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MRK20261218P80
MRK Dec 18 2026 80.00 Put (MRK261218P00080000)
option OPRA

EOD

Sep 3, 2026

0.0600-53.846%(-0.0700)5

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-03	0.0600	0.0600	0.0600	0.0600	-53.846%	5	841	0.000%
2026-09-01	0.1300	0.1300	0.1300	0.1300	0.000%	2	846	-53.846%
2026-08-20	0.1300	0.1300	0.1300	0.1300	0.000%	1	848	-53.846%
2026-08-19	0.1300	0.1300	0.1300	0.1300	-23.529%	1	848	-53.846%
2026-08-18	0.1700	0.1700	0.1700	0.1700	-34.615%	4	849	-64.706%
2026-08-17	0.2600	0.2600	0.2600	0.2600	+44.444%	84	853	-76.923%
2026-08-14	0.2000	0.2000	0.1800	0.1800	+12.500%	15	853	-66.667%
2026-08-13	0.1800	0.1800	0.1600	0.1600	-30.435%	26	868	-62.500%
2026-08-12	0.2400	0.2400	0.1900	0.2300	-17.857%	9	893	-73.913%
2026-08-11	0.2600	0.2800	0.2600	0.2800	+7.692%	6	895	-78.571%
2026-08-10	0.2700	0.2800	0.2600	0.2600	-10.345%	9	895	-76.923%
2026-08-07	0.2900	0.2900	0.2900	0.2900	-12.121%	5	897	-79.310%
2026-08-06	0.2900	0.3300	0.2800	0.3300	+13.793%	7	902	-81.818%
2026-08-05	0.3000	0.3200	0.2900	0.2900	-21.622%	23	909	-79.310%
2026-08-04	0.3500	0.3700	0.3400	0.3700	-9.756%	5	899	-83.784%
2026-07-30	0.4100	0.4100	0.4100	0.4100	+17.143%	1	904	-85.366%
2026-07-28	0.3500	0.3500	0.3500	0.3500	+9.375%	1	905	-82.857%
2026-07-17	0.3200	0.3200	0.3200	0.3200	-27.273%	4	905	-81.250%
2026-07-16	0.4400	0.4400	0.4400	0.4400	-21.429%	1	907	-86.364%
2026-07-13	0.5600	0.5600	0.5600	0.5600	-6.667%	10	908	-89.286%
2026-07-10	0.5200	0.6000	0.5200	0.6000	+13.208%	4	898	-90.000%
2026-07-09	0.5300	0.5300	0.5300	0.5300	+35.897%	2	895	-88.679%
2026-07-01	0.3900	0.3900	0.3900	0.3900	-11.364%	1	894	-84.615%
2026-06-29	0.4900	0.4900	0.4400	0.4400	-21.429%	2	894	-86.364%
2026-06-26	0.5600	0.5600	0.5600	0.5600	-15.152%	1	896	-89.286%
2026-06-25	0.6300	0.7000	0.6300	0.6600	-15.385%	3	896	-90.909%
2026-06-24	0.7800	0.7800	0.7800	0.7800	-1.266%	1	898	-92.308%
2026-06-23	0.7900	0.7900	0.7900	0.7900	-26.168%	4	897	-92.405%
2026-06-22	1.1300	1.1300	1.0400	1.0700	+7.000%	102	899	-94.393%
2026-06-15	1.0000	1.0000	1.0000	1.0000	-3.846%	10	877	-94.000%
2026-06-10	1.0400	1.0400	1.0400	1.0400	+26.829%	1	867	-94.231%
2026-06-05	0.8200	0.8200	0.8200	0.8200	-27.434%	1	868	-92.683%
2026-06-02	1.1300	1.1300	1.1300	1.1300	+1.802%	3	869	-94.690%
2026-06-01	1.1100	1.1100	1.1100	1.1100	+11.000%	1	869	-94.595%
2026-05-29	0.9200	1.0000	0.9000	1.0000	+12.360%	3	868	-94.000%
2026-05-27	0.8900	0.8900	0.8900	0.8900	-19.091%	4	867	-93.258%
2026-05-26	1.1000	1.1000	1.1000	1.1000	+19.565%	1	867	-94.545%
2026-05-22	0.9900	0.9900	0.9200	0.9200	-30.827%	5	867	-93.478%
2026-05-19	1.3000	1.4700	1.2800	1.3300	+13.675%	23	872	-95.489%
2026-05-18	1.1700	1.1700	1.1700	1.1700	-30.769%	2	868	-94.872%
2026-05-14	1.4600	1.7900	1.3600	1.6900	+11.921%	15	868	-96.450%
2026-05-13	1.4400	1.5600	1.4400	1.5100	-2.581%	17	854	-96.026%
2026-05-07	1.6500	1.7500	1.5500	1.5500	+0.649%	52	854	-96.129%
2026-05-06	1.5400	1.5400	1.5400	1.5400	+4.054%	2	854	-96.104%
2026-05-05	1.4800	1.4800	1.4800	1.4800	-25.253%	10	854	-95.946%
2026-04-30	1.9700	1.9800	1.5800	1.9800	+1.020%	5	864	-96.970%
2026-04-29	2.0500	2.0500	1.9600	1.9600	-2.000%	2	861	-96.939%
2026-04-28	2.0000	2.0000	2.0000	2.0000	+42.857%	5	860	-97.000%
2026-04-20	1.3900	1.4000	1.3900	1.4000	-7.895%	12	855	-95.714%
2026-04-15	1.5200	1.5200	1.5200	1.5200	-23.232%	1	843	-96.053%
2026-04-07	1.9800	1.9800	1.9800	1.9800	+12.500%	2	842	-96.970%
2026-04-01	1.6900	1.7600	1.6900	1.7600	-7.853%	4	840	-96.591%
2026-03-31	1.9200	1.9200	1.8900	1.9100	+3.243%	5	841	-96.859%
2026-03-27	1.9500	1.9500	1.8500	1.8500	0.000%	6	843	-96.757%
2026-03-26	1.7500	1.8500	1.7500	1.8500	-15.909%	5	842	-96.757%
2026-03-23	2.2000	2.2000	2.2000	2.2000	+5.769%	1	839	-97.273%
2026-03-17	2.0800	2.0800	2.0800	2.0800	+18.182%	1	839	-97.115%
2026-03-04	1.7600	1.7600	1.7600	1.7600	0.000%	76	838	-96.591%
2026-03-02	1.7500	1.7600	1.7200	1.7600	+17.333%	3	842	-96.591%
2026-02-13	1.5000	1.5000	1.5000	1.5000	-12.791%	10	833	-96.000%
2026-02-11	1.7200	1.7200	1.7200	1.7200	-4.972%	1	833	-96.512%
2026-02-09	1.8100	1.8100	1.8100	1.8100	+16.774%	1	833	-96.685%
2026-02-06	1.5500	1.5500	1.5500	1.5500	-7.186%	1	832	-96.129%
2026-02-03	1.7500	1.7500	1.4500	1.6700	-9.239%	4	833	-96.407%
2026-02-02	1.9000	1.9000	1.8400	1.8400	-15.982%	26	831	-96.739%
2026-01-27	2.1900	2.1900	2.1900	2.1900	-0.455%	1	853	-97.260%
2026-01-23	2.2000	2.2000	2.2000	2.2000	+13.402%	5	853	-97.273%
2026-01-22	2.0800	2.0800	1.9400	1.9400	-6.280%	32	848	-96.907%
2026-01-21	2.0400	2.0700	2.0400	2.0700	-6.757%	19	819	-97.101%
2026-01-16	2.2200	2.2200	2.2200	2.2200	+11.000%	1	801	-97.297%
2026-01-15	2.0500	2.0600	2.0000	2.0000	-4.306%	4	801	-97.000%
2026-01-09	2.0900	2.0900	2.0900	2.0900	-1.415%	1	801	-97.129%
2026-01-08	2.1200	2.1200	2.1200	2.1200	-8.621%	1	801	-97.170%
2026-01-07	2.1400	2.3200	2.1400	2.3200	+2.203%	94	802	-97.414%
2026-01-06	2.6600	2.6600	2.0000	2.2700	-5.021%	4	887	-97.357%
2026-01-05	2.3900	2.3900	2.3900	2.3900	-7.364%	4	887	-97.490%
2026-01-02	2.5700	2.5800	2.5700	2.5800	+1.575%	5	887	-97.674%
2025-12-30	2.5700	2.5700	2.5400	2.5400	+3.673%	12	887	-97.638%
2025-12-29	2.5900	2.5900	2.4500	2.4500	-22.222%	2	893	-97.551%
2025-12-19	3.1500	3.1500	3.1500	3.1500	-8.696%	10	893	-98.095%
2025-12-18	3.5000	3.5000	3.4500	3.4500	-2.817%	2	888	-98.261%
2025-12-17	3.5500	3.5500	3.5500	3.5500	-5.333%	1	889	-98.310%
2025-12-16	3.4800	3.7500	3.4800	3.7500	+11.940%	2	889	-98.400%
2025-12-15	3.5000	3.5000	3.3500	3.3500	-18.293%	13	889	-98.209%
2025-12-10	4.0100	4.1000	4.0100	4.1000	-1.205%	2	892	-98.537%
2025-12-09	4.0000	4.1500	4.0000	4.1500	+14.011%	2	893	-98.554%
2025-12-08	3.7500	3.7500	3.6400	3.6400	+5.507%	473	891	-98.352%
2025-12-05	3.5000	3.5000	3.4500	3.4500	+11.650%	2	543	-98.261%
2025-12-04	3.0900	3.0900	3.0900	3.0900	-0.323%	1	543	-98.058%
2025-12-01	3.1000	3.1000	3.1000	3.1000	-6.061%	25	542	-98.065%
2025-11-26	3.3000	3.3000	3.3000	3.3000	0.000%	1	518	-98.182%
2025-11-25	3.4000	3.4000	3.3000	3.3000	-7.042%	11	518	-98.182%
2025-11-24	3.8500	3.8500	3.5500	3.5500	-21.111%	6	532	-98.310%
2025-11-21	4.6500	5.5000	4.0500	4.5000	-10.000%	16	531	-98.667%
2025-11-20	4.7500	5.0500	4.7500	5.0000	+0.806%	7	533	-98.800%
2025-11-19	4.8300	4.9600	4.6500	4.9600	+5.532%	17	529	-98.790%
2025-11-18	4.6000	4.9500	4.6000	4.7000	-7.843%	8	526	-98.723%
2025-11-17	5.0500	5.2000	5.0000	5.1000	+2.000%	20	526	-98.824%
2025-11-14	5.2000	5.3000	4.9500	5.0000	-3.846%	12	515	-98.800%
2025-11-13	5.5000	5.5000	5.0000	5.2000	-24.088%	15	520	-98.846%
2025-11-10	6.3500	6.8500	6.3500	6.8500	+2.545%	9	524	-99.124%
2025-10-29	6.6800	6.6800	6.6800	6.6800	+4.375%	8	524	-99.102%
2025-10-28	6.4000	6.4000	6.4000	6.4000	+0.946%	5	529	-99.063%
2025-10-27	6.3400	6.3400	6.3400	6.3400	-3.206%	1	525	-99.054%
2025-10-22	6.5500	6.5500	6.5500	6.5500	-14.042%	2	525	-99.084%
2025-10-17	8.2000	8.2000	7.6200	7.6200	+1.600%	2	524	-99.213%
2025-10-16	7.5000	7.5000	7.5000	7.5000	-1.832%	1	524	-99.200%
2025-10-14	7.6400	7.6400	7.6400	7.6400	+11.533%	3	523	-99.215%
2025-10-07	6.7000	6.9000	6.7000	6.8500	+18.924%	21	522	-99.124%
2025-10-06	5.7600	5.7600	5.7600	5.7600	-4.793%	1	522	-98.958%
2025-10-03	6.2000	6.2000	6.0500	6.0500	+1.852%	24	523	-99.008%
2025-10-01	5.8200	5.9400	5.8200	5.9400	-25.935%	4	524	-98.990%
2025-09-30	8.6000	8.6000	8.0200	8.0200	-20.199%	5	522	-99.252%
2025-09-29	10.0500	10.0500	10.0500	10.0500	+0.199%	1	521	-99.403%
2025-09-26	10.0300	10.0300	10.0300	10.0300	+4.479%	2	520	-99.402%
2025-09-24	9.6000	9.6000	9.6000	9.6000	+6.077%	1	520	-99.375%
2025-09-19	8.9500	9.0500	8.9500	9.0500	-1.737%	2	519	-99.337%
2025-09-18	9.2100	9.2100	9.2100	9.2100	+0.436%	3	519	-99.349%
2025-09-16	9.1700	9.1700	9.1700	9.1700	+1.103%	1	522	-99.346%
2025-09-15	9.1500	9.1500	9.0700	9.0700	+8.493%	4	521	-99.338%
2025-08-29	8.5300	8.5300	8.3600	8.3600	0.000%	5	518	-99.282%
2025-08-28	8.3600	8.3600	8.3600	8.3600	+5.823%	1	518	-99.282%
2025-08-26	7.8800	7.9000	7.8800	7.9000	+4.636%	2	518	-99.241%
2025-08-25	7.5500	7.5500	7.5500	7.5500	+3.709%	1	517	-99.205%
2025-08-22	7.2800	7.2800	7.2800	7.2800	-6.667%	1	517	-99.176%
2025-08-19	7.7000	7.8000	7.7000	7.8000	-17.460%	2	516	-99.231%
2025-07-31	9.4500	9.4500	9.4500	9.4500	+6.780%	5	516	-99.365%
2025-07-29	9.6200	9.6200	8.8500	8.8500	+4.734%	14	521	-99.322%
2025-07-28	8.4000	8.4500	8.4000	8.4500	-6.111%	47	517	-99.290%
2025-07-23	8.9000	9.0000	8.8500	9.0000	-9.091%	48	470	-99.333%
2025-07-22	10.7000	10.7000	9.9000	9.9000	-7.303%	2	422	-99.394%
2025-07-21	10.6800	10.6800	10.6800	10.6800	+6.800%	3	421	-99.438%
2025-07-18	10.0000	10.0000	10.0000	10.0000	+11.732%	1	421	-99.400%
2025-07-14	8.9500	8.9500	8.9500	8.9500	+0.562%	1	420	-99.330%
2025-07-10	8.9000	8.9000	8.9000	8.9000	-14.010%	16	421	-99.326%
2025-07-07	10.3500	10.3500	10.3500	10.3500	+0.291%	1	437	-99.420%
2025-07-01	10.2000	10.3200	10.2000	10.3200	-9.869%	2	436	-99.419%
2025-06-30	11.4000	11.4500	11.4000	11.4500	+0.439%	2	434	-99.476%
2025-06-26	11.3500	11.5000	11.3500	11.4000	-0.610%	18	434	-99.474%
2025-06-24	11.4700	11.4700	11.4700	11.4700	-1.121%	1	422	-99.477%
2025-06-13	11.6000	11.6000	11.6000	11.6000	-6.827%	2	423	-99.483%
2025-06-09	12.4000	12.4500	12.4000	12.4500	+2.638%	11	424	-99.518%
2025-06-06	12.3500	12.3800	12.1300	12.1300	-10.148%	48	417	-99.505%
2025-06-03	13.5000	13.5000	13.5000	13.5000	-0.735%	2	397	-99.556%
2025-05-30	13.6000	13.6000	13.4500	13.6000	+1.341%	48	399	-99.559%
2025-05-23	13.4200	13.4200	13.4200	13.4200	+4.436%	6	394	-99.553%
2025-05-13	12.8500	12.8500	12.8500	12.8500	+13.116%	3	394	-99.533%
2025-05-12	12.2500	12.2500	11.3600	11.3600	-11.458%	3	391	-99.472%
2025-05-09	12.8300	12.8300	12.8300	12.8300	+19.349%	2	390	-99.532%
2025-05-01	10.7500	10.7500	10.7500	10.7500	-15.354%	2	389	-99.442%
2025-04-25	12.7000	12.7000	12.7000	12.7000	+4.785%	2	387	-99.528%
2025-04-24	12.1200	12.1200	12.1200	12.1200	-0.247%	5	386	-99.505%
2025-04-23	12.1500	12.1500	12.1500	12.1500	-6.897%	1	381	-99.506%
2025-04-16	13.1500	13.1500	12.9500	13.0500	+2.514%	11	380	-99.540%
2025-04-15	12.8500	12.8500	12.7300	12.7300	-2.302%	2	373	-99.529%
2025-04-11	13.0300	13.0300	13.0300	13.0300	-3.481%	2	374	-99.540%
2025-04-10	14.0000	14.0000	13.5000	13.5000	-5.063%	15	373	-99.556%
2025-04-09	14.2200	14.2200	14.2200	14.2200	+20.508%	3	358	-99.578%
2025-04-07	13.3500	13.3500	11.8000	11.8000	+17.882%	10	361	-99.492%
2025-04-04	10.0000	10.0100	10.0000	10.0100	+69.661%	8	363	-99.401%
2025-03-18	5.6600	5.9000	5.6600	5.9000	-9.924%	2	359	-98.983%
2025-03-12	6.5500	6.5500	6.5500	6.5500	+3.150%	1	359	-99.084%
2025-03-11	6.3200	6.3500	6.3200	6.3500	-4.940%	30	358	-99.055%
2025-03-03	6.6800	6.6800	6.6800	6.6800	-3.468%	1	328	-99.102%
2025-02-28	6.9200	6.9200	6.9200	6.9200	-0.432%	2	329	-99.133%
2025-02-24	6.7800	6.9500	6.7800	6.9500	-27.604%	2	328	-99.137%
2025-02-18	9.6000	9.6000	9.6000	9.6000	+12.941%	4	328	-99.375%
2025-02-13	8.5000	8.5000	8.5000	8.5000	+21.429%	1	323	-99.294%
2025-02-04	7.4800	7.4800	6.6500	7.0000	+38.614%	8	323	-99.143%
2024-12-30	5.0500	5.0500	5.0500	5.0500	+1.000%	1	316	-98.812%
2024-12-20	5.0000	5.0000	5.0000	5.0000	-6.542%	5	315	-98.800%
2024-11-15	5.3500	5.3500	5.3500	5.3500	+10.309%	10	310	-98.879%
2024-11-13	4.8500	4.8500	4.8500	4.8500	+4.301%	1	305	-98.763%
2024-11-12	4.6500	4.6500	4.6500	4.6500	+10.714%	84	304	-98.710%
2024-10-30	4.2000	4.2000	4.2000	4.2000	0.000%	29	220	-98.571%
2024-10-24	4.2000	4.2000	4.2000	4.2000	+5.000%	1	191	-98.571%
2024-10-22	4.0000	4.0000	4.0000	4.0000	+21.581%	1	191	-98.500%
2024-08-16	3.2900	3.2900	3.2900	3.2900	-1.791%	2	190	-98.176%
2024-08-13	3.3500	3.3500	3.3500	3.3500	-4.286%	1	189	-98.209%
2024-08-05	3.5000	3.5000	3.5000	3.5000	+20.690%	1	188	-98.286%
2024-07-31	2.9000	2.9000	2.9000	2.9000	+4.693%	1	187	-97.931%
2024-07-30	2.4000	2.7700	2.4000	2.7700	+42.051%	2	186	-97.834%
2024-07-23	1.9500	1.9500	1.9500	1.9500	+21.875%	180	184	-96.923%
2024-07-01	1.6000	1.6000	1.6000	1.6000	-17.949%	1	4	-96.250%
2024-05-20	1.9500	1.9500	1.9500	1.9500	-13.333%	2	3	-96.923%
2024-04-23	2.2500	2.2500	2.2500	2.2500	0.000%	1	1	-97.333%