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MRK20261218P110
MRK Dec 18 2026 110.00 Put (MRK261218P00110000)
option OPRA

EOD

Jul 21, 2026

3.75-4.580%(-0.18)42

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	3.7000	3.8500	3.6500	3.7500	-4.580%	42	3,019	0.000%
2026-07-20	3.9300	3.9300	3.9300	3.9300	+10.704%	1	3,012	-4.580%
2026-07-17	2.9000	3.5500	2.9000	3.5500	+2.899%	171	3,011	+5.634%
2026-07-16	3.2500	3.4500	3.2500	3.4500	-20.690%	10	2,853	+8.696%
2026-07-15	4.3000	4.4500	4.2500	4.3500	-14.706%	76	2,852	-13.793%
2026-07-14	5.0400	5.2500	4.9500	5.1000	+18.605%	92	2,847	-26.471%
2026-07-13	4.4000	4.4500	4.3000	4.3000	-3.371%	12	2,771	-12.791%
2026-07-10	4.2500	4.5500	4.2500	4.4500	+3.488%	113	2,765	-15.730%
2026-07-09	4.2000	4.3000	4.2000	4.3000	+3.614%	80	2,791	-12.791%
2026-07-08	3.7000	4.2000	3.7000	4.1500	+20.290%	96	2,723	-9.639%
2026-07-07	3.5500	3.5500	3.3200	3.4500	-12.658%	67	2,677	+8.696%
2026-07-06	3.8400	4.0500	3.7400	3.9500	+12.857%	150	2,629	-5.063%
2026-07-02	3.6500	3.7000	3.5000	3.5000	-17.647%	32	2,629	+7.143%
2026-07-01	3.8500	4.2500	3.8000	4.2500	+21.429%	55	2,629	-11.765%
2026-06-30	3.7000	3.8000	3.4000	3.5000	+2.941%	59	2,584	+7.143%
2026-06-29	3.4000	3.4500	3.3500	3.4000	-8.108%	70	2,572	+10.294%
2026-06-26	3.6200	3.7000	3.5000	3.7000	-17.226%	293	2,511	+1.351%
2026-06-25	4.8300	4.8300	4.4700	4.4700	-15.660%	9	2,358	-16.107%
2026-06-24	5.3000	5.4000	5.1500	5.3000	-7.018%	69	2,361	-29.245%
2026-06-23	6.1500	6.2500	5.7000	5.7000	-22.449%	138	2,305	-34.211%
2026-06-22	7.9000	7.9500	7.0500	7.3500	-11.446%	112	2,238	-48.980%
2026-06-18	8.1000	8.3000	8.1000	8.3000	+12.925%	7	2,129	-54.819%
2026-06-17	7.3000	7.4500	6.9500	7.3500	-0.676%	65	2,129	-48.980%
2026-06-16	7.3000	7.7000	7.2500	7.4000	+0.680%	49	2,129	-49.324%
2026-06-15	7.3500	7.3500	7.0500	7.3500	+13.953%	12	2,105	-48.980%
2026-06-12	6.3000	6.4500	6.3000	6.4500	+13.158%	22	2,098	-41.860%
2026-06-11	6.1500	6.1500	5.6500	5.7000	-19.718%	40	2,080	-34.211%
2026-06-10	7.2000	7.2000	7.1000	7.1000	+5.970%	21	2,056	-47.183%
2026-06-09	6.5200	6.7500	6.5200	6.7000	-2.190%	216	2,038	-44.030%
2026-06-08	5.5000	6.8500	5.4500	6.8500	+14.167%	24	1,929	-45.255%
2026-06-05	5.7200	6.0000	5.7200	6.0000	-9.774%	18	1,913	-37.500%
2026-06-04	6.6500	7.0000	6.6000	6.6500	-16.875%	37	1,902	-43.609%
2026-06-03	7.5500	8.0000	7.5000	8.0000	+7.817%	32	1,874	-53.125%
2026-06-02	7.8500	7.8500	7.4200	7.4200	-7.250%	41	1,856	-49.461%
2026-06-01	7.0000	8.1000	7.0000	8.0000	+19.403%	75	1,838	-53.125%
2026-05-29	6.7000	6.7000	6.6200	6.7000	+4.524%	23	1,773	-44.030%
2026-05-28	6.2000	6.4100	6.0500	6.4100	+4.228%	109	1,757	-41.498%
2026-05-27	6.1500	6.1500	5.9000	6.1500	-5.239%	14	1,720	-39.024%
2026-05-26	5.8300	6.6000	5.8300	6.4900	+10.000%	46	1,714	-42.219%
2026-05-22	7.0000	7.0000	5.7500	5.9000	-22.876%	19	1,678	-36.441%
2026-05-21	7.9000	7.9000	7.6000	7.6500	-8.383%	25	1,667	-50.980%
2026-05-20	8.5000	8.5500	8.3500	8.3500	+4.375%	16	1,667	-55.090%
2026-05-19	8.8000	8.8000	8.0000	8.0000	-10.615%	9	1,646	-53.125%
2026-05-18	9.0000	9.0500	8.9500	8.9500	-4.787%	22	1,646	-58.101%
2026-05-15	9.0000	9.5000	8.9500	9.4000	+5.028%	18	1,646	-60.106%
2026-05-14	8.9500	8.9500	8.9500	8.9500	+1.705%	1	1,617	-58.101%
2026-05-13	8.8000	8.8000	8.8000	8.8000	+0.342%	4	1,616	-57.386%
2026-05-12	8.7000	8.7700	8.7000	8.7700	-2.011%	3	1,616	-57.241%
2026-05-11	8.9500	8.9500	8.9500	8.9500	-3.763%	1	1,616	-58.101%
2026-05-07	9.2000	9.8000	9.2000	9.3000	+8.140%	16	1,619	-59.677%
2026-05-06	8.6000	8.6000	8.6000	8.6000	-2.825%	10	1,613	-56.395%
2026-05-04	8.7500	8.8500	8.7500	8.8500	-3.804%	6	1,613	-57.627%
2026-05-01	9.0000	9.2000	9.0000	9.2000	-11.538%	8	1,613	-59.239%
2026-04-30	10.3500	10.5300	10.3500	10.4000	-1.887%	5	1,613	-63.942%
2026-04-29	11.0500	11.0500	10.6000	10.6000	+4.950%	8	1,609	-64.623%
2026-04-28	10.2500	10.2500	10.1000	10.1000	-3.810%	3	1,609	-62.871%
2026-04-27	10.5000	10.5500	10.5000	10.5000	+3.960%	15	1,609	-64.286%
2026-04-24	9.8000	10.1600	9.8000	10.1000	+12.849%	45	1,609	-62.871%
2026-04-23	9.7000	9.7000	8.9500	8.9500	-7.732%	6	1,609	-58.101%
2026-04-22	9.6000	9.7000	9.5500	9.7000	+7.778%	9	1,608	-61.340%
2026-04-21	9.0000	9.0000	9.0000	9.0000	+20.000%	1	1,610	-58.333%
2026-04-20	7.4500	7.5000	7.4000	7.5000	+1.351%	21	1,610	-50.000%
2026-04-17	7.7000	7.7000	7.4000	7.4000	-13.247%	16	1,620	-49.324%
2026-04-16	8.1400	8.5500	8.1400	8.5300	+12.980%	6	1,620	-56.038%
2026-04-15	7.7000	7.9500	7.5500	7.5500	+7.092%	18	1,620	-50.331%
2026-04-10	7.1000	7.1000	7.0500	7.0500	+7.634%	33	1,616	-46.809%
2026-04-09	6.5500	6.5500	6.5500	6.5500	+1.550%	3	1,583	-42.748%
2026-04-08	7.8000	7.8000	6.4500	6.4500	-17.308%	301	1,580	-41.860%
2026-04-06	7.7500	7.8000	7.7500	7.8000	-1.266%	7	1,442	-51.923%
2026-04-02	7.7500	8.0100	7.7500	7.9000	-1.863%	14	1,436	-52.532%
2026-03-31	8.0500	8.1900	8.0500	8.0500	-10.056%	4	1,436	-53.416%
2026-03-30	8.2000	9.1000	8.2000	8.9500	+7.831%	26	1,435	-58.101%
2026-03-27	8.1500	8.3000	7.9900	8.3000	+1.840%	20	1,436	-54.819%
2026-03-26	8.2000	8.2000	8.1500	8.1500	-12.366%	3	1,429	-53.988%
2026-03-24	9.0700	9.3000	9.0700	9.3000	+0.324%	20	1,427	-59.677%
2026-03-23	9.2700	9.2700	9.2700	9.2700	-7.761%	5	1,427	-59.547%
2026-03-18	10.0500	10.0500	10.0500	10.0500	+6.915%	1	1,432	-62.687%
2026-03-17	9.4700	9.4700	9.1400	9.4000	-2.083%	120	1,442	-60.106%
2026-03-16	9.6000	9.6000	9.6000	9.6000	-2.538%	1	1,358	-60.938%
2026-03-05	9.4100	9.8500	9.4100	9.8500	+23.125%	2	1,370	-61.929%
2026-03-04	8.0000	8.0000	8.0000	8.0000	-0.621%	1	1,371	-53.125%
2026-02-26	8.1500	8.1500	8.0500	8.0500	+13.380%	4	1,371	-53.416%
2026-02-25	7.1000	7.1000	7.1000	7.1000	+1.429%	1	1,370	-47.183%
2026-02-24	6.9500	7.0000	6.9200	7.0000	-6.667%	9	1,370	-46.429%
2026-02-20	7.5000	7.5000	7.5000	7.5000	-3.475%	2	1,361	-50.000%
2026-02-19	7.7700	7.7700	7.7700	7.7700	-2.387%	10	1,361	-51.737%
2026-02-18	7.9600	7.9600	7.9600	7.9600	+6.417%	2	1,351	-52.889%
2026-02-13	7.4800	7.4800	7.4800	7.4800	-7.081%	1	1,351	-49.866%
2026-02-12	7.8500	8.1400	7.8500	8.0500	-4.734%	11	1,351	-53.416%
2026-02-11	8.6000	8.6000	8.4500	8.4500	-4.520%	45	1,348	-55.621%
2026-02-10	8.9400	8.9400	8.8500	8.8500	-2.210%	13	1,335	-57.627%
2026-02-09	8.3000	9.0500	8.3000	9.0500	+17.532%	1,035	1,329	-58.564%
2026-02-06	7.7000	7.7000	7.7000	7.7000	-1.282%	2	325	-51.299%
2026-02-05	7.5500	7.8000	7.5500	7.8000	+1.299%	34	325	-51.923%
2026-02-04	7.8000	7.8000	7.7000	7.7000	-11.392%	58	323	-51.299%
2026-02-03	9.0000	9.1500	8.4000	8.6900	-11.777%	35	269	-56.847%
2026-02-02	9.8500	9.8500	9.8500	9.8500	-12.054%	40	277	-61.929%
2026-01-30	12.0000	12.0000	11.2000	11.2000	-2.946%	40	277	-66.518%
2026-01-29	11.6100	11.6100	11.5400	11.5400	-5.410%	2	307	-67.504%
2026-01-26	12.2000	12.2000	12.2000	12.2000	+2.521%	1	305	-69.262%
2026-01-23	11.9000	11.9000	11.9000	11.9000	+1.709%	1	304	-68.487%
2026-01-20	11.9700	11.9700	11.7000	11.7000	+3.540%	4	303	-67.949%
2026-01-16	11.3300	11.3300	11.3000	11.3000	-2.165%	15	295	-66.814%
2026-01-15	11.5500	11.5500	11.5500	11.5500	+0.435%	1	295	-67.532%
2026-01-12	11.3000	11.5000	11.3000	11.5000	+10.577%	9	294	-67.391%
2026-01-09	10.4500	10.4500	9.9000	10.4000	+0.971%	30	301	-63.942%
2026-01-08	10.8000	11.3000	10.1000	10.3000	-13.591%	30	280	-63.592%
2026-01-07	10.8700	11.9200	10.4500	11.9200	+2.759%	89	267	-68.540%
2026-01-06	11.3000	11.6500	11.3000	11.6000	-7.200%	30	238	-67.672%
2026-01-05	12.2500	12.5000	12.0500	12.5000	-5.660%	30	237	-70.000%
2025-12-31	13.2500	13.2500	13.2500	13.2500	+6.426%	2	208	-71.698%
2025-12-29	12.4500	12.4500	12.4500	12.4500	-0.797%	3	208	-69.880%
2025-12-26	12.9000	12.9000	12.5500	12.5500	-1.569%	3	205	-70.120%
2025-12-24	12.9000	12.9000	12.7000	12.7500	-6.250%	47	197	-70.588%
2025-12-23	13.5500	13.6000	13.5500	13.6000	-11.111%	2	197	-72.426%
2025-12-19	15.3000	15.3000	15.3000	15.3000	-8.328%	2	195	-75.490%
2025-12-16	16.6900	16.6900	16.6900	16.6900	+4.313%	1	193	-77.531%
2025-12-15	16.0000	16.0000	16.0000	16.0000	-11.111%	3	193	-76.563%
2025-12-10	18.0000	18.0000	18.0000	18.0000	+4.348%	4	190	-79.167%
2025-12-08	17.2500	17.2500	17.2500	17.2500	+1.770%	1	186	-78.261%
2025-12-05	16.3500	16.9500	16.3500	16.9500	+13.758%	7	187	-77.876%
2025-12-01	14.9000	14.9000	14.9000	14.9000	-41.797%	63	185	-74.832%
2025-11-10	25.6000	25.6000	25.6000	25.6000	+1.789%	10	148	-85.352%
2025-10-08	25.1500	25.1500	25.1500	25.1500	-15.320%	3	155	-85.089%
2025-09-15	29.5100	29.7000	29.5100	29.7000	+3.919%	2	152	-87.374%
2025-09-12	28.3900	28.5800	28.3900	28.5800	+2.071%	2	152	-86.879%
2025-08-29	27.9600	28.0500	27.9600	28.0000	-2.405%	7	155	-86.607%
2025-08-28	28.7000	28.7000	28.6900	28.6900	-9.780%	3	155	-86.929%
2025-08-01	31.8000	31.8000	31.8000	31.8000	-1.181%	3	157	-88.208%
2025-06-30	32.1800	32.1800	32.1800	32.1800	-9.070%	1	161	-88.347%
2025-04-09	35.6500	35.7900	35.3900	35.3900	+35.594%	155	162	-89.404%
2025-04-02	26.3500	26.3500	26.1000	26.1000	+5.030%	10	205	-85.632%
2025-03-27	24.8500	24.8500	24.8500	24.8500	-0.798%	14	195	-84.909%
2025-03-25	25.0500	25.0500	25.0500	25.0500	+16.512%	7	188	-85.030%
2025-03-14	21.5000	21.5000	21.5000	21.5000	+0.703%	30	188	-82.558%
2025-03-11	21.3500	21.3500	21.3500	21.3500	-10.294%	4	173	-82.436%
2025-02-04	23.8000	23.8000	23.8000	23.8000	+46.914%	1	173	-84.244%
2025-01-07	16.2000	16.2000	16.2000	16.2000	-5.263%	4	172	-76.852%
2024-12-24	17.1000	17.1000	17.1000	17.1000	-3.226%	140	42	-78.070%
2024-11-13	17.6700	17.6700	17.6700	17.6700	+34.783%	1	42	-78.778%
2024-10-04	13.1100	13.1100	13.1100	13.1100	+12.726%	2	42	-71.396%
2024-09-27	11.6300	11.6300	11.6300	11.6300	+3.839%	2	42	-67.756%
2024-09-24	11.2000	11.2000	11.2000	11.2000	+8.738%	3	42	-66.518%
2024-09-19	10.3000	10.3000	10.3000	10.3000	+3.726%	1	39	-63.592%
2024-09-18	10.0500	10.0500	9.9300	9.9300	-3.592%	3	39	-62.236%
2024-08-29	10.3000	10.3000	10.3000	10.3000	-21.970%	1	39	-63.592%
2024-08-07	13.2000	13.2000	13.2000	13.2000	+10.000%	9	39	-71.591%
2024-08-06	12.0000	12.0000	12.0000	12.0000	-5.512%	5	43	-68.750%
2024-08-05	12.7000	12.7000	12.7000	12.7000	+12.389%	1	39	-70.472%
2024-08-02	11.3000	11.3000	11.3000	11.3000	-3.419%	5	38	-66.814%
2024-08-01	11.7000	11.7000	11.7000	11.7000	+1.739%	1	33	-67.949%
2024-07-31	10.9000	11.5000	10.7100	11.5000	+10.365%	3	32	-67.391%
2024-07-30	9.3000	10.4200	9.3000	10.4200	+37.105%	5	29	-64.012%
2024-07-23	7.6000	7.6000	7.6000	7.6000	+2.703%	2	25	-50.658%
2024-07-22	7.4000	7.4000	7.4000	7.4000	-9.535%	10	23	-49.324%
2024-07-18	7.4000	8.1800	7.4000	8.1800	+10.690%	11	16	-54.156%
2024-07-16	7.3900	7.3900	7.3900	7.3900	+12.140%	2	10	-49.256%
2024-06-27	6.3000	6.5900	6.1800	6.5900	+6.290%	6	8	-43.096%
2024-06-25	5.7500	6.2000	5.7500	6.2000	0.000%	4	4	-39.516%