	+11.616%	10	184	+6.697%
2026-06-16	49.5000	49.5000	49.5000	49.5000	-3.883%	2	184	+19.091%
2026-06-10	51.5000	51.5000	51.5000	51.5000	-12.355%	4	184	+14.466%
2026-06-01	58.7000	58.7600	58.7000	58.7600	+6.836%	2	180	+0.323%
2026-05-29	56.0000	56.0000	55.0000	55.0000	+17.396%	15	178	+7.182%
2026-05-28	47.0000	47.1500	46.8500	46.8500	+12.892%	5	168	+25.827%
2026-05-22	41.5000	41.5000	41.5000	41.5000	+9.211%	1	168	+42.048%
2026-05-21	37.7500	38.1300	37.7500	38.0000	+8.883%	5	168	+55.132%
2026-05-19	34.9000	34.9000	34.9000	34.9000	-4.488%	1	168	+68.911%
2026-05-18	36.5400	36.5400	36.5400	36.5400	-15.709%	2	169	+61.330%
2026-05-12	43.1400	43.3500	43.1400	43.3500	-12.424%	4	169	+35.986%
2026-05-11	48.2000	49.5000	47.8500	49.5000	+12.118%	9	169	+19.091%
2026-05-05	44.1500	44.1500	44.1500	44.1500	+4.869%	1	170	+33.522%
2026-05-01	42.1000	42.1000	42.1000	42.1000	-12.292%	2	169	+40.024%
2026-04-22	48.0000	48.0000	48.0000	48.0000	+0.503%	3	169	+22.813%
2026-04-21	47.7600	47.7600	47.7600	47.7600	-16.063%	3	169	+23.430%
2026-04-14	56.9000	56.9000	56.9000	56.9000	+3.549%	3	169	+3.603%
2026-04-13	54.9500	54.9500	54.9500	54.9500	+22.383%	3	169	+7.279%
2026-04-09	44.9000	44.9000	44.9000	44.9000	-10.361%	1	169	+31.292%
2026-04-06	50.5000	50.8000	50.0900	50.0900	-5.491%	10	168	+17.688%
2026-04-02	53.0000	53.0000	53.0000	53.0000	-3.846%	3	176	+11.226%
2026-04-01	55.1200	55.1200	55.1200	55.1200	-4.719%	3	176	+6.948%
2026-03-31	57.8500	57.8500	57.8500	57.8500	+5.201%	3	176	+1.901%
2026-03-30	54.9900	54.9900	54.9900	54.9900	+7.824%	3	176	+7.201%
2026-03-17	51.0000	51.0000	51.0000	51.0000	+3.343%	1	176	+15.588%
2026-03-13	50.0000	50.0000	49.3500	49.3500	-5.351%	4	176	+19.453%
2026-03-12	54.0000	54.3400	52.1300	52.1400	+0.754%	7	177	+13.061%
2026-03-11	51.7500	51.7500	51.7500	51.7500	-6.250%	4	180	+13.913%
2026-03-09	52.4900	55.2000	52.4900	55.2000	+3.955%	5	178	+6.793%
2026-03-06	53.2000	53.3200	53.1000	53.1000	-3.926%	8	180	+11.017%
2026-03-05	55.2000	55.2700	54.8800	55.2700	+16.974%	4	176	+6.658%
2026-03-02	47.2500	47.2500	47.2500	47.2500	-12.597%	3	172	+24.762%
2026-02-26	54.0600	54.0600	54.0600	54.0600	+0.056%	3	173	+9.046%
2026-02-24	54.0300	54.0300	54.0300	54.0300	+7.952%	3	170	+9.106%
2026-02-17	49.2000	50.0500	49.2000	50.0500	+0.100%	2	167	+17.782%
2026-02-13	50.0000	50.0000	50.0000	50.0000	-6.629%	4	170	+17.900%
2026-02-12	53.5500	53.5500	53.5500	53.5500	-7.911%	3	170	+10.084%
2026-02-11	58.1500	58.1500	58.1500	58.1500	+3.286%	1	170	+1.376%
2026-02-10	56.2000	56.3000	55.8000	56.3000	+0.554%	4	169	+4.707%
2026-02-04	55.8500	55.9900	55.8500	55.9900	-9.694%	5	165	+5.287%
2026-01-29	62.0000	62.0000	62.0000	62.0000	+6.897%	50	167	-4.919%
2026-01-28	60.4000	60.4000	58.0000	58.0000	+0.677%	2	117	+1.638%
2026-01-27	57.6100	57.6100	57.6100	57.6100	-7.006%	1	117	+2.326%
2026-01-22	61.9500	61.9500	61.9500	61.9500	+3.856%	1	116	-4.843%
2026-01-21	60.0200	60.0200	59.6500	59.6500	-2.213%	8	117	-1.174%
2026-01-16	61.0000	61.0000	61.0000	61.0000	-4.688%	2	127	-3.361%
2026-01-15	64.0000	64.0000	64.0000	64.0000	-4.648%	1	127	-7.891%
2026-01-12	67.1200	67.1200	67.1200	67.1200	-9.297%	1	128	-12.172%
2026-01-09	73.5500	74.0000	73.5500	74.0000	+4.638%	2	129	-20.338%
2026-01-08	74.8800	74.8800	70.7200	70.7200	-13.566%	3	131	-16.643%
2026-01-06	81.8200	81.8200	81.8200	81.8200	-9.190%	2	134	-27.952%
2026-01-02	90.4000	90.4000	90.1000	90.1000	+1.361%	2	132	-34.573%
2025-12-31	89.6000	89.6000	88.8000	88.8900	+0.954%	5	132	-33.682%
2025-12-29	88.0500	88.0500	88.0500	88.0500	+3.479%	1	132	-33.049%
2025-12-26	85.0900	85.0900	85.0900	85.0900	-8.917%	1	131	-30.720%
2025-12-23	93.7000	93.7000	93.4200	93.4200	-0.986%	2	130	-36.898%
2025-12-22	93.4000	94.3900	92.9000	94.3500	+0.909%	105	129	-37.520%
2025-12-19	93.5000	93.5000	93.5000	93.5000	-1.330%	2	79	-36.952%
2025-12-15	95.0000	95.0000	94.7600	94.7600	+10.186%	6	78	-37.790%
2025-12-12	86.0000	86.0000	86.0000	86.0000	-2.825%	1	73	-31.453%
2025-12-10	87.5000	88.5000	87.5000	88.5000	+1.724%	5	74	-33.390%
2025-12-08	87.1000	87.1000	87.0000	87.0000	+9.641%	2	69	-32.241%
2025-12-01	79.3500	79.3500	79.3500	79.3500	-2.638%	1	69	-25.709%
2025-11-28	81.5000	81.5000	81.5000	81.5000	-4.901%	1	70	-27.669%
2025-11-21	85.7000	85.7000	85.7000	85.7000	+3.253%	15	70	-31.214%
2025-11-20	88.0000	88.0000	83.0000	83.0000	+4.403%	3	55	-28.976%
2025-11-17	79.5000	79.5000	79.5000	79.5000	+2.700%	1	54	-25.849%
2025-11-06	77.0500	77.4100	77.0500	77.4100	-0.629%	3	53	-23.847%
2025-10-29	76.7000	77.9000	76.7000	77.9000	+5.598%	9	51	-24.326%
2025-10-28	73.2000	73.7700	73.2000	73.7700	+1.514%	2	46	-20.089%
2025-10-27	73.0000	73.0000	72.6700	72.6700	+0.931%	2	43	-18.880%
2025-10-24	72.0000	72.0000	72.0000	72.0000	+1.124%	1	43	-18.125%
2025-10-21	70.4800	71.4000	69.9700	71.2000	-2.399%	16	42	-17.205%
2025-10-20	72.9500	72.9500	72.9500	72.9500	-0.789%	1	43	-19.191%
2025-10-10	69.0000	73.5300	69.0000	73.5300	-2.221%	3	42	-19.829%
2025-10-06	75.2000	75.2000	75.2000	75.2000	+5.692%	25	41	-21.609%
2025-09-30	71.2500	71.2500	71.1500	71.1500	-3.812%	2	16	-17.147%
2025-09-29	76.8000	76.8000	73.9700	73.9700	+12.759%	14	15	-20.306%
2025-09-24	65.6000	65.6000	65.6000	65.6000	0.000%	1	1	-10.137%