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MRK20260918P115
MRK Sep 18 2026 115.00 Put (MRK260918P00115000)
option OPRA

EOD

Sep 3, 2026

0.0100-80.000%(-0.0400)4

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-03	0.0500	0.0500	0.0100	0.0100	-80.000%	4	2,116	0.000%
2026-08-31	0.0500	0.0500	0.0500	0.0500	-16.667%	1	2,119	-80.000%
2026-08-27	0.0600	0.0600	0.0600	0.0600	+100.000%	1	2,120	-83.333%
2026-08-26	0.0200	0.0300	0.0200	0.0300	+200.000%	6	2,121	-66.667%
2026-08-24	0.0200	0.0400	0.0100	0.0100	-80.000%	18	2,127	0.000%
2026-08-20	0.0800	0.1100	0.0500	0.0500	0.000%	4	2,143	-80.000%
2026-08-19	0.1600	0.1600	0.0200	0.0500	-66.667%	89	2,146	-80.000%
2026-08-18	0.1300	0.1500	0.1100	0.1500	-6.250%	7	2,181	-93.333%
2026-08-17	0.1500	0.1800	0.1100	0.1600	-5.882%	65	2,195	-93.750%
2026-08-14	0.2900	0.2900	0.1700	0.1700	-15.000%	69	2,203	-94.118%
2026-08-13	0.3300	0.3300	0.1900	0.2000	-28.571%	700	2,208	-95.000%
2026-08-12	0.5300	0.5300	0.2700	0.2800	-40.426%	184	2,632	-96.429%
2026-08-11	0.4700	0.5800	0.3800	0.4700	-6.000%	42	2,666	-97.872%
2026-08-10	0.8700	0.8700	0.4700	0.5000	-36.709%	795	2,671	-98.000%
2026-08-07	0.9700	1.0500	0.7700	0.7900	-17.708%	109	2,260	-98.734%
2026-08-06	0.8700	0.9900	0.8400	0.9600	-6.796%	114	2,240	-98.958%
2026-08-05	1.0000	1.2500	0.8000	1.0300	-11.966%	163	2,295	-99.029%
2026-08-04	1.1400	1.3100	1.0000	1.1700	-22.000%	100	2,271	-99.145%
2026-08-03	1.2800	1.6700	1.2800	1.5000	+47.059%	106	2,263	-99.333%
2026-07-31	1.2400	1.2800	0.9900	1.0200	-26.619%	127	2,285	-99.020%
2026-07-30	1.5600	1.5600	1.3900	1.3900	+18.803%	25	2,264	-99.281%
2026-07-29	1.1800	1.3700	1.1700	1.1700	+9.346%	50	2,242	-99.145%
2026-07-28	0.9700	1.1300	0.9000	1.0700	-14.400%	7	2,209	-99.065%
2026-07-27	2.0200	2.0200	1.0600	1.2500	-13.793%	85	2,211	-99.200%
2026-07-24	1.4000	1.4600	1.2000	1.4500	-5.844%	173	2,202	-99.310%
2026-07-23	1.4600	1.5800	1.4200	1.5400	-23.383%	53	2,222	-99.351%
2026-07-22	2.0000	2.0100	1.8200	2.0100	-9.459%	74	2,193	-99.502%
2026-07-21	2.2000	2.3900	2.2000	2.2200	-16.226%	36	2,144	-99.550%
2026-07-20	2.0400	2.6500	2.0400	2.6500	+29.268%	87	2,139	-99.623%
2026-07-17	1.5200	2.0800	1.4300	2.0500	+2.500%	134	2,127	-99.512%
2026-07-16	2.6900	2.6900	1.8600	2.0000	-31.034%	12	2,122	-99.500%
2026-07-15	3.1600	3.1600	2.8700	2.9000	-26.582%	33	2,117	-99.655%
2026-07-14	3.4500	4.0100	3.4000	3.9500	+31.667%	163	2,105	-99.747%
2026-07-13	3.1000	3.2500	2.9500	3.0000	-2.280%	54	2,032	-99.667%
2026-07-10	3.0100	3.1900	3.0000	3.0700	+9.643%	37	2,040	-99.674%
2026-07-09	2.8300	2.9500	2.7400	2.8000	+8.527%	40	2,011	-99.643%
2026-07-08	2.4100	2.6600	2.4100	2.5800	+20.000%	52	2,022	-99.612%
2026-07-07	2.1400	2.1500	1.9800	2.1500	-12.955%	26	2,018	-99.535%
2026-07-06	2.4400	2.6000	2.4400	2.4700	+6.466%	39	2,021	-99.595%
2026-07-02	2.5000	2.5000	2.1700	2.3200	-22.148%	42	2,007	-99.569%
2026-07-01	2.3200	2.9800	2.3200	2.9800	+36.073%	24	2,007	-99.664%
2026-06-30	2.0800	2.3900	2.0800	2.1900	+8.416%	35	2,012	-99.543%
2026-06-29	2.3100	2.3100	2.0000	2.0200	-18.219%	243	2,005	-99.505%
2026-06-26	2.7500	2.7500	2.2800	2.4700	-19.016%	393	1,909	-99.595%
2026-06-25	3.9500	3.9500	2.9300	3.0500	-29.885%	50	1,842	-99.672%
2026-06-24	4.0500	4.5500	4.0500	4.3500	-13.000%	134	1,825	-99.770%
2026-06-23	5.2800	5.4000	5.0000	5.0000	-23.077%	40	1,720	-99.800%
2026-06-22	7.3000	7.3000	6.4500	6.5000	-10.959%	21	1,704	-99.846%
2026-06-18	7.8500	8.3000	7.2000	7.3000	+6.569%	36	1,688	-99.863%
2026-06-17	6.5000	6.8500	6.4500	6.8500	-0.725%	71	1,688	-99.854%
2026-06-16	6.9000	7.0800	6.7000	6.9000	+4.545%	10	1,688	-99.855%
2026-06-15	6.1500	6.9000	6.1500	6.6000	+20.219%	23	1,686	-99.848%
2026-06-12	5.3500	5.5000	5.2000	5.4900	+16.809%	28	1,671	-99.818%
2026-06-11	5.4000	5.4000	4.7000	4.7000	-25.397%	48	1,644	-99.787%
2026-06-10	6.2000	6.4500	5.9500	6.3000	+11.504%	9	1,622	-99.841%
2026-06-09	6.1000	6.1000	5.6500	5.6500	-6.766%	8	1,614	-99.823%
2026-06-08	5.1000	6.0600	5.1000	6.0600	+14.556%	26	1,606	-99.835%
2026-06-05	4.8500	5.2900	4.7000	5.2900	-5.536%	40	1,605	-99.811%
2026-06-04	5.9000	6.2500	5.6000	5.6000	-28.205%	97	1,569	-99.821%
2026-06-03	7.2500	7.8000	7.2000	7.8000	+4.698%	27	1,566	-99.872%
2026-06-02	7.3000	7.4500	7.3000	7.4500	-3.247%	4	1,539	-99.866%
2026-06-01	7.9000	8.2000	7.6200	7.7000	+26.230%	54	1,535	-99.870%
2026-05-29	5.8500	6.3500	5.8500	6.1000	+1.667%	65	1,512	-99.836%
2026-05-28	5.7000	6.0000	5.6000	6.0000	+5.263%	107	1,501	-99.833%
2026-05-27	5.5000	5.8500	5.4300	5.7000	-6.557%	70	1,481	-99.825%
2026-05-26	5.7000	6.1000	5.6500	6.1000	+15.094%	22	1,459	-99.836%
2026-05-22	5.3000	5.5500	5.3000	5.3000	-27.397%	36	1,460	-99.811%
2026-05-21	8.1000	8.2500	7.3000	7.3000	-16.856%	42	1,455	-99.863%
2026-05-20	8.7500	8.8200	8.7500	8.7800	+7.730%	27	1,455	-99.886%
2026-05-19	8.0500	8.2000	8.0500	8.1500	-8.939%	11	1,385	-99.877%
2026-05-18	9.5500	9.5500	8.9500	8.9500	-9.137%	7	1,385	-99.888%
2026-05-15	9.7000	9.8500	9.7000	9.8500	+10.056%	21	1,385	-99.898%
2026-05-12	9.6000	9.6000	8.9500	8.9500	-5.291%	11	1,398	-99.888%
2026-05-11	9.0000	9.5500	9.0000	9.4500	-1.047%	4	1,398	-99.894%
2026-05-08	9.5500	9.5500	9.5500	9.5500	-3.046%	3	1,390	-99.895%
2026-05-07	9.8500	9.8500	9.8500	9.8500	+11.932%	3	1,387	-99.898%
2026-05-06	8.7500	8.9000	8.7500	8.8000	-3.825%	63	1,404	-99.886%
2026-05-05	9.1000	9.1500	9.0500	9.1500	+1.105%	11	1,347	-99.891%
2026-05-04	9.0500	9.0500	9.0500	9.0500	-2.688%	7	1,347	-99.890%
2026-05-01	9.2000	9.3000	9.2000	9.3000	-14.286%	3	1,342	-99.892%
2026-04-30	10.3000	11.0000	10.3000	10.8500	+1.878%	14	1,342	-99.908%
2026-04-29	11.8500	11.8500	10.6500	10.6500	-1.389%	3	1,337	-99.906%
2026-04-28	10.4000	10.8000	10.4000	10.8000	-3.743%	9	1,337	-99.907%
2026-04-27	10.4000	11.2200	10.4000	11.2200	+8.406%	69	1,334	-99.911%
2026-04-24	10.3500	10.3500	10.3500	10.3500	+14.365%	1	1,332	-99.903%
2026-04-23	9.2000	9.4000	9.0500	9.0500	-9.950%	43	1,333	-99.890%
2026-04-22	9.7500	10.3500	9.7500	10.0500	-0.985%	42	1,342	-99.900%
2026-04-21	9.0000	10.4000	9.0000	10.1500	+29.630%	66	1,265	-99.901%
2026-04-20	7.2000	7.8300	7.1500	7.8300	+9.510%	20	1,265	-99.872%
2026-04-17	7.6000	7.6000	7.1500	7.1500	-16.374%	24	1,263	-99.860%
2026-04-16	7.7000	8.5500	7.7000	8.5500	+9.195%	21	1,253	-99.883%
2026-04-15	7.3000	7.8300	7.3000	7.8300	+11.064%	20	1,255	-99.872%
2026-04-14	6.9000	7.0500	6.9000	7.0500	-1.399%	2	1,273	-99.858%
2026-04-13	7.1000	7.1500	7.1000	7.1500	+8.333%	2	1,273	-99.860%
2026-04-10	6.5500	6.8000	6.5500	6.6000	+5.096%	15	1,271	-99.848%
2026-04-09	6.2500	6.4500	6.1000	6.2800	+1.290%	108	1,263	-99.841%
2026-04-08	7.7500	7.7500	6.2000	6.2000	-24.848%	101	1,199	-99.839%
2026-04-07	8.3000	8.3000	8.2000	8.2500	+10.000%	14	1,116	-99.879%
2026-04-06	7.4500	7.7000	7.2500	7.5000	-6.832%	62	1,102	-99.867%
2026-04-02	7.4000	8.0500	7.4000	8.0500	+6.623%	16	1,033	-99.876%
2026-04-01	7.3500	7.6000	7.1500	7.5500	-5.625%	40	1,033	-99.868%
2026-03-31	7.8500	8.3000	7.8000	8.0000	-10.112%	69	1,008	-99.875%
2026-03-30	7.8000	9.2000	7.7000	8.9000	+9.877%	68	990	-99.888%
2026-03-27	8.2000	8.3500	7.9000	8.1000	-1.220%	90	922	-99.877%
2026-03-26	8.0500	8.2500	7.8000	8.2000	+2.500%	95	845	-99.878%
2026-03-25	8.6000	8.6000	7.7500	8.0000	-14.439%	132	756	-99.875%
2026-03-24	9.4500	9.8000	9.3000	9.3500	-2.604%	94	653	-99.893%
2026-03-23	9.8500	9.8500	9.2500	9.6000	-11.111%	79	563	-99.896%
2026-03-20	10.9000	10.9000	10.8000	10.8000	+1.887%	9	502	-99.907%
2026-03-19	10.5000	10.6000	10.5000	10.6000	+0.474%	3	494	-99.906%
2026-03-18	9.9000	10.6000	9.9000	10.5500	+11.053%	42	491	-99.905%
2026-03-17	9.7000	9.7500	9.2500	9.5000	-5.473%	71	476	-99.895%
2026-03-16	10.1000	10.1000	9.9500	10.0500	+1.515%	9	430	-99.900%
2026-03-13	9.9500	10.0500	9.8500	9.9000	-2.463%	50	426	-99.899%
2026-03-12	10.6000	10.8500	10.1500	10.1500	+2.525%	25	420	-99.901%
2026-03-11	9.9500	10.2500	9.6500	9.9000	+5.319%	93	404	-99.899%
2026-03-10	9.7500	9.7500	8.9500	9.4000	-9.615%	39	348	-99.894%
2026-03-09	10.7000	10.7000	10.4000	10.4000	-1.794%	19	329	-99.904%
2026-03-06	10.8500	11.1000	10.5900	10.5900	-0.094%	35	315	-99.906%
2026-03-05	9.6500	10.9500	9.5500	10.6000	+25.444%	61	298	-99.906%
2026-03-04	9.0500	9.1000	8.3000	8.4500	+1.198%	44	280	-99.882%
2026-03-03	8.3500	8.3500	8.3500	8.3500	+7.051%	18	269	-99.880%
2026-03-02	7.7000	7.8000	7.7000	7.8000	+6.849%	8	287	-99.872%
2026-02-27	7.9000	8.1500	7.2500	7.3000	-11.515%	48	283	-99.863%
2026-02-26	8.1000	8.5000	8.1000	8.2500	+12.705%	26	272	-99.879%
2026-02-25	7.3200	7.3200	7.3200	7.3200	+0.274%	1	274	-99.863%
2026-02-23	7.2500	7.3000	7.2500	7.3000	-7.006%	11	274	-99.863%
2026-02-20	7.8500	7.8500	7.8500	7.8500	+0.641%	17	274	-99.873%
2026-02-19	7.6400	7.8000	7.6400	7.8000	-3.106%	7	274	-99.872%
2026-02-18	8.0500	8.0500	8.0500	8.0500	+5.921%	1	275	-99.876%
2026-02-17	7.7800	7.7800	7.6000	7.6000	-1.299%	3	275	-99.868%
2026-02-13	7.8500	7.8500	7.7000	7.7000	-4.938%	6	275	-99.870%
2026-02-12	8.0500	8.1500	8.0500	8.1000	-12.148%	11	275	-99.877%
2026-02-11	9.2200	9.2200	9.2200	9.2200	-1.390%	1	272	-99.892%
2026-02-09	9.3500	9.3500	9.3500	9.3500	+18.354%	2	273	-99.893%
2026-02-06	8.2300	8.2300	7.9000	7.9000	-4.819%	5	273	-99.873%
2026-02-05	7.7500	8.4000	7.7500	8.3000	+3.750%	34	268	-99.880%
2026-02-04	8.0000	8.2500	8.0000	8.0000	-35.743%	281	284	-99.875%
2026-01-14	12.4500	12.4500	12.4500	12.4500	-3.113%	1	10	-99.920%
2026-01-12	12.8500	12.8500	12.8500	12.8500	+0.391%	3	11	-99.922%
2026-01-06	12.8000	12.8000	12.8000	12.8000	-13.514%	2	8	-99.922%
2025-12-31	14.8000	14.8000	14.8000	14.8000	-59.596%	4	2	-99.932%
2025-09-26	36.4700	36.6300	36.4700	36.6300	+8.824%	2	2	-99.973%
2025-09-22	33.4700	33.6600	33.4700	33.6600	+5.749%	2	2	-99.970%
2025-07-11	31.8300	31.8300	31.8300	31.8300	0.000%	1	1	-99.969%