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COST20280121P800
COST Jan 21 2028 800.00 Put (COST280121P00800000)
option OPRA

EOD

Jul 20, 2026

43.00+5.911%(+2.40)16

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-20	43.2500	43.6000	43.0000	43.0000	+5.911%	16	323	0.000%
2026-07-17	39.0000	40.6000	39.0000	40.6000	-2.871%	4	324	+5.911%
2026-07-16	41.8000	41.8000	41.8000	41.8000	-7.930%	1	321	+2.871%
2026-07-15	44.9100	45.4000	44.9100	45.4000	+4.368%	4	322	-5.286%
2026-07-13	44.1100	44.1100	43.4000	43.5000	-3.333%	5	322	-1.149%
2026-07-10	45.0000	45.0000	45.0000	45.0000	-2.386%	5	324	-4.444%
2026-07-09	44.0000	46.8300	44.0000	46.1000	+17.903%	32	324	-6.725%
2026-07-08	39.1000	39.1000	39.1000	39.1000	-2.615%	2	307	+9.974%
2026-07-07	40.1500	40.3500	40.0500	40.1500	-2.690%	18	307	+7.098%
2026-07-06	41.1000	41.6200	40.9000	41.2600	+3.279%	15	307	+4.217%
2026-07-02	39.9500	39.9500	39.9500	39.9500	-6.811%	1	306	+7.635%
2026-07-01	42.6000	42.8700	42.6000	42.8700	+8.807%	2	306	+0.303%
2026-06-26	39.4000	39.4000	39.4000	39.4000	+3.958%	2	306	+9.137%
2026-06-12	37.6900	37.9000	37.6900	37.9000	+2.571%	20	304	+13.456%
2026-06-09	38.0000	38.0000	36.9500	36.9500	-0.243%	3	304	+16.373%
2026-06-05	35.8500	37.0400	35.0000	37.0400	+0.926%	3	304	+16.091%
2026-06-04	36.7000	36.7000	36.7000	36.7000	-12.619%	1	305	+17.166%
2026-05-29	42.0000	42.0000	42.0000	42.0000	+20.000%	1	305	+2.381%
2026-05-28	35.0000	35.0000	35.0000	35.0000	+41.129%	2	305	+22.857%
2026-05-19	25.0400	25.0400	24.8000	24.8000	-7.807%	2	304	+73.387%
2026-05-18	26.9000	26.9000	26.9000	26.9000	-4.947%	1	306	+59.851%
2026-05-15	28.3000	28.3000	28.3000	28.3000	-9.959%	1	306	+51.943%
2026-05-14	31.4300	31.4300	31.4300	31.4300	+3.049%	1	306	+36.812%
2026-05-13	30.5000	30.8200	30.2200	30.5000	-12.732%	20	307	+40.984%
2026-05-11	35.2000	35.2000	34.6000	34.9500	+2.044%	4	307	+23.033%
2026-05-07	34.8000	34.8000	34.2500	34.2500	+5.514%	4	307	+25.547%
2026-05-01	31.4000	32.4600	31.4000	32.4600	-7.257%	3	310	+32.471%
2026-04-20	35.5500	35.5500	35.0000	35.0000	-14.425%	2	310	+22.857%
2026-04-14	40.9000	40.9000	40.9000	40.9000	+14.246%	2	310	+5.134%
2026-04-08	35.8000	35.8000	35.8000	35.8000	-6.135%	1	308	+20.112%
2026-04-07	38.3000	38.3000	38.1400	38.1400	-2.952%	2	309	+12.743%
2026-04-02	39.3000	39.3000	39.3000	39.3000	-6.982%	1	311	+9.415%
2026-03-26	42.7000	42.8500	42.2500	42.2500	-10.106%	8	311	+1.775%
2026-03-24	47.0000	47.0000	47.0000	47.0000	+4.213%	1	315	-8.511%
2026-03-23	45.0000	45.4000	45.0000	45.1000	+4.713%	8	315	-4.656%
2026-03-20	43.0700	43.0700	43.0700	43.0700	+5.979%	1	315	-0.163%
2026-03-18	40.6400	40.6400	40.6400	40.6400	+6.387%	10	314	+5.807%
2026-03-16	38.4000	38.5500	38.2000	38.2000	-1.799%	10	319	+12.565%
2026-03-12	40.0000	40.0000	38.9000	38.9000	-0.512%	3	318	+10.540%
2026-03-10	38.5000	39.1000	38.5000	39.1000	+0.773%	3	319	+9.974%
2026-03-09	39.9000	40.5000	38.8000	38.8000	-5.366%	19	320	+10.825%
2026-03-06	41.0000	41.0000	41.0000	41.0000	-2.381%	2	325	+4.878%
2026-03-05	41.5000	42.0000	41.4500	42.0000	+7.362%	53	326	+2.381%
2026-03-03	39.1200	39.1200	39.1200	39.1200	+1.479%	1	276	+9.918%
2026-02-17	39.1200	39.1200	38.5500	38.5500	-5.329%	2	276	+11.543%
2026-02-12	40.7200	40.7200	40.7200	40.7200	-2.233%	1	276	+5.599%
2026-02-11	41.6500	41.6500	41.6500	41.6500	-2.138%	1	277	+3.241%
2026-02-10	42.5600	42.5600	42.5600	42.5600	+1.093%	1	276	+1.034%
2026-02-05	42.1000	42.1000	42.1000	42.1000	-11.144%	10	276	+2.138%
2026-02-02	47.3800	47.3800	47.3800	47.3800	-6.271%	3	266	-9.244%
2026-01-30	49.9400	50.5500	49.9400	50.5500	+7.097%	8	266	-14.936%
2026-01-29	47.2000	47.2000	47.2000	47.2000	+7.273%	5	266	-8.898%
2026-01-23	44.5300	44.5300	44.0000	44.0000	-2.827%	5	263	-2.273%
2026-01-22	44.9900	45.2900	44.9900	45.2800	-0.484%	5	266	-5.035%
2026-01-21	45.5000	45.5000	45.5000	45.5000	-3.499%	1	266	-5.495%
2026-01-20	47.7000	47.7000	47.1500	47.1500	-1.812%	2	266	-8.802%
2026-01-16	48.0200	48.0200	48.0200	48.0200	-5.843%	3	266	-10.454%
2026-01-14	51.3000	51.3000	51.0000	51.0000	-1.258%	5	266	-15.686%
2026-01-12	54.5000	54.5000	51.6500	51.6500	-4.968%	11	267	-16.747%
2026-01-09	56.1700	56.9200	54.1300	54.3500	+0.741%	27	267	-20.883%
2026-01-08	59.6000	59.6000	53.9500	53.9500	-16.808%	17	281	-20.297%
2026-01-07	64.9000	64.9000	64.8500	64.8500	+3.363%	2	292	-33.693%
2026-01-06	63.0000	63.0000	62.7400	62.7400	-6.498%	2	293	-31.463%
2026-01-05	68.8000	68.8000	67.1000	67.1000	-5.626%	3	294	-35.917%
2026-01-02	70.2000	71.1000	70.1000	71.1000	+4.790%	3	294	-39.522%
2025-12-30	70.0000	70.0000	67.8500	67.8500	-0.949%	13	292	-36.625%
2025-12-29	67.0000	68.5000	67.0000	68.5000	+3.788%	3	283	-37.226%
2025-12-24	66.0000	66.0000	66.0000	66.0000	-8.840%	2	283	-34.848%
2025-12-23	72.4000	72.4000	72.4000	72.4000	-0.138%	1	283	-40.608%
2025-12-22	72.5000	72.5000	72.5000	72.5000	-2.737%	1	283	-40.690%
2025-12-15	72.5000	74.5500	72.5000	74.5400	+8.029%	8	283	-42.313%
2025-12-12	68.7000	69.9100	68.3000	69.0000	-1.471%	162	275	-37.681%
2025-12-10	66.7000	70.0300	66.7000	70.0300	+2.533%	10	235	-38.598%
2025-12-08	66.9000	68.3000	66.9000	68.3000	+5.401%	28	228	-37.042%
2025-12-05	64.8000	64.8000	64.8000	64.8000	-2.262%	1	221	-33.642%
2025-12-04	66.0500	66.3000	66.0000	66.3000	+7.805%	6	220	-35.143%
2025-12-01	62.2500	62.2500	61.0800	61.5000	-9.559%	3	216	-30.081%
2025-11-25	68.0000	68.0000	68.0000	68.0000	-2.579%	1	217	-36.765%
2025-11-24	69.8000	69.8000	69.8000	69.8000	+1.453%	1	217	-38.395%
2025-11-21	68.8000	68.8000	68.8000	68.8000	-1.854%	1	216	-37.500%
2025-11-20	70.1000	70.1000	70.1000	70.1000	-2.368%	1	216	-38.659%
2025-11-19	72.4900	72.4900	71.8000	71.8000	+5.588%	2	215	-40.111%
2025-11-18	68.0000	68.0000	68.0000	68.0000	+8.800%	1	215	-36.765%
2025-11-17	62.5000	62.5000	62.5000	62.5000	+0.241%	1	215	-31.200%
2025-11-12	62.0000	63.3000	62.0000	62.3500	-1.610%	9	215	-31.034%
2025-11-10	63.3700	63.3700	63.3700	63.3700	+9.865%	3	218	-32.145%
2025-11-04	58.0000	58.0000	57.6800	57.6800	-4.897%	4	218	-25.451%
2025-10-31	59.7500	60.6500	59.1000	60.6500	+2.519%	7	214	-29.101%
2025-10-30	59.1600	59.1600	59.1600	59.1600	-1.972%	2	215	-27.316%
2025-10-29	60.0000	60.9900	59.5400	60.3500	+6.250%	13	216	-28.749%
2025-10-28	56.8000	56.8000	56.8000	56.8000	-1.577%	1	214	-24.296%
2025-10-27	57.7100	57.7100	57.7100	57.7100	+1.246%	2	214	-25.490%
2025-10-24	57.2000	57.2000	57.0000	57.0000	+3.000%	202	214	-24.561%
2025-10-23	55.0000	55.3400	55.0000	55.3400	-1.267%	5	42	-22.299%
2025-10-21	56.0000	56.3700	55.0800	56.0500	-2.352%	25	39	-23.283%
2025-10-20	57.4000	57.4000	57.4000	57.4000	-4.333%	1	32	-25.087%
2025-10-16	56.8000	60.0000	56.8000	60.0000	+14.460%	5	32	-28.333%
2025-10-09	53.0000	53.0000	52.4200	52.4200	-7.873%	4	27	-17.970%
2025-10-08	56.8000	56.9000	56.8000	56.9000	+4.982%	2	30	-24.429%
2025-10-07	54.2000	54.2000	54.2000	54.2000	-7.823%	1	29	-20.664%
2025-10-06	58.8000	58.8000	58.8000	58.8000	+5.188%	1	28	-26.871%
2025-10-03	55.8500	55.9000	55.8500	55.9000	-3.621%	11	27	-23.077%
2025-10-02	58.0000	58.0000	58.0000	58.0000	+1.754%	1	16	-25.862%
2025-09-29	57.0000	57.0000	57.0000	57.0000	+0.176%	5	15	-24.561%
2025-09-26	58.0000	58.0000	56.9000	56.9000	+5.370%	4	10	-24.429%
2025-09-25	51.0000	54.0000	51.0000	54.0000	+5.882%	4	6	-20.370%
2025-09-24	51.0000	51.0000	51.0000	51.0000	0.000%	2	2	-15.686%