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MRK20261218P65
MRK Dec 18 2026 65.00 Put (MRK261218P00065000)
option OPRA

EOD

Aug 31, 2026

0.0300+200.000%(+0.0200)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-31	0.0200	0.0300	0.0200	0.0300	+200.000%	3	331	0.000%
2026-08-28	0.0100	0.0100	0.0100	0.0100	-50.000%	1	332	+200.000%
2026-08-13	0.0200	0.0200	0.0200	0.0200	-75.000%	2	332	+50.000%
2026-08-12	0.1000	0.1000	0.0800	0.0800	-33.333%	3	332	-62.500%
2026-08-10	0.1200	0.1200	0.1200	0.1200	+71.429%	2	332	-75.000%
2026-08-07	0.0700	0.0700	0.0700	0.0700	+40.000%	20	332	-57.143%
2026-08-06	0.0500	0.0500	0.0500	0.0500	-28.571%	2	332	-40.000%
2026-08-05	0.0700	0.0700	0.0700	0.0700	-46.154%	2	332	-57.143%
2026-07-24	0.1300	0.1300	0.1300	0.1300	0.000%	1	334	-76.923%
2026-07-14	0.1300	0.1300	0.1300	0.1300	-13.333%	1	334	-76.923%
2026-07-08	0.1500	0.1500	0.1500	0.1500	-42.308%	2	333	-80.000%
2026-07-06	0.2600	0.2600	0.2600	0.2600	-63.889%	1	333	-88.462%
2026-06-22	0.7200	0.7200	0.7200	0.7200	+105.714%	1	334	-95.833%
2026-06-16	0.3500	0.3500	0.3500	0.3500	+6.061%	4	334	-91.429%
2026-06-05	0.3300	0.3300	0.3300	0.3300	-10.811%	10	334	-90.909%
2026-06-03	0.3700	0.3700	0.3700	0.3700	0.000%	2	344	-91.892%
2026-05-26	0.3000	0.3800	0.3000	0.3700	-15.909%	10	344	-91.892%
2026-05-22	0.4400	0.4400	0.4400	0.4400	-8.333%	4	348	-93.182%
2026-05-19	0.4700	0.4800	0.4700	0.4800	-14.286%	12	344	-93.750%
2026-05-05	0.5600	0.5600	0.5600	0.5600	-24.324%	1	334	-94.643%
2026-05-04	0.7400	0.7400	0.7400	0.7400	+23.333%	1	335	-95.946%
2026-05-01	0.6500	0.6500	0.6000	0.6000	-25.000%	22	345	-95.000%
2026-04-24	0.7500	0.8000	0.7500	0.8000	+6.667%	8	345	-96.250%
2026-04-21	0.6500	0.8000	0.6500	0.7500	+15.385%	39	337	-96.000%
2026-04-15	0.6600	0.6600	0.6500	0.6500	-7.143%	4	318	-95.385%
2026-04-10	0.6500	0.7000	0.6500	0.7000	-6.667%	2	314	-95.714%
2026-03-30	0.7500	0.7500	0.7500	0.7500	-22.680%	1	314	-96.000%
2026-03-05	0.9700	0.9700	0.9700	0.9700	+51.563%	3	316	-96.907%
2026-02-26	0.6400	0.6400	0.6400	0.6400	-7.246%	1	317	-95.313%
2026-02-06	0.6900	0.6900	0.6900	0.6900	+64.286%	1	317	-95.652%
2026-02-03	0.4300	0.4300	0.4200	0.4200	-44.000%	2	318	-92.857%
2026-01-27	0.7400	0.7500	0.7400	0.7500	+7.143%	2	320	-96.000%
2026-01-21	0.7000	0.7000	0.7000	0.7000	-21.348%	10	318	-95.714%
2026-01-16	0.9300	0.9300	0.7500	0.8900	+11.250%	30	308	-96.629%
2026-01-14	0.8000	0.8000	0.8000	0.8000	+6.667%	1	308	-96.250%
2026-01-08	0.8300	0.8400	0.7500	0.7500	-6.250%	9	309	-96.000%
2026-01-06	0.8000	0.8000	0.8000	0.8000	-5.882%	1	318	-96.250%
2026-01-05	0.9000	0.9000	0.8500	0.8500	-9.574%	2	318	-96.471%
2025-12-31	0.9600	0.9600	0.9400	0.9400	+3.297%	3	318	-96.809%
2025-12-30	0.9100	0.9100	0.9100	0.9100	-5.208%	3	318	-96.703%
2025-12-26	0.9600	0.9600	0.9600	0.9600	-7.692%	7	318	-96.875%
2025-12-23	1.0000	1.0800	1.0000	1.0400	-1.887%	6	318	-97.115%
2025-12-22	1.0600	1.0600	1.0600	1.0600	-20.301%	12	313	-97.170%
2025-12-16	0.9800	1.3300	0.9800	1.3300	+7.258%	12	325	-97.744%
2025-12-15	1.2400	1.2400	1.2400	1.2400	-6.767%	12	324	-97.581%
2025-12-11	1.3500	1.3500	1.3300	1.3300	-8.904%	2	312	-97.744%
2025-12-10	1.4600	1.4600	1.4600	1.4600	+9.774%	2	310	-97.945%
2025-12-05	1.3100	1.3300	1.3100	1.3300	+9.917%	15	310	-97.744%
2025-12-03	1.2500	1.2500	1.2100	1.2100	-9.023%	3	307	-97.521%
2025-12-02	1.3000	1.3300	1.2600	1.3300	+6.400%	4	308	-97.744%
2025-11-26	1.2500	1.2500	1.2500	1.2500	-10.714%	1	310	-97.600%
2025-11-24	1.5600	1.5600	1.4000	1.4000	-3.448%	8	310	-97.857%
2025-11-21	1.6900	1.6900	1.4500	1.4500	-17.143%	3	315	-97.931%
2025-11-19	1.7200	1.7500	1.7200	1.7500	+0.575%	3	314	-98.286%
2025-11-18	1.8000	1.8000	1.7400	1.7400	-3.867%	5	314	-98.276%
2025-11-17	1.8600	1.8600	1.8100	1.8100	-3.209%	4	317	-98.343%
2025-11-14	1.8700	1.8700	1.8700	1.8700	+7.471%	2	317	-98.396%
2025-11-13	1.7400	1.7400	1.7400	1.7400	-13.000%	2	317	-98.276%
2025-11-12	2.0000	2.0000	2.0000	2.0000	-9.910%	1	321	-98.500%
2025-11-11	2.2200	2.2200	2.2200	2.2200	-11.905%	1	321	-98.649%
2025-11-10	2.5200	2.5200	2.5200	2.5200	-13.103%	5	321	-98.810%
2025-11-04	2.9000	2.9000	2.9000	2.9000	-1.695%	2	316	-98.966%
2025-11-03	2.8200	2.9500	2.8200	2.9500	0.000%	22	304	-98.983%
2025-10-30	2.9500	2.9500	2.9500	2.9500	+24.473%	1	304	-98.983%
2025-10-28	2.3700	2.3700	2.3700	2.3700	-10.566%	7	303	-98.734%
2025-10-20	2.5400	2.6500	2.5400	2.6500	-11.667%	40	303	-98.868%
2025-10-15	3.0500	3.0500	3.0000	3.0000	+5.263%	2	330	-99.000%
2025-10-10	2.8000	2.8500	2.8000	2.8500	+4.015%	5	329	-98.947%
2025-10-08	2.7400	2.7400	2.7400	2.7400	+10.484%	1	326	-98.905%
2025-10-02	2.3600	2.4800	2.3600	2.4800	+10.714%	2	327	-98.790%
2025-10-01	2.2400	2.2400	2.2400	2.2400	-31.077%	1	326	-98.661%
2025-09-30	3.6500	3.6500	3.2500	3.2500	-20.732%	3	326	-99.077%
2025-09-25	4.1000	4.1000	4.1000	4.1000	+16.147%	8	325	-99.268%
2025-09-19	3.5300	3.5300	3.5300	3.5300	-5.867%	4	325	-99.150%
2025-09-16	3.8200	3.8200	3.7200	3.7500	+17.188%	50	327	-99.200%
2025-08-25	3.2000	3.2000	3.2000	3.2000	+8.475%	20	326	-99.063%
2025-08-21	3.0100	3.0100	2.9500	2.9500	-11.940%	2	340	-98.983%
2025-08-20	3.3000	3.3500	3.3000	3.3500	+4.361%	10	339	-99.104%
2025-08-19	3.2000	3.2300	3.2000	3.2100	-25.349%	3	338	-99.065%
2025-08-07	4.3000	4.3000	4.3000	4.3000	-3.803%	4	339	-99.302%
2025-07-31	3.9500	4.4700	3.9500	4.4700	+17.942%	6	339	-99.329%
2025-07-30	3.6100	3.7900	3.6100	3.7900	+2.989%	6	344	-99.208%
2025-07-29	4.0000	4.1500	3.6800	3.6800	-0.541%	8	338	-99.185%
2025-07-24	3.7000	3.7000	3.7000	3.7000	-8.189%	3	333	-99.189%
2025-07-23	4.0200	4.0300	4.0200	4.0300	-0.494%	50	336	-99.256%
2025-07-09	4.0500	4.0500	4.0400	4.0500	-10.989%	160	286	-99.259%
2025-07-08	4.5500	4.5500	4.5500	4.5500	-5.208%	4	225	-99.341%
2025-07-07	4.6000	4.8000	4.6000	4.8000	+6.667%	11	225	-99.375%
2025-07-02	4.5000	4.5000	4.5000	4.5000	-16.667%	2	223	-99.333%
2025-06-30	5.4000	5.4000	5.4000	5.4000	-0.917%	1	225	-99.444%
2025-06-27	5.3500	5.4500	5.3500	5.4500	-7.627%	13	224	-99.450%
2025-06-17	5.8500	5.9000	5.8500	5.9000	+8.059%	5	224	-99.492%
2025-06-13	5.2000	5.4600	5.2000	5.4600	+8.549%	4	223	-99.451%
2025-06-10	5.0300	5.0300	5.0300	5.0300	-27.101%	1	223	-99.404%
2025-06-03	6.7500	6.9000	6.7500	6.9000	+5.828%	4	222	-99.565%
2025-05-27	6.5000	6.5500	6.5000	6.5200	-6.456%	164	222	-99.540%
2025-05-23	6.7200	6.9700	6.7200	6.9700	+2.651%	4	114	-99.570%
2025-05-22	6.5700	6.7900	6.5700	6.7900	+1.343%	2	114	-99.558%
2025-05-21	6.5500	6.7000	6.5500	6.7000	-5.634%	2	114	-99.552%
2025-05-14	7.1000	7.1000	7.1000	7.1000	+17.745%	40	114	-99.577%
2025-05-07	6.0300	6.0300	6.0300	6.0300	-0.822%	1	74	-99.502%
2025-05-06	6.0800	6.0800	6.0800	6.0800	+15.810%	1	75	-99.507%
2025-05-05	5.2400	5.3500	5.2400	5.2500	0.000%	16	74	-99.429%
2025-05-01	5.2500	5.2500	5.2500	5.2500	-15.186%	15	77	-99.429%
2025-04-24	5.9000	6.1900	5.9000	6.1900	-10.935%	2	83	-99.515%
2025-04-11	6.9500	6.9500	6.9500	6.9500	-2.113%	4	83	-99.568%
2025-04-10	7.1500	7.1500	7.1000	7.1000	+16.393%	25	85	-99.577%
2025-04-08	6.1000	6.1000	6.1000	6.1000	+12.963%	1	62	-99.508%
2025-04-07	7.4000	7.4000	5.4000	5.4000	+31.707%	3	61	-99.444%
2025-04-04	4.1000	4.1000	4.1000	4.1000	+32.258%	2	60	-99.268%
2025-03-28	3.1000	3.1000	3.1000	3.1000	-4.615%	4	60	-99.032%
2025-03-25	2.3900	3.2500	2.3900	3.2500	+25.000%	7	62	-99.077%
2025-03-24	2.6000	2.6000	2.6000	2.6000	+5.263%	1	61	-98.846%
2025-03-18	2.5000	2.5400	2.3200	2.4700	-2.756%	5	60	-98.785%
2025-03-07	2.4300	2.5400	2.4300	2.5400	+14.932%	4	61	-98.819%
2025-03-04	2.2100	2.2100	2.2100	2.2100	-22.456%	1	61	-98.643%
2025-03-03	2.8500	2.8500	2.8500	2.8500	-1.724%	1	62	-98.947%
2025-02-25	2.8000	2.9000	2.8000	2.9000	-6.149%	2	61	-98.966%
2025-02-24	2.8600	3.0900	2.8600	3.0900	-8.036%	2	61	-99.029%
2025-02-21	3.2000	3.3600	3.2000	3.3600	-13.846%	4	60	-99.107%
2025-02-19	3.9000	3.9000	3.9000	3.9000	-4.878%	2	59	-99.231%
2025-02-18	4.1000	4.1000	4.1000	4.1000	+1.235%	1	57	-99.268%
2025-02-14	3.8000	4.0500	3.8000	4.0500	+20.896%	4	55	-99.259%
2025-02-13	3.3500	3.3500	3.3500	3.3500	-1.471%	2	54	-99.104%
2025-02-12	3.4000	3.4000	3.4000	3.4000	+3.343%	1	54	-99.118%
2025-02-10	3.0800	3.2900	3.0800	3.2900	+21.852%	2	53	-99.088%
2025-02-05	2.7000	2.7000	2.7000	2.7000	-8.163%	10	53	-98.889%
2025-02-04	2.6000	2.9400	2.6000	2.9400	+43.415%	2	48	-98.980%
2025-02-03	1.9400	2.0500	1.9400	2.0500	-2.844%	2	48	-98.537%
2025-01-21	2.0000	2.1600	2.0000	2.1100	+3.431%	4	48	-98.578%
2025-01-14	1.9200	2.0400	1.9200	2.0400	-1.449%	2	46	-98.529%
2025-01-02	2.0700	2.0700	2.0700	2.0700	0.000%	2	46	-98.551%
2024-12-26	2.0700	2.0700	2.0700	2.0700	+6.701%	1	44	-98.551%
2024-12-18	1.9400	1.9400	1.9400	1.9400	-0.513%	2	44	-98.454%
2024-12-10	1.9500	1.9500	1.9500	1.9500	-4.412%	25	44	-98.462%
2024-11-04	2.0400	2.0400	2.0400	2.0400	+38.776%	10	59	-98.529%
2024-10-29	1.4700	1.4700	1.4700	1.4700	-21.390%	1	49	-97.959%
2024-10-25	1.8700	1.8700	1.8700	1.8700	+3.889%	2	48	-98.396%
2024-10-24	1.7300	1.8000	1.7300	1.8000	+4.651%	2	47	-98.333%
2024-10-03	1.7200	1.7200	1.7200	1.7200	+49.565%	1	45	-98.256%
2024-09-18	1.1500	1.1500	1.1500	1.1500	-14.815%	1	44	-97.391%
2024-08-27	1.3500	1.3500	1.3500	1.3500	+3.846%	1	45	-97.778%
2024-08-01	1.3000	1.3000	1.3000	1.3000	-2.985%	1	44	-97.692%
2024-07-31	1.1000	1.3400	1.1000	1.3400	+21.818%	40	43	-97.761%
2024-07-30	1.0000	1.1000	1.0000	1.1000	+15.789%	2	3	-97.273%
2024-07-18	0.9500	0.9500	0.9500	0.9500	-5.000%	1	3	-96.842%
2024-06-06	1.0000	1.0000	1.0000	1.0000	-33.333%	1	2	-97.000%
2024-04-25	1.5000	1.5000	1.5000	1.5000	0.000%	1	1	-98.000%