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COST20261218P440
COST Dec 18 2026 440.00 Put (COST261218P00440000)
option OPRA

EOD

Sep 10, 2026

0.0900+80.000%(+0.0400)1

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-10	0.0900	0.0900	0.0900	0.0900	+80.000%	1	272	0.000%
2026-09-09	0.0500	0.0500	0.0500	0.0500	-37.500%	1	273	+80.000%
2026-09-01	0.0800	0.0800	0.0800	0.0800	-20.000%	20	273	+12.500%
2026-08-28	0.1000	0.1000	0.1000	0.1000	-33.333%	3	293	-10.000%
2026-08-26	0.2000	0.2000	0.1400	0.1500	+7.143%	10	296	-40.000%
2026-08-24	0.1900	0.2000	0.1300	0.1400	-30.000%	22	294	-35.714%
2026-08-21	0.2000	0.2000	0.1300	0.2000	+33.333%	304	285	-55.000%
2026-08-20	0.2000	0.2000	0.1400	0.1500	0.000%	98	247	-40.000%
2026-08-19	0.1100	0.1500	0.1100	0.1500	+200.000%	2	247	-40.000%
2026-08-07	0.2600	0.3400	0.0500	0.0500	-75.000%	8	247	+80.000%
2026-08-06	0.2000	0.2000	0.2000	0.2000	+100.000%	28	245	-55.000%
2026-08-04	0.2800	0.2800	0.1000	0.1000	-54.545%	4	217	-10.000%
2026-07-31	0.2300	0.2500	0.1100	0.2200	-4.348%	12	219	-59.091%
2026-07-29	0.2300	0.2300	0.2300	0.2300	+155.556%	2	217	-60.870%
2026-07-28	0.2100	0.2100	0.0900	0.0900	-25.000%	4	215	0.000%
2026-07-20	0.1500	0.1500	0.1200	0.1200	-60.000%	30	213	-25.000%
2026-07-14	0.3000	0.3000	0.3000	0.3000	+36.364%	1	214	-70.000%
2026-07-13	0.4700	0.4700	0.2200	0.2200	-4.348%	32	214	-59.091%
2026-07-10	0.2000	0.2400	0.2000	0.2300	-4.167%	100	242	-60.870%
2026-07-09	0.2500	0.2700	0.2100	0.2400	-22.581%	8	174	-62.500%
2026-06-15	0.2600	0.3100	0.2600	0.3100	-3.125%	2	174	-70.968%
2026-06-11	0.3200	0.3200	0.3200	0.3200	+33.333%	10	174	-71.875%
2026-06-04	1.1700	1.1700	0.2400	0.2400	-52.000%	4	184	-62.500%
2026-05-29	0.6000	0.6000	0.5000	0.5000	0.000%	2	184	-82.000%
2026-05-13	0.5000	0.5000	0.5000	0.5000	+108.333%	1	183	-82.000%
2026-05-06	0.2400	0.2400	0.2400	0.2400	-35.135%	30	182	-62.500%
2026-05-05	0.3700	0.3700	0.3700	0.3700	-22.917%	10	152	-75.676%
2026-04-17	0.3900	0.6000	0.3000	0.4800	-18.644%	95	162	-81.250%
2026-04-06	0.5600	0.8200	0.4300	0.5900	+9.259%	29	157	-84.746%
2026-03-31	0.5400	0.5400	0.5400	0.5400	-8.475%	1	157	-83.333%
2026-03-06	0.7300	0.9400	0.4900	0.5900	+20.408%	14	160	-84.746%
2026-02-25	0.4900	0.5000	0.4900	0.4900	-32.877%	12	137	-81.633%
2026-02-20	0.7300	0.7300	0.7300	0.7300	+19.672%	1	137	-87.671%
2026-02-18	0.6600	0.6600	0.6100	0.6100	-19.737%	2	138	-85.246%
2026-02-17	0.8300	0.8500	0.7500	0.7600	-12.644%	28	138	-88.158%
2026-02-12	1.4100	1.4100	0.8700	0.8700	-4.396%	4	154	-89.655%
2026-01-29	0.9000	0.9200	0.9000	0.9100	-1.087%	10	154	-90.110%
2026-01-27	0.9200	0.9200	0.9200	0.9200	0.000%	1	144	-90.217%
2026-01-26	1.0200	1.0200	0.9200	0.9200	-20.000%	3	144	-90.217%
2026-01-20	1.1100	1.2600	1.1100	1.1500	+30.682%	32	142	-92.174%
2026-01-14	0.8800	0.8800	0.8800	0.8800	-23.478%	10	142	-89.773%
2026-01-13	1.0900	1.1500	1.0900	1.1500	+5.505%	20	132	-92.174%
2026-01-08	1.1800	1.1800	1.0900	1.0900	-25.850%	13	132	-91.743%
2026-01-07	1.4700	1.4700	1.4700	1.4700	+2.797%	20	127	-93.878%
2026-01-05	1.4300	1.4300	1.4300	1.4300	-13.855%	10	107	-93.706%
2025-12-31	1.6600	1.6600	1.6600	1.6600	+6.410%	8	99	-94.578%
2025-12-26	1.5600	1.5600	1.5600	1.5600	-10.857%	1	99	-94.231%
2025-12-15	1.7500	1.7500	1.7500	1.7500	-18.981%	10	98	-94.857%
2025-12-11	2.1600	2.1600	2.1600	2.1600	+12.500%	1	98	-95.833%
2025-12-09	1.9200	1.9200	1.9200	1.9200	+29.730%	1	98	-95.313%
2025-12-02	1.4800	1.4800	1.4800	1.4800	-20.000%	10	97	-93.919%
2025-11-18	1.8500	1.8500	1.8500	1.8500	-2.116%	10	91	-95.135%
2025-11-12	1.8900	1.8900	1.8900	1.8900	+15.244%	10	97	-95.238%
2025-11-04	1.6500	1.9300	1.6400	1.6400	-15.897%	13	97	-94.512%
2025-10-31	1.9500	1.9500	1.9500	1.9500	+26.623%	1	108	-95.385%
2025-10-24	1.5400	1.5400	1.5400	1.5400	-18.085%	1	107	-94.156%
2025-10-16	1.8800	1.8800	1.8800	1.8800	-4.082%	6	107	-95.213%
2025-10-15	1.9700	2.2000	1.9500	1.9600	+5.946%	34	105	-95.408%
2025-10-07	1.8500	1.8500	1.8500	1.8500	-7.500%	4	67	-95.135%
2025-10-01	2.0000	2.0000	2.0000	2.0000	+9.890%	2	67	-95.500%
2025-09-30	1.8200	1.8200	1.8200	1.8200	+15.924%	1	65	-95.055%
2025-09-29	1.7000	1.7000	1.5700	1.5700	-25.238%	11	64	-94.268%
2025-09-26	2.3100	2.3100	2.0000	2.1000	-38.596%	5	53	-95.714%
2025-08-25	3.4200	3.4200	3.4200	3.4200	+66.829%	2	51	-97.368%
2025-08-22	2.0500	2.0500	2.0500	2.0500	+23.494%	10	51	-95.610%
2025-08-21	1.3700	1.7600	1.3700	1.6600	+11.409%	12	56	-94.578%
2025-08-12	1.4900	1.4900	1.4900	1.4900	-20.745%	1	44	-93.960%
2025-08-11	1.8800	1.8800	1.8800	1.8800	+3.297%	1	44	-95.213%
2025-08-08	1.8200	1.8200	1.8200	1.8200	-9.000%	2	45	-95.055%
2025-08-07	1.8000	2.0000	1.8000	2.0000	-0.990%	5	45	-95.500%
2025-08-06	2.1300	2.1300	2.0200	2.0200	-58.351%	2	42	-95.545%
2025-08-01	4.8500	4.8500	4.8500	4.8500	+116.518%	1	43	-98.144%
2025-07-30	2.2400	2.2400	2.2400	2.2400	-21.678%	6	43	-95.982%
2025-06-27	2.8600	2.8600	2.8600	2.8600	+27.111%	1	37	-96.853%
2025-06-20	2.2500	2.2500	2.2500	2.2500	-1.316%	2	37	-96.000%
2025-05-30	2.2800	2.2800	2.2800	2.2800	-18.861%	2	36	-96.053%
2025-05-28	2.8100	2.8100	2.8100	2.8100	-17.595%	1	35	-96.797%
2025-05-14	3.4100	3.4100	3.4100	3.4100	+14.047%	1	34	-97.361%
2025-05-02	2.9900	2.9900	2.9900	2.9900	+30.000%	2	33	-96.990%
2025-05-01	2.3000	2.3000	2.3000	2.3000	-51.064%	10	32	-96.087%
2025-04-22	4.6500	4.7000	4.5000	4.7000	+91.837%	11	23	-98.085%
2025-04-01	2.4500	2.4500	2.4500	2.4500	+1,066.667%	11	17	-96.327%
2025-03-11	0.2100	0.2100	0.2100	0.2100	-91.954%	2	17	-57.143%
2025-03-10	2.7500	2.7500	2.6100	2.6100	+30.500%	6	17	-96.552%
2025-03-07	2.1100	2.2200	1.9000	2.0000	+19.760%	36	16	-95.500%
2025-01-23	1.9500	1.9500	1.6700	1.6700	-30.417%	3	11	-94.611%
2024-12-20	2.8000	2.8000	2.4000	2.4000	-11.111%	3	11	-96.250%
2024-12-17	2.5000	2.7000	2.0900	2.7000	-12.903%	3	10	-96.667%
2024-12-06	3.1000	3.1000	3.1000	3.1000	-19.060%	2	8	-97.097%
2024-11-25	3.8300	3.8300	3.8300	3.8300	-0.519%	1	7	-97.650%
2024-11-18	3.7000	4.0000	3.6000	3.8500	+10.000%	13	6	-97.662%
2024-11-06	3.5000	3.5000	3.5000	3.5000	0.000%	1	1	-97.429%