Dark

MRK20261218P120
MRK Dec 18 2026 120.00 Put (MRK261218P00120000)
option OPRA

EOD

Jul 21, 2026

7.21-3.221%(-0.24)19

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	7.5900	7.5900	7.2100	7.2100	-3.221%	19	851	0.000%
2026-07-20	6.9000	7.4500	6.9000	7.4500	-5.096%	9	832	-3.221%
2026-07-15	7.8500	8.0400	7.8500	7.8500	-14.674%	13	825	-8.153%
2026-07-14	9.0500	9.2000	9.0500	9.2000	+13.580%	12	821	-21.630%
2026-07-10	8.2500	8.2500	8.0500	8.1000	+8.000%	5	814	-10.988%
2026-07-09	7.5000	7.5000	7.5000	7.5000	+6.383%	1	812	-3.867%
2026-07-08	6.9100	7.3000	6.9100	7.0500	+13.710%	11	811	+2.270%
2026-07-07	6.3500	6.3500	5.9800	6.2000	-13.889%	44	803	+16.290%
2026-07-06	6.3000	7.2000	6.3000	7.2000	+11.628%	15	795	+0.139%
2026-07-02	6.7000	6.7000	6.3000	6.4500	-5.839%	8	778	+11.783%
2026-07-01	7.2700	7.2700	6.8500	6.8500	+9.600%	16	778	+5.255%
2026-06-30	6.9000	6.9000	6.2500	6.2500	+3.306%	21	767	+15.360%
2026-06-29	6.0400	6.1500	6.0000	6.0500	-9.431%	32	752	+19.174%
2026-06-26	6.5500	6.7500	6.1000	6.6800	-9.362%	92	735	+7.934%
2026-06-25	8.0500	8.0500	7.3700	7.3700	-18.564%	14	700	-2.171%
2026-06-24	9.4200	9.4200	9.0500	9.0500	-10.837%	18	692	-20.331%
2026-06-23	10.5500	10.5500	10.1500	10.1500	-15.063%	24	674	-28.966%
2026-06-22	12.0500	12.0500	11.9500	11.9500	-4.781%	2	654	-39.665%
2026-06-18	12.5500	12.5500	12.5500	12.5500	+4.583%	1	651	-42.550%
2026-06-17	12.0000	12.0000	12.0000	12.0000	-1.235%	1	651	-39.917%
2026-06-16	12.1500	12.1500	12.1500	12.1500	+1.250%	1	651	-40.658%
2026-06-15	12.0000	12.0000	12.0000	12.0000	+12.254%	1	650	-39.917%
2026-06-12	10.4000	10.6900	10.4000	10.6900	+11.587%	9	649	-32.554%
2026-06-11	10.4500	10.4500	9.4500	9.5800	-16.696%	12	646	-24.739%
2026-06-10	11.5000	11.8000	11.5000	11.5000	+5.023%	6	644	-37.304%
2026-06-09	10.9500	10.9500	10.9500	10.9500	-2.232%	1	644	-34.155%
2026-06-08	11.4000	11.4000	11.0500	11.2000	+15.464%	22	644	-35.625%
2026-06-05	9.4000	9.7000	9.4000	9.7000	-14.912%	113	632	-25.670%
2026-06-04	11.4000	11.4000	11.4000	11.4000	-11.628%	1	598	-36.754%
2026-06-03	12.6500	12.9000	12.6500	12.9000	+4.878%	3	597	-44.109%
2026-06-02	12.3000	12.3000	12.3000	12.3000	-5.747%	1	596	-41.382%
2026-06-01	13.0700	13.0700	12.8500	13.0500	+21.963%	14	595	-44.751%
2026-05-29	11.1500	11.1500	10.7000	10.7000	0.000%	3	590	-32.617%
2026-05-28	10.7000	10.7000	10.7000	10.7000	+6.468%	3	590	-32.617%
2026-05-27	10.0500	10.0500	10.0500	10.0500	-4.739%	2	590	-28.259%
2026-05-26	10.2500	10.6000	10.1500	10.5500	+8.763%	17	590	-31.659%
2026-05-22	9.8500	9.9500	9.6000	9.7000	-29.964%	39	585	-25.670%
2026-05-20	13.8500	13.8500	13.8500	13.8500	+5.725%	1	613	-47.942%
2026-05-19	12.9000	13.1000	12.9000	13.1000	-7.092%	5	617	-44.962%
2026-05-11	14.1000	14.1000	14.1000	14.1000	-6.312%	1	617	-48.865%
2026-05-08	14.9000	15.0500	14.9000	15.0500	-0.331%	2	617	-52.093%
2026-05-07	14.9500	15.1000	14.9500	15.1000	+10.058%	3	617	-52.252%
2026-05-06	13.7200	13.7200	13.7200	13.7200	-3.039%	1	620	-47.449%
2026-05-05	14.1500	14.1500	14.1500	14.1500	-1.531%	3	619	-49.046%
2026-05-01	14.3700	14.3700	14.3700	14.3700	-6.384%	4	626	-49.826%
2026-04-24	15.3000	15.3500	15.3000	15.3500	+9.643%	4	626	-53.029%
2026-04-23	14.0500	14.0500	14.0000	14.0000	-6.667%	3	627	-48.500%
2026-04-21	15.0000	15.0000	15.0000	15.0000	+21.457%	2	628	-51.933%
2026-04-15	11.7000	12.3500	11.7000	12.3500	+8.049%	18	630	-41.619%
2026-04-14	11.4300	11.4300	11.4300	11.4300	-0.522%	5	625	-36.920%
2026-04-13	11.4900	11.4900	11.4900	11.4900	-3.445%	2	625	-37.250%
2026-04-06	11.9000	11.9000	11.9000	11.9000	-4.032%	4	623	-39.412%
2026-04-02	12.4000	12.4000	12.4000	12.4000	+6.621%	1	628	-41.855%
2026-04-01	11.5500	11.6700	11.4200	11.6300	-5.447%	62	628	-38.005%
2026-03-27	12.3000	12.3000	12.3000	12.3000	-0.806%	1	573	-41.382%
2026-03-25	12.4000	12.4000	12.4000	12.4000	-11.302%	1	573	-41.855%
2026-03-24	13.9800	13.9800	13.9800	13.9800	-0.569%	5	572	-48.426%
2026-03-23	14.0600	14.0600	14.0600	14.0600	-0.142%	5	574	-48.720%
2026-03-17	14.0800	14.0800	14.0800	14.0800	-1.193%	5	576	-48.793%
2026-03-13	14.2500	14.2500	14.2500	14.2500	-2.397%	4	571	-49.404%
2026-03-12	15.0500	15.0500	14.6000	14.6000	+1.319%	11	575	-50.616%
2026-03-11	14.4000	14.4100	14.4000	14.4100	+4.043%	2	567	-49.965%
2026-03-10	13.3000	13.8500	13.3000	13.8500	-5.461%	17	567	-47.942%
2026-03-05	14.7700	14.7700	14.6500	14.6500	+26.293%	2	552	-50.785%
2026-02-27	11.3000	11.6000	11.3000	11.6000	-0.855%	2	552	-37.845%
2026-02-25	11.7000	11.7000	11.7000	11.7000	+7.834%	1	550	-38.376%
2026-02-24	10.8500	10.8500	10.8500	10.8500	-9.734%	30	550	-33.548%
2026-02-20	12.5500	12.5500	12.0200	12.0200	+1.778%	16	547	-40.017%
2026-02-19	11.8100	11.8100	11.8100	11.8100	-1.992%	10	536	-38.950%
2026-02-18	12.0500	12.0500	12.0500	12.0500	+0.837%	1	536	-40.166%
2026-02-17	11.9500	11.9500	11.9500	11.9500	-3.629%	4	536	-39.665%
2026-02-12	12.4000	12.4000	12.4000	12.4000	-7.116%	1	536	-41.855%
2026-02-09	11.6500	13.3500	11.6500	13.3500	+11.250%	50	536	-45.993%
2026-02-05	12.0600	12.0600	11.7500	12.0000	+5.727%	501	510	-39.917%
2026-02-04	12.5300	12.5300	11.3500	11.3500	-29.063%	16	34	-36.476%
2026-01-21	16.0000	16.0000	16.0000	16.0000	-7.514%	7	37	-54.938%
2026-01-16	17.3900	17.3900	16.9500	17.3000	-0.288%	6	46	-58.324%
2026-01-13	17.3500	17.3500	17.3500	17.3500	+0.755%	1	46	-58.444%
2026-01-12	16.8500	17.2200	16.8500	17.2200	+1.294%	3	45	-58.130%
2026-01-08	17.0000	17.0000	17.0000	17.0000	-1.449%	7	42	-57.588%
2026-01-06	17.2500	17.2500	17.2500	17.2500	-10.622%	7	40	-58.203%
2026-01-02	19.3000	19.3000	19.3000	19.3000	-14.222%	1	39	-62.642%
2025-12-19	22.5000	22.5000	22.5000	22.5000	-6.211%	1	38	-67.956%
2025-12-17	23.9900	23.9900	23.9900	23.9900	+10.553%	6	39	-69.946%
2025-11-25	22.0800	22.0800	21.7000	21.7000	-3.211%	9	43	-66.774%
2025-11-24	22.4200	22.4200	22.4200	22.4200	-15.428%	1	47	-67.841%
2025-11-18	26.5100	26.5100	26.5100	26.5100	-22.372%	1	47	-72.803%
2025-10-10	34.1600	34.1600	34.1400	34.1500	+1.788%	9	47	-78.887%
2025-10-09	33.5200	33.5500	33.5200	33.5500	-1.091%	2	52	-78.510%
2025-10-08	33.3300	33.9200	33.1700	33.9200	+5.934%	25	54	-78.744%
2025-10-06	32.1000	32.2000	31.8900	32.0200	-2.259%	9	39	-77.483%
2025-10-03	32.7600	32.7600	32.7600	32.7600	+6.745%	1	41	-77.991%
2025-10-01	32.3300	32.4800	30.5500	30.6900	-25.636%	23	41	-76.507%
2025-09-29	41.5900	41.5900	41.1500	41.2700	-0.073%	3	61	-82.530%
2025-09-26	41.8500	42.1500	41.3000	41.3000	-0.145%	10	58	-82.542%
2025-09-25	40.3500	41.3600	40.3500	41.3600	+2.376%	4	68	-82.568%
2025-09-24	40.2900	40.4300	40.2900	40.4000	+4.258%	37	82	-82.153%
2025-09-18	38.7500	38.7500	38.7500	38.7500	-0.946%	1	59	-81.394%
2025-09-16	39.1000	39.1200	39.1000	39.1200	+0.747%	2	59	-81.570%
2025-09-15	38.8300	38.8300	38.8300	38.8300	+3.491%	1	57	-81.432%
2025-09-12	37.3800	37.5200	37.3800	37.5200	+0.027%	2	56	-80.784%
2025-09-08	37.5100	37.5100	37.5100	37.5100	+10.453%	1	56	-80.778%
2025-08-22	34.1200	34.1200	33.9600	33.9600	-15.836%	2	55	-78.769%
2025-08-11	40.1700	40.3500	40.1700	40.3500	+0.448%	3	54	-82.131%
2025-08-06	40.1700	40.1700	40.1700	40.1700	-0.248%	1	51	-82.051%
2025-08-04	40.3200	40.3200	40.2700	40.2700	-4.392%	2	50	-82.096%
2025-08-01	42.1200	42.1200	42.1200	42.1200	+1.372%	1	48	-82.882%
2025-07-31	39.0600	41.5500	39.0600	41.5500	-3.305%	3	47	-82.647%
2025-07-29	42.9700	42.9700	42.9700	42.9700	+5.396%	1	44	-83.221%
2025-07-21	40.7700	40.7700	40.7700	40.7700	+6.533%	1	44	-82.315%
2025-07-02	38.2700	38.2700	38.2700	38.2700	-7.916%	2	43	-81.160%
2025-06-26	41.0000	41.7000	40.4500	41.5600	+1.316%	4	61	-82.652%
2025-06-24	41.0200	41.0200	41.0200	41.0200	+0.441%	1	57	-82.423%
2025-06-23	40.6400	40.8400	40.6400	40.8400	-1.305%	4	56	-82.346%
2025-06-20	41.6000	41.6000	41.3800	41.3800	-3.227%	4	56	-82.576%
2025-06-18	42.7600	42.7600	42.7600	42.7600	+5.242%	9	55	-83.138%
2025-06-17	40.6300	40.6300	40.6300	40.6300	+0.074%	1	55	-82.254%
2025-06-11	40.6000	40.6000	40.6000	40.6000	+0.744%	6	55	-82.241%
2025-06-10	40.3000	40.3000	40.3000	40.3000	-5.399%	1	55	-82.109%
2025-06-04	42.6000	42.6000	42.6000	42.6000	-5.122%	5	54	-83.075%
2025-06-02	45.0700	45.0700	44.9000	44.9000	+1.930%	3	54	-83.942%
2025-05-30	44.3000	44.3000	44.0500	44.0500	-2.111%	6	53	-83.632%
2025-05-28	43.4400	45.0000	43.4400	45.0000	+3.591%	3	51	-83.978%
2025-05-27	43.4400	43.4400	43.4400	43.4400	+0.069%	1	49	-83.402%
2025-05-23	43.4100	43.4100	43.4100	43.4100	-5.177%	2	48	-83.391%
2025-05-16	45.7800	45.7800	45.7800	45.7800	+5.606%	2	48	-84.251%
2025-04-24	43.3500	43.3500	43.3500	43.3500	+12.218%	1	47	-83.368%
2025-02-18	38.6300	38.6300	38.6300	38.6300	+1.205%	1	47	-81.336%
2025-02-14	37.4500	38.1700	37.4500	38.1700	+18.173%	6	43	-81.111%
2025-02-04	33.0600	33.2800	31.7400	32.3000	+23.377%	5	43	-77.678%
2025-01-27	26.1800	26.1800	26.1800	26.1800	+1.277%	1	38	-72.460%
2025-01-22	26.5100	26.5100	25.8500	25.8500	0.000%	3	37	-72.108%
2025-01-21	26.0000	26.0000	24.8100	25.8500	+4.318%	4	36	-72.108%
2025-01-17	24.7800	24.7800	24.7800	24.7800	+3.595%	2	33	-70.904%
2024-12-26	23.8800	23.9200	23.8800	23.9200	-1.927%	5	33	-69.858%
2024-12-20	24.3900	24.3900	24.3900	24.3900	+12.917%	10	37	-70.439%
2024-12-05	21.6000	21.6000	21.6000	21.6000	+9.367%	10	37	-66.620%
2024-10-23	19.7500	19.7500	19.7500	19.7500	+13.506%	2	36	-63.494%
2024-10-16	17.4000	17.4000	17.4000	17.4000	-0.571%	2	34	-58.563%
2024-10-15	17.4500	17.5000	17.3200	17.5000	+1.744%	14	32	-58.800%
2024-10-03	17.2000	17.2000	17.2000	17.2000	+22.857%	2	27	-58.081%
2024-09-18	14.0000	14.0000	14.0000	14.0000	-13.313%	2	25	-48.500%
2024-09-09	16.1500	16.1500	16.1500	16.1500	+10.997%	2	25	-55.356%
2024-09-05	14.5500	14.5500	14.5500	14.5500	+0.345%	1	23	-50.447%
2024-08-30	14.5000	14.5000	14.5000	14.5000	-2.619%	10	17	-50.276%
2024-08-29	14.8900	14.8900	14.8900	14.8900	-0.733%	1	17	-51.578%
2024-08-22	15.0000	15.0000	15.0000	15.0000	-3.846%	2	17	-51.933%
2024-08-21	15.6000	15.6000	15.6000	15.6000	-8.127%	6	15	-53.782%
2024-08-08	16.9800	16.9800	16.9800	16.9800	+2.909%	1	9	-57.538%
2024-08-01	16.5000	16.5000	16.5000	16.5000	+13.793%	2	8	-56.303%
2024-07-30	16.0000	16.0000	14.1000	14.5000	+37.441%	4	6	-50.276%
2024-07-29	10.5500	10.5500	10.5500	10.5500	0.000%	1	4	-31.659%
2024-07-03	10.5500	10.5500	10.5500	10.5500	+6.244%	1	2	-31.659%
2024-06-28	9.9300	9.9300	9.9300	9.9300	+5.638%	1	2	-27.392%
2024-05-24	9.4000	9.4000	9.4000	9.4000	0.000%	2	0	-23.298%