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COST20260821P780
COST Aug 21 2026 780.00 Put (COST260821P00780000)
option OPRA

EOD

Jul 23, 2026

0.4700-9.615%(-0.0500)14

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-23	0.5100	0.5300	0.4600	0.4700	-9.615%	14	369	0.000%
2026-07-21	0.5800	0.5800	0.5200	0.5200	-7.143%	2	369	-9.615%
2026-07-20	0.5300	0.5600	0.5300	0.5600	+1.818%	3	368	-16.071%
2026-07-17	0.5500	0.5500	0.5500	0.5500	+3.774%	1	367	-14.545%
2026-07-16	0.7100	0.7100	0.5300	0.5300	-33.750%	17	368	-11.321%
2026-07-14	0.7100	0.8400	0.7100	0.8000	-15.789%	34	369	-41.250%
2026-07-13	0.8200	0.9500	0.8200	0.9500	-17.391%	21	364	-50.526%
2026-07-10	1.0100	1.1500	1.0100	1.1500	-21.769%	5	364	-59.130%
2026-07-09	1.4700	1.4700	1.4700	1.4700	+93.421%	1	367	-68.027%
2026-07-08	0.7600	0.7600	0.7600	0.7600	-42.424%	1	366	-38.158%
2026-07-01	1.3200	1.3200	1.3200	1.3200	-1.493%	1	367	-64.394%
2026-06-30	1.1200	1.3400	1.0800	1.3400	+26.415%	21	367	-64.925%
2026-06-26	1.3000	1.3000	1.0600	1.0600	-11.667%	8	360	-55.660%
2026-06-24	1.2000	1.2000	1.2000	1.2000	+36.364%	1	364	-60.833%
2026-06-23	0.9000	0.9000	0.8800	0.8800	-20.000%	3	363	-46.591%
2026-06-22	1.2500	1.3200	0.8200	1.1000	-1.786%	36	360	-57.273%
2026-06-17	1.0500	1.1500	1.0500	1.1200	+12.000%	8	337	-58.036%
2026-06-16	0.9200	1.0200	0.9200	1.0000	-33.333%	8	337	-53.000%
2026-06-05	1.5000	1.5000	1.5000	1.5000	-45.652%	1	333	-68.667%
2026-06-02	2.7600	2.7600	2.7600	2.7600	-6.122%	2	334	-82.971%
2026-06-01	2.9100	3.0500	2.9100	2.9400	+1.031%	7	334	-84.014%
2026-05-29	3.0000	3.0400	2.7300	2.9100	+32.877%	32	330	-83.849%
2026-05-28	2.3100	2.3600	2.1000	2.1900	+29.586%	32	299	-78.539%
2026-05-21	1.6900	1.6900	1.6900	1.6900	+27.068%	2	300	-72.189%
2026-05-20	1.3300	1.3300	1.3300	1.3300	-19.394%	1	298	-64.662%
2026-05-18	1.6500	1.6500	1.6500	1.6500	-26.009%	1	296	-71.515%
2026-05-15	1.9700	2.3000	1.9700	2.2300	-25.914%	18	296	-78.924%
2026-05-06	2.9100	3.0100	2.8400	3.0100	+11.070%	9	297	-84.385%
2026-05-01	2.7100	2.7100	2.7100	2.7100	-10.561%	4	300	-82.657%
2026-04-30	2.9500	3.0300	2.9500	3.0300	-10.882%	2	300	-84.488%
2026-04-22	3.4000	3.4000	3.4000	3.4000	-21.839%	4	300	-86.176%
2026-04-20	4.3500	4.3500	4.3500	4.3500	-19.444%	1	296	-89.195%
2026-04-07	5.4000	5.4000	5.4000	5.4000	-0.369%	1	296	-91.296%
2026-04-06	5.4200	5.4200	5.4200	5.4200	-31.392%	1	295	-91.328%
2026-03-20	7.9000	7.9000	7.9000	7.9000	+35.043%	1	295	-94.051%
2026-03-17	5.9500	5.9500	5.4500	5.8500	-12.687%	80	294	-91.966%
2026-03-13	6.2200	6.7000	6.0100	6.7000	-15.617%	47	247	-92.985%
2026-03-06	8.0500	8.0500	7.9400	7.9400	-12.747%	3	241	-94.081%
2026-03-05	8.4000	9.1000	8.4000	9.1000	+24.658%	2	241	-94.835%
2026-03-04	7.1500	7.3000	7.1500	7.3000	-2.013%	2	241	-93.562%
2026-03-03	7.4500	7.4500	7.4500	7.4500	-5.096%	1	241	-93.691%
2026-02-27	8.0500	8.0500	7.8500	7.8500	-5.988%	4	242	-94.013%
2026-02-26	8.3500	8.3600	8.3500	8.3500	+9.150%	21	238	-94.371%
2026-02-25	7.6500	7.6500	7.6500	7.6500	-14.525%	20	207	-93.856%
2026-02-23	8.7000	8.9500	8.7000	8.9500	-0.996%	61	207	-94.749%
2026-02-18	7.9500	9.0400	7.9500	9.0400	+8.916%	2	146	-94.801%
2026-02-13	8.0000	8.3000	8.0000	8.3000	-16.583%	13	135	-94.337%
2026-02-11	9.9500	9.9500	9.9500	9.9500	+0.811%	6	135	-95.276%
2026-02-10	9.5800	9.8700	9.5800	9.8700	+12.800%	2	133	-95.238%
2026-02-06	9.3000	9.3000	8.7500	8.7500	-5.914%	3	132	-94.629%
2026-02-05	9.3800	9.3800	9.3000	9.3000	+3.795%	11	129	-94.946%
2026-02-04	8.9600	8.9600	8.9600	8.9600	-8.197%	1	125	-94.754%
2026-02-03	9.7600	9.7600	9.7600	9.7600	-11.674%	1	125	-95.184%
2026-02-02	11.0500	11.0500	11.0500	11.0500	-6.751%	1	124	-95.747%
2026-01-30	12.5000	12.5000	11.8500	11.8500	+18.382%	2	125	-96.034%
2026-01-28	10.0100	10.0100	10.0100	10.0100	+0.100%	1	123	-95.305%
2026-01-27	9.5000	10.0000	9.5000	10.0000	-6.977%	2	123	-95.300%
2026-01-22	10.7500	10.7500	10.7500	10.7500	-24.028%	2	123	-95.628%
2026-01-12	14.4500	14.4500	14.1500	14.1500	-12.384%	10	121	-96.678%
2026-01-08	16.1500	16.1500	16.1500	16.1500	-30.238%	1	121	-97.090%
2026-01-05	23.1500	23.1500	23.1500	23.1500	-16.123%	1	120	-97.970%
2025-12-19	28.3000	29.1500	27.6000	27.6000	-8.306%	7	120	-98.297%
2025-12-15	25.8000	30.1000	25.8000	30.1000	+16.261%	9	118	-98.439%
2025-12-12	25.8900	25.8900	25.8900	25.8900	-0.805%	3	109	-98.185%
2025-12-08	25.5000	26.1000	25.5000	26.1000	-6.786%	102	108	-98.199%
2025-11-18	28.0000	28.0000	28.0000	28.0000	+11.288%	1	10	-98.321%
2025-11-10	25.1600	25.1600	25.1600	25.1600	+17.570%	1	11	-98.132%
2025-11-04	21.4000	21.4000	21.4000	21.4000	-11.203%	2	12	-97.804%
2025-10-29	22.2000	24.1000	22.2000	24.1000	+16.707%	2	12	-98.050%
2025-10-10	20.6500	20.6500	20.6500	20.6500	+1.975%	3	11	-97.724%
2025-10-09	20.2500	20.2500	20.2500	20.2500	-14.376%	2	11	-97.679%
2025-10-08	23.6500	23.6500	23.6500	23.6500	-4.982%	2	12	-98.013%
2025-10-06	25.0100	25.0100	24.8900	24.8900	+13.653%	2	12	-98.112%
2025-09-30	23.0000	23.0000	21.9000	21.9000	-4.575%	6	14	-97.854%
2025-09-25	22.9000	22.9500	22.9000	22.9500	+11.300%	2	10	-97.952%
2025-09-18	20.6200	20.6200	20.6200	20.6200	+10.860%	1	10	-97.721%
2025-09-12	18.6000	18.6000	18.6000	18.6000	-6.061%	1	10	-97.473%
2025-09-10	19.8000	19.8000	19.8000	19.8000	-11.211%	1	11	-97.626%
2025-08-29	22.3000	22.3000	22.3000	22.3000	+1.364%	9	1	-97.892%
2025-08-25	22.0000	22.0000	22.0000	22.0000	+23.596%	1	1	-97.864%
2025-08-12	17.6500	17.8000	17.6500	17.8000	0.000%	2	1	-97.360%