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MRK20280121P100
MRK Jan 21 2028 100.00 Put (MRK280121P00100000)
option OPRA

EOD

Jul 20, 2026

6.55-18.634%(-1.50)1

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-20	6.5500	6.5500	6.5500	6.5500	-18.634%	1	1,278	0.000%
2026-07-14	7.9500	8.0500	7.9500	8.0500	+18.382%	11	1,278	-18.634%
2026-07-08	6.8000	6.8000	6.8000	6.8000	-7.483%	2	1,278	-3.676%
2026-07-01	7.3000	7.3500	7.3000	7.3500	+17.038%	110	1,278	-10.884%
2026-06-30	6.2000	6.2800	6.2000	6.2800	-3.385%	2	1,196	+4.299%
2026-06-26	6.5000	6.5000	6.5000	6.5000	-7.143%	4	1,197	+0.769%
2026-06-25	7.5800	7.5800	7.0000	7.0000	-11.392%	7	1,197	-6.429%
2026-06-24	7.9000	7.9000	7.9000	7.9000	-19.959%	1	1,199	-17.089%
2026-06-18	10.0000	10.0000	9.8700	9.8700	+1.231%	2	1,199	-33.637%
2026-06-03	9.7500	9.7500	9.7500	9.7500	0.000%	10	1,199	-32.821%
2026-06-01	9.7000	9.7500	9.7000	9.7500	+8.333%	40	1,189	-32.821%
2026-05-27	8.9500	9.0000	8.9500	9.0000	0.000%	2	1,213	-27.222%
2026-05-26	8.9500	9.0000	8.9500	9.0000	-18.919%	66	1,215	-27.222%
2026-05-19	11.1000	11.1000	11.1000	11.1000	+8.293%	1	1,216	-40.991%
2026-05-15	10.2500	10.2500	10.2500	10.2500	-0.485%	1	1,217	-36.098%
2026-05-14	10.3000	10.3000	10.3000	10.3000	-2.091%	10	1,216	-36.408%
2026-05-12	10.3500	10.5200	10.3500	10.5200	+0.766%	2	1,206	-37.738%
2026-05-11	10.4400	10.4400	10.4400	10.4400	+3.571%	40	1,206	-37.261%
2026-05-06	10.0800	10.0800	10.0800	10.0800	-11.189%	1	1,166	-35.020%
2026-04-24	11.6000	11.6000	11.3500	11.3500	+4.801%	2	1,165	-42.291%
2026-04-21	10.8300	10.8300	10.8300	10.8300	+15.829%	2	1,164	-39.520%
2026-04-20	9.3500	9.3500	9.3500	9.3500	-3.309%	1	1,164	-29.947%
2026-04-15	9.5000	9.6700	9.5000	9.6700	+4.315%	41	1,164	-32.265%
2026-04-14	9.2700	9.2700	9.2700	9.2700	-2.421%	40	1,204	-29.342%
2026-04-08	9.5000	9.5000	9.5000	9.5000	0.000%	1	1,244	-31.053%
2026-04-06	9.5000	9.5500	9.5000	9.5000	-1.042%	3	1,244	-31.053%
2026-04-02	9.6000	9.6000	9.6000	9.6000	+1.587%	1	1,241	-31.771%
2026-04-01	9.4500	9.4500	9.4500	9.4500	-5.500%	1	1,241	-30.688%
2026-03-30	9.2500	10.0000	9.2500	10.0000	+4.167%	2	1,241	-34.500%
2026-03-27	9.6000	9.6000	9.6000	9.6000	+2.128%	1	1,239	-31.771%
2026-03-26	9.4000	9.4000	9.4000	9.4000	-16.667%	2	1,240	-30.319%
2026-03-19	10.6000	11.2800	10.6000	11.2800	+6.616%	428	1,241	-41.933%
2026-03-18	11.0300	11.0300	10.5800	10.5800	+6.869%	601	843	-38.091%
2026-03-17	9.9000	9.9000	9.9000	9.9000	-7.129%	2	243	-33.838%
2026-03-05	10.6600	10.6600	10.6600	10.6600	+6.070%	1	243	-38.555%
2026-03-04	10.0500	10.0500	10.0500	10.0500	+6.688%	1	243	-34.826%
2026-03-03	9.4200	9.4200	9.4200	9.4200	+2.614%	2	242	-30.467%
2026-03-02	9.2000	9.5000	9.1800	9.1800	-6.802%	3	240	-28.649%
2026-02-26	9.8500	9.8500	9.8500	9.8500	+11.932%	3	241	-33.503%
2026-02-25	8.8000	8.8000	8.8000	8.8000	-2.222%	1	239	-25.568%
2026-02-23	9.2000	9.3200	9.0000	9.0000	-3.017%	3	239	-27.222%
2026-02-20	9.2800	9.2800	9.2800	9.2800	-0.855%	40	238	-29.418%
2026-02-19	9.3500	9.3600	9.3500	9.3600	-0.952%	40	198	-30.021%
2026-02-18	9.4500	9.4500	9.4500	9.4500	+2.717%	1	198	-30.688%
2026-02-17	9.2200	9.3500	9.2000	9.2000	+3.487%	3	197	-28.804%
2026-02-13	8.8900	8.8900	8.8900	8.8900	-9.100%	10	201	-26.322%
2026-02-12	9.7800	9.7800	9.7800	9.7800	-3.168%	1	201	-33.027%
2026-02-09	10.1000	10.1000	10.1000	10.1000	+9.189%	2	201	-35.149%
2026-02-06	9.2500	9.2500	9.2500	9.2500	+3.352%	8	199	-29.189%
2026-02-05	8.9500	8.9500	8.9500	8.9500	+4.070%	5	199	-26.816%
2026-02-04	9.1000	9.1000	8.6000	8.6000	-12.245%	3	204	-23.837%
2026-02-03	9.8000	9.8000	9.8000	9.8000	-9.677%	1	205	-33.163%
2026-02-02	11.0900	11.0900	10.8500	10.8500	-7.106%	3	205	-39.631%
2026-01-30	11.7000	11.7000	11.6800	11.6800	-1.351%	4	204	-43.921%
2026-01-29	11.8400	11.8400	11.8400	11.8400	+0.169%	1	204	-44.679%
2026-01-28	11.8200	11.8200	11.8200	11.8200	+7.260%	1	204	-44.585%
2026-01-22	11.0200	11.0200	11.0200	11.0200	-0.271%	1	205	-40.563%
2026-01-21	11.0000	11.0500	11.0000	11.0500	-4.329%	2	206	-40.724%
2026-01-20	11.5500	11.5500	11.5500	11.5500	+3.217%	10	205	-43.290%
2026-01-16	11.1900	11.1900	11.1900	11.1900	-0.533%	1	194	-41.466%
2026-01-15	11.2500	11.2500	11.2500	11.2500	+4.651%	18	194	-41.778%
2026-01-14	10.7500	10.7500	10.7500	10.7500	-6.522%	1	194	-39.070%
2026-01-13	11.5000	11.5000	11.5000	11.5000	+5.023%	1	194	-43.043%
2026-01-12	11.0000	11.0000	10.9500	10.9500	+3.107%	11	193	-40.183%
2026-01-08	10.4900	10.6200	10.4900	10.6200	-7.249%	3	187	-38.324%
2026-01-07	11.0000	11.4500	11.0000	11.4500	+0.881%	2	184	-42.795%
2026-01-06	11.6900	11.6900	11.2700	11.3500	-6.967%	74	184	-42.291%
2026-01-05	11.9100	12.2000	11.9100	12.2000	0.000%	4	206	-46.311%
2026-01-02	12.0000	12.2000	12.0000	12.2000	-2.866%	73	206	-46.311%
2025-12-31	12.3200	12.5600	12.3200	12.5600	+2.531%	20	113	-47.850%
2025-12-30	12.2500	12.2500	12.2500	12.2500	+2.510%	1	113	-46.531%
2025-12-29	11.9500	11.9500	11.9500	11.9500	-2.049%	6	112	-45.188%
2025-12-26	12.3200	12.4000	12.2000	12.2000	-5.058%	20	118	-46.311%
2025-12-23	12.8500	12.8500	12.8500	12.8500	+2.800%	4	118	-49.027%
2025-12-22	12.9700	13.0200	12.5000	12.5000	-12.892%	14	118	-47.600%
2025-12-18	14.3500	14.3500	14.3500	14.3500	-6.086%	3	117	-54.355%
2025-12-16	15.2800	15.2800	15.2800	15.2800	+2.482%	8	114	-57.134%
2025-12-12	14.9100	14.9100	14.9100	14.9100	+2.828%	5	106	-56.070%
2025-12-08	14.7500	14.7500	14.5000	14.5000	+1.045%	12	111	-54.828%
2025-12-04	14.1000	14.4000	14.1000	14.3500	+4.668%	9	101	-54.355%
2025-12-03	13.6600	13.7100	13.6600	13.7100	-3.789%	2	92	-52.225%
2025-12-02	14.4000	14.4000	14.2500	14.2500	+1.786%	12	90	-54.035%
2025-12-01	14.0000	14.0000	14.0000	14.0000	+6.464%	2	78	-53.214%
2025-11-26	13.4300	13.4300	13.1300	13.1500	+1.388%	12	68	-50.190%
2025-11-25	13.6000	13.7000	12.9700	12.9700	-7.489%	7	68	-49.499%
2025-11-24	14.2000	14.2000	14.0200	14.0200	-6.533%	41	64	-53.281%
2025-11-21	15.5000	15.5000	15.0000	15.0000	-14.286%	4	24	-56.333%
2025-11-14	17.5000	17.5000	17.5000	17.5000	0.000%	2	23	-62.571%
2025-11-13	17.4200	17.5000	17.4200	17.5000	-2.778%	2	22	-62.571%
2025-11-12	18.0000	18.0000	18.0000	18.0000	-16.859%	5	20	-63.611%
2025-11-07	21.6500	21.6500	21.6500	21.6500	-3.348%	2	15	-69.746%
2025-10-30	22.4000	22.4000	22.4000	22.4000	+10.020%	2	17	-70.759%
2025-10-22	20.3600	20.3600	20.3600	20.3600	-8.494%	1	15	-67.829%
2025-10-15	22.2500	22.2500	22.2500	22.2500	-12.950%	1	16	-70.562%
2025-09-29	25.5600	25.5600	25.5600	25.5600	-0.390%	1	15	-74.374%
2025-09-25	25.6600	25.6600	25.6600	25.6600	+4.394%	1	15	-74.474%
2025-09-23	24.1900	24.5800	24.1900	24.5800	+6.963%	8	14	-73.352%
2025-09-19	22.9800	22.9800	22.9800	22.9800	0.000%	6	6	-71.497%