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COST20261218P820
COST Dec 18 2026 820.00 Put (COST261218P00820000)
option OPRA

EOD

Sep 10, 2026

12.66-2.615%(-0.34)12

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-10	11.8000	13.0500	11.8000	12.6600	-2.615%	12	1,445	0.000%
2026-09-09	12.0500	13.7200	11.1900	13.0000	+9.244%	25	1,444	-2.615%
2026-09-08	11.5000	12.3500	10.6000	11.9000	+19.000%	38	1,424	+6.387%
2026-09-04	10.0000	10.7500	10.0000	10.0000	+6.383%	19	1,415	+26.600%
2026-09-03	10.9000	10.9000	9.1500	9.4000	-7.843%	15	1,415	+34.681%
2026-09-02	9.2000	10.2000	9.0700	10.2000	+22.892%	11	1,410	+24.118%
2026-09-01	7.9500	8.4000	7.9500	8.3000	+3.750%	4	1,404	+52.530%
2026-08-31	8.0000	8.0000	8.0000	8.0000	+1.911%	1	1,402	+58.250%
2026-08-28	8.3500	8.3500	7.8500	7.8500	-12.778%	9	1,402	+61.274%
2026-08-27	8.3000	9.0000	8.3000	9.0000	+35.952%	9	1,400	+40.667%
2026-08-26	7.0000	7.0000	6.6200	6.6200	+1.069%	6	1,394	+91.239%
2026-08-25	6.5900	6.5900	6.5500	6.5500	-4.380%	2	1,393	+93.282%
2026-08-24	7.5000	7.5000	6.7500	6.8500	-20.992%	15	1,393	+84.818%
2026-08-21	10.2000	10.2000	8.6700	8.6700	-20.604%	18	1,393	+46.021%
2026-08-20	11.0000	11.0000	9.4000	10.9200	+55.556%	59	1,395	+15.934%
2026-08-19	7.3500	7.5000	6.3000	7.0200	-5.135%	10	1,371	+80.342%
2026-08-18	7.2300	7.4000	6.5500	7.4000	-13.953%	15	1,371	+71.081%
2026-08-17	8.5500	8.6500	8.4500	8.6000	+1.775%	10	1,358	+47.209%
2026-08-14	8.4500	8.4500	8.4500	8.4500	+5.230%	2	1,348	+49.822%
2026-08-13	8.7000	8.7000	7.9000	8.0300	-18.725%	6	1,346	+57.659%
2026-08-12	11.3500	11.3500	9.6000	9.8800	-14.087%	10	1,346	+28.138%
2026-08-11	10.5000	11.5000	10.2000	11.5000	+4.736%	86	1,340	+10.087%
2026-08-10	11.5000	11.5000	10.7500	10.9800	-4.605%	13	1,268	+15.301%
2026-08-07	11.5500	11.6000	11.5100	11.5100	+7.570%	5	1,255	+9.991%
2026-08-06	11.0000	11.0000	10.7000	10.7000	-12.653%	22	1,257	+18.318%
2026-08-05	11.0000	12.4500	11.0000	12.2500	+0.164%	3	1,277	+3.347%
2026-08-04	12.3700	12.6500	11.9000	12.2300	+4.979%	5	1,277	+3.516%
2026-08-03	11.0500	11.6500	11.0500	11.6500	-1.688%	23	1,276	+8.670%
2026-07-31	11.8500	11.8500	11.8500	11.8500	+3.947%	1	1,256	+6.835%
2026-07-30	11.2000	11.4000	11.2000	11.4000	+12.871%	11	1,256	+11.053%
2026-07-28	9.8000	10.1000	8.6000	10.1000	-25.461%	9	1,245	+25.347%
2026-07-24	15.9000	15.9000	13.5500	13.5500	-19.345%	5	1,250	-6.568%
2026-07-23	17.0500	17.0700	16.7500	16.8000	+1.757%	10	1,252	-24.643%
2026-07-22	16.5500	16.5500	16.5100	16.5100	+12.313%	19	1,245	-23.319%
2026-07-20	14.7000	14.7000	14.7000	14.7000	-9.259%	2	1,264	-13.878%
2026-07-17	14.1500	16.2000	14.1000	16.2000	+15.714%	3	1,262	-21.852%
2026-07-16	15.2500	15.3000	14.0000	14.0000	-26.316%	7	1,262	-9.571%
2026-07-15	16.9000	19.0000	16.9000	19.0000	+7.042%	22	1,258	-33.368%
2026-07-14	17.9200	18.1500	17.7500	17.7500	+5.030%	11	1,239	-28.676%
2026-07-13	18.3000	18.3000	16.8500	16.9000	-7.650%	24	1,235	-25.089%
2026-07-10	19.3500	19.3500	18.3000	18.3000	-5.670%	18	1,238	-30.820%
2026-07-09	16.8500	20.2200	16.8500	19.4000	+35.664%	32	1,226	-34.742%
2026-07-07	13.8700	14.3000	13.8700	14.3000	-0.209%	2	1,221	-11.469%
2026-07-06	14.3300	14.3300	14.3300	14.3300	-3.502%	6	1,220	-11.654%
2026-07-02	15.4500	15.4500	14.8500	14.8500	-15.864%	10	1,209	-14.747%
2026-07-01	17.6500	17.6500	17.6500	17.6500	+10.313%	1	1,209	-28.272%
2026-06-30	15.9000	16.1900	15.8500	16.0000	+13.074%	8	1,208	-20.875%
2026-06-29	14.1500	14.1500	14.1500	14.1500	-6.291%	1	1,210	-10.530%
2026-06-25	15.1000	15.1000	15.1000	15.1000	+9.104%	1	1,211	-16.159%
2026-06-24	14.0400	14.0400	13.6500	13.8400	+1.392%	7	1,210	-8.526%
2026-06-23	13.7000	13.7000	13.6500	13.6500	-8.081%	2	1,204	-7.253%
2026-06-22	14.8500	14.8500	14.8500	14.8500	-0.336%	1	1,203	-14.747%
2026-06-18	14.2000	14.9000	14.2000	14.9000	+7.971%	3	1,201	-15.034%
2026-06-17	12.3500	13.8000	12.3500	13.8000	+1.471%	4	1,201	-8.261%
2026-06-05	13.6000	13.6000	13.6000	13.6000	-22.286%	2	1,201	-6.912%
2026-06-03	17.9000	17.9000	17.5000	17.5000	-4.372%	2	1,203	-27.657%
2026-06-02	18.9500	18.9500	18.2000	18.3000	-8.955%	13	1,203	-30.820%
2026-06-01	17.8500	20.1000	17.8500	20.1000	+9.537%	9	1,206	-37.015%
2026-05-29	17.9000	19.5000	17.3100	18.3500	+26.552%	71	1,200	-31.008%
2026-05-26	13.8300	14.5000	13.3500	14.5000	+23.932%	43	1,170	-12.690%
2026-05-22	11.6000	11.7000	11.5500	11.7000	+15.727%	3	1,158	+8.205%
2026-05-21	10.1100	10.1100	10.1100	10.1100	-4.171%	1	1,157	+25.223%
2026-05-15	10.5700	10.5700	10.5200	10.5500	-29.667%	4	1,157	+20.000%
2026-05-06	15.0000	15.0000	15.0000	15.0000	+7.143%	1	1,157	-15.600%
2026-04-24	14.0000	14.0000	14.0000	14.0000	-18.605%	2	1,157	-9.571%
2026-04-16	17.6400	17.6400	17.2000	17.2000	-8.316%	3	1,159	-26.395%
2026-04-15	19.1000	19.1000	18.7600	18.7600	-1.522%	3	1,158	-32.516%
2026-04-14	19.9000	19.9000	19.0500	19.0500	+19.436%	9	1,161	-33.543%
2026-04-10	15.4700	15.9500	15.4700	15.9500	-0.313%	40	1,158	-20.627%
2026-04-08	16.0000	16.0000	16.0000	16.0000	-25.926%	1	1,158	-20.875%
2026-03-30	21.6000	21.6000	21.6000	21.6000	-8.046%	2	1,158	-41.389%
2026-03-23	23.6000	24.1000	23.4900	23.4900	+1.909%	28	1,160	-46.105%
2026-03-20	23.0500	23.0500	23.0500	23.0500	+6.221%	1	1,152	-45.076%
2026-03-19	21.7000	21.7000	21.7000	21.7000	+6.791%	2	1,153	-41.659%
2026-03-12	21.8500	21.8500	20.3200	20.3200	-3.238%	410	1,151	-37.697%
2026-03-09	21.0000	21.0000	21.0000	21.0000	-9.871%	3	771	-39.714%
2026-03-05	23.1100	23.7000	23.1100	23.3000	+13.548%	9	778	-45.665%
2026-03-03	20.5200	20.5200	20.5200	20.5200	+2.600%	20	772	-38.304%
2026-02-27	20.0000	20.0000	20.0000	20.0000	-10.112%	20	792	-36.700%
2026-02-26	21.6000	22.5000	21.6000	22.2500	+0.679%	9	812	-43.101%
2026-02-13	22.1000	22.1000	22.1000	22.1000	-7.531%	1	810	-42.715%
2026-02-10	23.9000	23.9000	23.9000	23.9000	-0.417%	1	810	-47.029%
2026-02-05	24.0000	24.0000	24.0000	24.0000	-10.615%	1	811	-47.250%
2026-01-28	25.4000	26.8500	25.1400	26.8500	+4.883%	500	812	-52.849%
2026-01-27	25.4500	25.6000	25.4500	25.6000	+9.871%	2	375	-50.547%
2026-01-26	23.5000	23.6000	23.2300	23.3000	-3.719%	22	375	-45.665%
2026-01-23	24.5000	24.5000	24.2000	24.2000	+0.624%	2	374	-47.686%
2026-01-21	25.5300	25.5300	24.0500	24.0500	-14.107%	6	373	-47.360%
2026-01-20	28.0000	28.0000	28.0000	28.0000	-2.098%	1	374	-54.786%
2026-01-16	28.7000	28.7000	28.6000	28.6000	-11.592%	2	375	-55.734%
2026-01-13	32.4100	32.4100	32.3500	32.3500	+3.190%	2	375	-60.866%
2026-01-12	33.7000	34.1500	31.2000	31.3500	-11.064%	60	374	-59.617%
2026-01-09	34.8000	35.2500	34.2500	35.2500	-4.212%	24	371	-64.085%
2026-01-08	34.1500	36.8000	34.1500	36.8000	-14.419%	9	366	-65.598%
2026-01-06	43.9300	43.9300	43.0000	43.0000	-18.095%	3	364	-70.558%
2026-01-02	51.0000	52.5000	49.9700	52.5000	+8.404%	13	366	-75.886%
2025-12-30	49.6000	49.6000	48.4300	48.4300	-1.062%	2	353	-73.859%
2025-12-29	48.9500	48.9500	48.9500	48.9500	-9.936%	1	352	-74.137%
2025-12-23	54.3500	54.3500	54.3500	54.3500	+0.499%	2	352	-76.707%
2025-12-19	54.5600	54.5600	54.0800	54.0800	-0.607%	2	354	-76.590%
2025-12-18	54.4100	54.4100	54.4100	54.4100	+1.853%	1	354	-76.732%
2025-12-17	53.4200	53.4200	53.4200	53.4200	-2.855%	8	353	-76.301%
2025-12-15	53.3000	54.9900	53.3000	54.9900	+4.345%	2	353	-76.978%
2025-12-12	52.0000	52.7000	52.0000	52.7000	+5.400%	2	351	-75.977%
2025-12-11	51.6400	51.6400	50.0000	50.0000	+6.157%	2	350	-74.680%
2025-12-10	47.1000	47.1000	47.1000	47.1000	-2.444%	2	350	-73.121%
2025-12-09	48.5000	48.5000	48.2800	48.2800	-1.469%	2	350	-73.778%
2025-12-08	48.0500	49.0000	48.0500	49.0000	+1.765%	2	350	-74.163%
2025-12-04	47.1500	48.1500	47.1500	48.1500	+15.606%	2	348	-73.707%
2025-12-03	41.2500	42.0500	41.2500	41.6500	-3.811%	6	347	-69.604%
2025-12-02	43.3000	43.3000	43.3000	43.3000	+1.524%	1	345	-70.762%
2025-12-01	44.5500	44.5500	42.2000	42.6500	-3.855%	3	345	-70.317%
2025-11-28	44.3600	44.3600	44.3600	44.3600	-12.158%	2	344	-71.461%
2025-11-25	50.5000	50.5000	50.5000	50.5000	-2.885%	1	342	-74.931%
2025-11-24	52.0000	52.0000	52.0000	52.0000	-5.899%	1	341	-75.654%
2025-11-19	55.2400	55.2600	55.2400	55.2600	+13.821%	3	339	-77.090%
2025-11-18	46.1500	48.7000	45.9000	48.5500	+10.845%	7	339	-73.924%
2025-11-17	43.8000	43.8000	43.8000	43.8000	-1.017%	1	336	-71.096%
2025-11-14	44.2500	44.2500	44.2500	44.2500	-1.448%	1	336	-71.390%
2025-11-12	44.9000	44.9000	44.9000	44.9000	-0.333%	1	336	-71.804%
2025-11-11	45.0500	45.0500	45.0500	45.0500	-0.398%	1	336	-71.898%
2025-11-10	45.7300	45.7300	45.2300	45.2300	+12.653%	14	336	-72.010%
2025-11-04	40.5000	41.3000	40.1500	40.1500	-10.778%	3	336	-68.468%
2025-10-31	45.0000	45.0000	45.0000	45.0000	+4.408%	1	337	-71.867%
2025-10-30	43.5500	43.5500	43.1000	43.1000	+13.421%	2	336	-70.626%
2025-10-24	38.0000	38.0000	38.0000	38.0000	-0.393%	1	336	-66.684%
2025-10-23	38.1500	38.1500	38.1500	38.1500	+2.115%	1	335	-66.815%
2025-10-22	37.3600	37.3600	37.3600	37.3600	-4.205%	1	334	-66.113%
2025-10-21	39.0000	39.0000	39.0000	39.0000	+9.581%	1	335	-67.538%
2025-10-15	35.5900	35.5900	35.5900	35.5900	-5.471%	1	334	-64.428%
2025-10-14	37.6000	37.6500	37.6000	37.6500	-7.037%	2	335	-66.375%
2025-10-13	41.2000	41.2000	40.5000	40.5000	+21.768%	2	335	-68.741%
2025-10-10	33.2600	33.2600	33.2600	33.2600	-15.904%	1	336	-61.936%
2025-10-09	39.5500	39.5500	39.5500	39.5500	-9.497%	6	335	-67.990%
2025-10-06	43.7000	43.7000	43.7000	43.7000	+1.275%	1	334	-71.030%
2025-10-03	43.2500	43.2500	43.1500	43.1500	-1.145%	2	334	-70.660%
2025-09-29	42.4500	43.6500	42.4500	43.6500	+15.782%	2	335	-70.997%
2025-09-24	37.7000	37.7000	37.7000	37.7000	+9.593%	1	334	-66.419%
2025-09-08	34.4000	34.4000	34.4000	34.4000	-5.753%	1	333	-63.198%
2025-09-04	36.5000	36.5000	36.5000	36.5000	-9.877%	3	333	-65.315%
2025-09-02	40.5000	40.5000	40.5000	40.5000	+6.579%	1	333	-68.741%
2025-08-27	38.0000	38.0000	38.0000	38.0000	-7.767%	5	333	-66.684%
2025-08-26	41.2000	41.2000	41.2000	41.2000	+3.414%	5	333	-69.272%
2025-08-25	39.8400	39.8400	39.8400	39.8400	+9.151%	2	333	-68.223%
2025-08-22	33.5000	36.5000	33.5000	36.5000	+14.063%	3	331	-65.315%
2025-08-11	32.0000	32.0000	32.0000	32.0000	-17.505%	5	328	-60.438%
2025-08-04	38.8000	38.8000	38.7900	38.7900	-7.643%	2	323	-67.363%
2025-07-28	41.7000	42.0000	41.7000	42.0000	+7.389%	4	323	-69.857%
2025-07-02	39.0000	39.1100	39.0000	39.1100	-2.590%	5	323	-67.630%
2025-06-25	40.1500	40.1500	40.1500	40.1500	-3.253%	3	318	-68.468%
2025-06-11	40.7300	41.5000	40.7200	41.5000	-8.389%	200	315	-69.494%
2025-05-09	45.3500	45.3500	45.3000	45.3000	+1.342%	4	115	-72.053%
2025-05-02	44.8500	44.8500	44.7000	44.7000	-28.250%	4	115	-71.678%
2025-04-08	62.3000	62.3000	62.3000	62.3000	+24.227%	2	115	-79.679%
2025-03-28	50.0500	50.1500	50.0500	50.1500	-3.558%	4	117	-74.756%
2025-03-24	51.7500	52.0000	51.7500	52.0000	-9.801%	12	117	-75.654%
2025-03-21	57.5500	57.6500	57.5500	57.6500	-4.395%	4	112	-78.040%
2025-03-19	59.9000	60.3000	59.9000	60.3000	+34.000%	2	112	-79.005%
2025-03-07	45.0000	45.0000	45.0000	45.0000	+43.084%	4	112	-71.867%
2025-02-27	31.4500	31.4500	31.4500	31.4500	-0.789%	2	110	-59.746%
2025-02-26	30.1500	31.7000	30.1500	31.7000	+5.667%	8	108	-60.063%
2025-02-24	30.0000	30.0000	30.0000	30.0000	-44.186%	5	100	-57.800%
2024-12-31	53.0000	53.7500	50.9000	53.7500	+8.258%	77	20	-76.447%
2024-12-23	49.6500	49.6500	49.6500	49.6500	+18.214%	1	20	-74.502%
2024-12-17	42.0000	42.0000	42.0000	42.0000	+3.474%	5	21	-69.857%
2024-12-16	40.5900	40.5900	40.5900	40.5900	-3.929%	1	15	-68.810%
2024-12-12	41.4500	42.2500	41.4500	42.2500	-1.858%	5	15	-70.036%
2024-12-09	43.0500	43.0500	43.0500	43.0500	0.000%	10	10	-70.592%