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MRK20261218P90
MRK Dec 18 2026 90.00 Put (MRK261218P00090000)
option OPRA

EOD

Jul 17, 2026

0.8400-10.638%(-0.1000)1

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-17	0.8400	0.8400	0.8400	0.8400	-10.638%	1	950	0.000%
2026-07-16	1.0000	1.0000	0.9300	0.9400	-36.054%	52	950	-10.638%
2026-07-15	1.4700	1.4700	1.4700	1.4700	+5.755%	1	998	-42.857%
2026-07-14	1.3900	1.3900	1.3900	1.3900	+26.364%	1	998	-39.568%
2026-07-09	1.1000	1.1000	1.1000	1.1000	+7.843%	1	997	-23.636%
2026-07-08	1.0200	1.0200	1.0200	1.0200	-13.559%	3	998	-17.647%
2026-07-01	1.1800	1.1800	1.1800	1.1800	+24.211%	1	998	-28.814%
2026-06-30	0.9600	0.9600	0.9500	0.9500	+4.396%	5	999	-11.579%
2026-06-29	0.9500	0.9500	0.9100	0.9100	-10.784%	5	998	-7.692%
2026-06-26	1.1000	1.1000	1.0200	1.0200	-15.000%	11	999	-17.647%
2026-06-25	1.2100	1.3800	1.2000	1.2000	-20.000%	34	1,009	-30.000%
2026-06-24	1.4400	1.5800	1.4100	1.5000	-11.243%	59	1,012	-44.000%
2026-06-23	1.7000	1.7000	1.6900	1.6900	-18.750%	2	968	-50.296%
2026-06-22	1.9600	2.0800	1.9600	2.0800	-1.422%	104	968	-59.615%
2026-06-18	2.2000	2.2000	2.1100	2.1100	+0.957%	7	904	-60.190%
2026-06-17	2.0200	2.0900	2.0200	2.0900	-0.476%	16	904	-59.809%
2026-06-16	2.0000	2.1000	2.0000	2.1000	+1.942%	5	904	-60.000%
2026-06-15	1.9900	2.0700	1.9900	2.0600	+3.518%	37	903	-59.223%
2026-06-12	1.9100	2.0000	1.9100	1.9900	+24.375%	20	873	-57.789%
2026-06-11	1.8500	1.8700	1.6000	1.6000	-23.445%	4	859	-47.500%
2026-06-10	2.1100	2.1800	1.9800	2.0900	+10.000%	158	860	-59.809%
2026-06-09	1.9000	1.9000	1.9000	1.9000	-8.213%	1	709	-55.789%
2026-06-08	1.9200	2.0700	1.9200	2.0700	+26.994%	31	710	-59.420%
2026-06-05	1.6000	1.6300	1.6000	1.6300	-13.298%	3	693	-48.466%
2026-05-29	1.9900	1.9900	1.8800	1.8800	-4.569%	22	694	-55.319%
2026-05-26	2.0100	2.0100	1.9700	1.9700	-17.227%	13	686	-57.360%
2026-05-21	2.4200	2.4200	2.3200	2.3800	-3.252%	8	678	-64.706%
2026-05-19	2.4600	2.4600	2.4600	2.4600	-12.456%	2	678	-65.854%
2026-05-18	2.7800	2.8300	2.7800	2.8100	-4.422%	168	678	-70.107%
2026-05-15	2.8100	2.9400	2.8100	2.9400	+5.000%	6	678	-71.429%
2026-05-14	2.7700	2.8000	2.7700	2.8000	+1.083%	5	594	-70.000%
2026-05-13	2.7700	2.7800	2.7700	2.7700	-0.717%	3	596	-69.675%
2026-05-12	2.7900	2.7900	2.7900	2.7900	-10.000%	1	596	-69.892%
2026-05-11	3.0000	3.1000	3.0000	3.1000	-3.125%	3	596	-72.903%
2026-05-07	2.8800	3.2000	2.8800	3.2000	+15.942%	2	595	-73.750%
2026-05-06	2.8500	2.8500	2.7600	2.7600	-6.757%	6	595	-69.565%
2026-05-05	2.7700	2.9600	2.7700	2.9600	-1.333%	2	600	-71.622%
2026-05-04	3.0000	3.0000	3.0000	3.0000	0.000%	1	601	-72.000%
2026-05-01	3.1600	3.1600	2.9900	3.0000	-23.077%	11	605	-72.000%
2026-04-30	3.5000	4.0500	3.3100	3.9000	+8.333%	90	605	-78.462%
2026-04-29	3.6000	3.6000	3.6000	3.6000	-1.370%	9	548	-76.667%
2026-04-28	3.6500	3.6500	3.6500	3.6500	-1.084%	1	544	-76.986%
2026-04-27	3.6900	3.6900	3.6900	3.6900	+1.096%	1	544	-77.236%
2026-04-24	3.6000	3.6500	3.6000	3.6500	+10.606%	2	543	-76.986%
2026-04-22	3.4000	3.4500	3.3000	3.3000	-2.941%	7	542	-74.545%
2026-04-21	3.4000	3.4000	3.4000	3.4000	+25.000%	1	536	-75.294%
2026-04-20	2.5500	2.7200	2.5500	2.7200	+14.286%	44	536	-69.118%
2026-04-17	2.3800	2.3800	2.3800	2.3800	-12.177%	72	528	-64.706%
2026-04-14	2.7100	2.7100	2.7100	2.7100	+1.498%	2	584	-69.004%
2026-04-13	2.6700	2.6700	2.6700	2.6700	+6.800%	1	584	-68.539%
2026-04-09	2.5000	2.5000	2.5000	2.5000	0.000%	1	585	-66.400%
2026-04-08	2.4500	2.5000	2.4500	2.5000	-21.875%	8	585	-66.400%
2026-04-07	3.2500	3.2500	3.2000	3.2000	-11.111%	2	588	-73.750%
2026-03-30	3.6000	3.6000	3.6000	3.6000	+22.034%	2	589	-76.667%
2026-03-26	2.9500	2.9500	2.9500	2.9500	-18.056%	10	589	-71.525%
2026-03-24	3.5500	3.6000	3.4900	3.6000	+2.857%	8	579	-76.667%
2026-03-23	3.5100	3.5400	3.5000	3.5000	-4.110%	250	573	-76.000%
2026-03-16	3.5500	3.6500	3.5500	3.6500	-10.976%	3	515	-76.986%
2026-03-09	4.1000	4.1000	4.1000	4.1000	+26.154%	3	514	-79.512%
2026-03-03	3.2500	3.2500	3.2500	3.2500	+10.922%	1	517	-74.154%
2026-03-02	2.9600	2.9600	2.9300	2.9300	+6.545%	4	517	-71.331%
2026-02-27	2.7500	2.7500	2.7500	2.7500	-5.498%	10	517	-69.455%
2026-02-26	3.0000	3.0000	2.9100	2.9100	+5.818%	10	517	-71.134%
2026-02-23	2.7500	2.7500	2.7500	2.7500	-2.135%	14	512	-69.455%
2026-02-20	2.8500	2.8500	2.8100	2.8100	-1.404%	6	512	-70.107%
2026-02-19	2.8200	2.8500	2.8200	2.8500	0.000%	6	516	-70.526%
2026-02-18	2.8500	2.8500	2.8500	2.8500	+0.352%	2	517	-70.526%
2026-02-17	2.8400	2.8400	2.8400	2.8400	+0.709%	4	515	-70.423%
2026-02-13	2.8200	2.8200	2.8200	2.8200	-2.759%	1	516	-70.213%
2026-02-12	2.9000	2.9000	2.9000	2.9000	-7.937%	20	516	-71.034%
2026-02-11	3.1500	3.1500	3.1500	3.1500	-3.077%	5	536	-73.333%
2026-02-10	3.2500	3.2500	3.2500	3.2500	+1.562%	2	541	-74.154%
2026-02-09	3.0000	3.2000	3.0000	3.2000	+20.755%	27	541	-73.750%
2026-02-06	2.7600	2.7600	2.6500	2.6500	-6.028%	3	528	-68.302%
2026-02-05	2.9800	2.9800	2.7600	2.8200	+0.714%	20	528	-70.213%
2026-02-04	2.7800	2.9000	2.7500	2.8000	-4.762%	33	537	-70.000%
2026-02-03	2.9400	2.9400	2.9400	2.9400	-19.452%	5	540	-71.429%
2026-02-02	3.6500	3.6500	3.6500	3.6500	-6.410%	8	540	-76.986%
2026-01-30	3.9000	3.9000	3.9000	3.9000	-3.704%	9	540	-78.462%
2026-01-29	4.1300	4.1300	4.0500	4.0500	-8.989%	6	540	-79.259%
2026-01-28	4.4500	4.4500	4.4500	4.4500	+3.248%	1	539	-81.124%
2026-01-26	4.1600	4.3100	4.1600	4.3100	+8.564%	7	538	-80.510%
2026-01-23	3.9700	3.9700	3.9700	3.9700	+1.795%	5	537	-78.841%
2026-01-22	3.8500	3.9000	3.8500	3.9000	-2.500%	4	532	-78.462%
2026-01-16	4.0000	4.0000	4.0000	4.0000	-3.614%	25	532	-79.000%
2026-01-12	4.2000	4.2000	4.0000	4.1500	+3.750%	39	532	-79.759%
2026-01-09	3.8300	4.0000	3.8300	4.0000	0.000%	5	504	-79.000%
2026-01-08	3.8000	4.0000	3.8000	4.0000	-13.043%	12	502	-79.000%
2026-01-07	3.9000	4.6000	3.9000	4.6000	0.000%	81	502	-81.739%
2026-01-05	4.4500	4.6000	4.3800	4.6000	-4.167%	13	463	-81.739%
2026-01-02	5.0000	5.0000	4.7500	4.8000	-2.041%	13	463	-82.500%
2025-12-31	4.7700	4.9500	4.7700	4.9000	+6.522%	32	459	-82.857%
2025-12-30	4.7500	4.8500	4.5500	4.6000	-1.075%	14	459	-81.739%
2025-12-29	4.7000	4.7000	4.6500	4.6500	-4.124%	8	459	-81.935%
2025-12-26	4.8400	4.9500	4.8400	4.8500	-1.020%	14	455	-82.680%
2025-12-24	4.9000	4.9000	4.8500	4.9000	-5.769%	7	453	-82.857%
2025-12-23	5.2500	5.2500	4.7500	5.2000	-1.887%	7	453	-83.846%
2025-12-22	6.0000	6.0000	5.3000	5.3000	-8.621%	11	452	-84.151%
2025-12-19	5.8000	5.8000	5.8000	5.8000	-3.333%	1	452	-85.517%
2025-12-18	6.0000	6.0000	6.0000	6.0000	-16.782%	1	451	-86.000%
2025-12-16	7.2100	7.2100	7.2100	7.2100	+20.167%	1	450	-88.350%
2025-12-15	6.0000	6.0000	6.0000	6.0000	+3.448%	1	449	-86.000%
2025-12-01	5.9000	5.9000	5.7400	5.8000	+1.754%	8	448	-85.517%
2025-11-28	5.7000	5.7000	5.5000	5.7000	+0.885%	38	446	-85.263%
2025-11-26	5.8300	5.8500	5.6500	5.6500	0.000%	25	429	-85.133%
2025-11-25	5.9500	5.9500	5.6500	5.6500	-13.740%	32	429	-85.133%
2025-11-24	6.4500	6.5500	6.4000	6.5500	-10.884%	14	414	-87.176%
2025-11-21	8.0000	8.0000	7.3500	7.3500	-14.035%	6	412	-88.571%
2025-11-20	8.5500	8.5500	8.5500	8.5500	+6.211%	2	412	-90.175%
2025-11-19	8.0500	8.0500	8.0500	8.0500	-1.227%	1	412	-89.565%
2025-11-18	7.9500	8.1500	7.9500	8.1500	-9.444%	3	412	-89.693%
2025-11-17	8.8500	9.0000	8.8500	9.0000	+4.046%	2	412	-90.667%
2025-11-14	8.9500	8.9500	8.6500	8.6500	-3.996%	28	411	-90.289%
2025-11-13	8.8500	9.2100	8.8000	9.0100	-6.632%	39	386	-90.677%
2025-11-12	9.6500	9.6500	9.6500	9.6500	-4.926%	3	396	-91.295%
2025-11-11	10.1500	10.1500	10.1500	10.1500	-15.417%	1	396	-91.724%
2025-11-06	12.3500	12.4500	12.0000	12.0000	-9.297%	21	395	-93.000%
2025-11-03	12.7500	13.5000	12.7500	13.2300	+15.043%	10	368	-93.651%
2025-10-30	12.6200	13.0000	11.5000	11.5000	0.000%	33	368	-92.696%
2025-10-29	11.5000	11.5000	11.5000	11.5000	+2.496%	5	350	-92.696%
2025-10-27	11.2500	11.3200	11.2200	11.2200	-4.103%	13	343	-92.513%
2025-10-21	11.7000	11.7000	11.7000	11.7000	-0.847%	2	343	-92.821%
2025-10-20	11.7500	11.8000	11.7500	11.8000	-10.606%	11	345	-92.881%
2025-10-16	13.2000	13.2000	13.2000	13.2000	+0.995%	1	345	-93.636%
2025-10-15	13.0700	13.0700	13.0700	13.0700	-0.608%	4	344	-93.573%
2025-10-14	13.1500	13.1500	13.1500	13.1500	+11.915%	9	344	-93.612%
2025-10-10	11.7500	11.7500	11.7500	11.7500	+2.174%	1	353	-92.851%
2025-10-07	11.2100	11.5000	11.2100	11.5000	+12.745%	3	351	-92.696%
2025-10-03	10.1500	10.2000	10.1500	10.2000	+1.190%	13	351	-91.765%
2025-10-02	10.0800	10.0800	10.0800	10.0800	-0.690%	1	358	-91.667%
2025-10-01	11.2000	11.2000	10.1500	10.1500	-29.021%	12	358	-91.724%
2025-09-18	14.3000	14.3000	14.3000	14.3000	-2.322%	2	353	-94.126%
2025-09-16	14.6400	14.6400	14.6400	14.6400	+0.480%	10	351	-94.262%
2025-09-15	14.3700	14.5700	14.3700	14.5700	+5.199%	2	341	-94.235%
2025-09-12	13.6000	13.9400	13.6000	13.8500	+6.703%	120	341	-93.935%
2025-09-02	12.9800	12.9800	12.9800	12.9800	-2.259%	1	224	-93.529%
2025-08-27	13.2400	13.2800	13.2400	13.2800	+2.707%	2	223	-93.675%
2025-08-26	12.8000	12.9300	12.8000	12.9300	-18.165%	8	224	-93.503%
2025-08-06	15.8000	15.8000	15.8000	15.8000	+12.456%	5	218	-94.684%
2025-07-23	14.0500	14.0500	14.0500	14.0500	-7.261%	1	213	-94.021%
2025-07-22	15.1500	15.1500	15.1500	15.1500	-5.901%	1	212	-94.455%
2025-07-21	16.1000	16.1000	16.1000	16.1000	-0.923%	1	213	-94.783%
2025-07-18	16.2500	16.2500	16.2500	16.2500	+18.096%	1	213	-94.831%
2025-07-10	13.6500	13.7600	13.6500	13.7600	-13.131%	14	214	-93.895%
2025-07-03	15.8400	15.8400	15.8400	15.8400	-6.824%	2	202	-94.697%
2025-06-10	17.0000	17.0000	17.0000	17.0000	-16.462%	1	202	-95.059%
2025-05-14	20.4000	20.4000	20.3500	20.3500	+27.188%	5	201	-95.872%
2025-04-25	16.0000	16.0000	16.0000	16.0000	-14.984%	4	196	-94.750%
2025-04-22	18.7700	18.8200	18.7700	18.8200	-3.783%	20	198	-95.537%
2025-04-21	19.5600	19.5600	19.5600	19.5600	+3.932%	2	178	-95.706%
2025-04-09	18.8200	18.8200	18.8200	18.8200	+47.608%	3	176	-95.537%
2025-04-02	12.7500	12.7500	12.7500	12.7500	+10.870%	1	179	-93.412%
2025-03-28	11.5000	11.5000	11.5000	11.5000	-7.853%	6	178	-92.696%
2025-03-25	12.4800	12.4800	12.4800	12.4800	+24.800%	2	175	-93.269%
2025-03-24	10.0000	10.0000	10.0000	10.0000	+5.263%	5	177	-91.600%
2025-03-10	9.9000	9.9000	9.5000	9.5000	-8.035%	8	172	-91.158%
2025-03-04	10.3300	10.3300	10.3300	10.3300	-1.337%	1	171	-91.868%
2025-02-25	10.4400	10.5500	10.4400	10.4700	-6.518%	3	172	-91.977%
2025-02-24	11.4900	11.4900	11.2000	11.2000	-11.252%	7	172	-92.500%
2025-02-20	13.0000	13.0000	12.5800	12.6200	-7.138%	101	118	-93.344%
2025-02-13	13.3500	13.5900	13.3500	13.5900	+17.662%	3	118	-93.819%
2025-02-10	12.4600	12.4600	11.5500	11.5500	-3.830%	3	119	-92.727%
2025-02-07	12.0100	12.0100	12.0100	12.0100	+4.344%	2	118	-93.006%
2025-02-06	11.5400	11.5400	11.5100	11.5100	+6.083%	7	117	-92.702%
2025-02-05	11.0000	11.0000	10.8500	10.8500	-6.466%	2	115	-92.258%
2025-02-04	11.0400	11.8100	11.0400	11.6000	+41.636%	6	113	-92.759%
2025-01-27	8.1900	8.1900	8.1900	8.1900	-1.916%	1	109	-89.744%
2025-01-21	8.3500	8.3500	8.3500	8.3500	+10.304%	1	110	-89.940%
2024-12-18	7.5700	7.5700	7.5700	7.5700	+9.710%	1	109	-88.904%
2024-12-05	6.9000	6.9000	6.9000	6.9000	-2.817%	1	108	-87.826%
2024-11-06	7.0500	7.1500	7.0500	7.1000	-2.740%	24	108	-88.169%
2024-10-31	8.1000	8.1000	7.3000	7.3000	+28.070%	11	84	-88.493%
2024-10-04	5.7000	5.7000	5.7000	5.7000	+16.327%	20	88	-85.263%
2024-09-24	4.9500	4.9500	4.8500	4.9000	-2.000%	12	78	-82.857%
2024-08-22	5.0000	5.0000	5.0000	5.0000	-6.542%	1	66	-83.200%
2024-08-16	5.1500	5.3500	5.1500	5.3500	+9.856%	44	65	-84.299%
2024-08-01	4.8700	4.8700	4.8700	4.8700	-2.209%	1	43	-82.752%
2024-07-31	4.9800	4.9800	4.9800	4.9800	+9.451%	1	42	-83.133%
2024-07-30	4.3000	4.6000	4.3000	4.5500	+54.237%	11	41	-81.538%
2024-07-29	2.9500	2.9500	2.9500	2.9500	-13.235%	3	30	-71.525%
2024-07-23	3.4000	3.4000	3.4000	3.4000	+13.333%	1	27	-75.294%
2024-07-16	3.0000	3.0000	3.0000	3.0000	+6.762%	1	26	-72.000%
2024-07-12	2.8100	2.8100	2.8100	2.8100	+0.357%	2	25	-70.107%
2024-06-28	2.8000	2.8500	2.8000	2.8000	+11.111%	7	24	-70.000%
2024-06-27	2.5200	2.5200	2.5200	2.5200	+5.000%	5	19	-66.667%
2024-06-26	2.4000	2.4000	2.4000	2.4000	-9.434%	1	14	-65.000%
2024-06-21	2.6500	2.6500	2.6500	2.6500	-8.621%	2	13	-68.302%
2024-06-13	2.9000	2.9000	2.9000	2.9000	+3.571%	1	12	-71.034%
2024-06-12	2.8000	2.8000	2.8000	2.8000	-2.439%	1	11	-70.000%
2024-06-07	2.8700	2.8700	2.8700	2.8700	-5.902%	20	10	-70.732%
2024-05-15	3.0500	3.0500	3.0500	3.0500	-0.974%	6	4	-72.459%
2024-05-14	3.0800	3.0800	3.0800	3.0800	-3.750%	1	6	-72.727%
2024-05-13	3.2000	3.2000	3.2000	3.2000	+3.226%	3	5	-73.750%
2024-05-08	3.1000	3.1000	3.1000	3.1000	0.000%	2	2	-72.903%