MRK gamma levels history

From the closing options book · October 20, 2026 · updated after every close

MRK's closing gamma levels for 260 sessions to October 20, 2026: call wall, put wall, apex, gamma flip, net gamma and implied volatility. The full record back to the first recorded session is a free CSV download.

260

Sessions

0/60

Short gamma

last 60 sessions

150

Call wall

135

Put wall

MRK net gamma, last 60 sessions

Jul 28Oct 20

MRK closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	148.30	150	135	150	149.5	+$16.7M	42.1%
Oct 19	143.63	150	135	135	151.25	+$7.3M	40.7%
Oct 16	145.95	160	135	135	149.5	+$11.3M	40.1%
Oct 15	145.19	150	143	150	144.5	+$23.8M	42.6%
Oct 14	147.37	150	144	150	144.5	+$32.3M	36.7%
Oct 13	141.98	145	137	145	144.5	+$16.9M	37.1%
Oct 12	145.45	150	130	150	144.5	+$23.6M	35.2%
Oct 9	145.60	150	130	150	144.5	+$23.2M	29.8%
Oct 8	142.38	150	130	150	144.5	+$19.0M	32.8%
Oct 7	142.79	150	137	150	144.5	+$20.7M	33.0%
Oct 6	141.94	150	130	150	144.5	+$17.7M	29.5%
Oct 5	139.54	150	143	150	149.5	+$9.2M	29.0%
Oct 2	144.30	150	135	150	149.5	+$14.5M	27.8%
Oct 1	143.81	150	143	150	158.75	+$5.2M	28.4%
Sep 30	145.31	150	143	150	153.75	+$7.7M	32.6%
Sep 29	149.28	155	143	155	149.5	+$21.1M	29.7%
Sep 28	148.69	155	143	155	149.5	+$19.0M	30.2%
Sep 25	148.78	155	143	155	149.5	+$17.8M	28.5%
Sep 24	147.98	155	148	155	153.75	+$14.5M	31.1%
Sep 23	148.08	155	148	155	149.5	+$14.7M	28.5%
Sep 22	150.91	155	148	155	149.5	+$20.3M	—
Sep 21	149.50	155	148	155	145.5	+$14.0M	27.0%
Sep 18	146.87	150	148	150	145.5	+$10.5M	26.1%
Sep 17	147.15	150	146	150	144.5	+$36.6M	27.1%
Sep 16	144.91	145	146	145	144.5	+$29.9M	27.0%
Sep 15	143.79	145	142	145	144.5	+$25.8M	28.7%
Sep 14	144.85	145	130	145	139.5	+$41.9M	30.2%
Sep 11	143.93	140	146	140	139.5	+$38.8M	27.8%
Sep 10	144.71	140	147	140	139.5	+$27.8M	31.3%
Sep 9	147.53	165	146	165	—	+$32.0M	30.6%
Sep 8	148.46	165	146	165	—	+$36.3M	28.8%
Sep 4	150.33	165	140	165	144.5	+$32.5M	25.8%
Sep 3	152.34	165	140	165	144.5	+$40.7M	25.5%
Sep 2	151.64	165	146	165	139.5	+$44.9M	—
Sep 1	149.86	165	146	165	139.5	+$40.4M	30.4%
Aug 31	147.76	165	146	165	—	+$38.8M	27.2%
Aug 28	148.35	165	146	165	139.5	+$36.5M	26.4%
Aug 27	149.54	165	148	165	—	+$44.7M	28.0%
Aug 26	153.10	165	148	165	135	+$54.7M	27.9%
Aug 25	156.45	165	148	165	130	+$49.3M	—
Aug 24	150.66	165	148	165	130	+$32.9M	30.1%
Aug 21	152.55	140	125	140	124	+$21.7M	29.3%
Aug 20	148.99	140	148	140	125	+$38.8M	—
Aug 19	152.20	145	122	145	127	+$27.0M	—
Aug 18	135.17	140	133	140	130	+$49.3M	26.4%
Aug 17	135.97	140	120	140	130	+$47.7M	30.1%
Aug 14	135.84	140	120	140	130	+$43.0M	24.1%
Aug 13	135.55	135	128	135	130	+$31.6M	25.0%
Aug 12	132.92	135	128	135	130	+$30.4M	26.3%
Aug 11	130.42	130	120	130	130	+$24.3M	25.3%
Aug 10	130.92	130	120	130	130	+$19.9M	26.8%
Aug 7	128.58	130	120	130	130	+$15.2M	25.1%
Aug 6	128.37	130	127	130	132	+$12.4M	28.6%
Aug 5	128.33	130	120	130	132	+$11.9M	30.2%
Aug 4	128.00	140	120	140	132	+$10.4M	32.6%
Aug 3	127.77	140	120	140	131	+$9.2M	37.5%
Jul 31	130.20	140	120	140	130	+$10.6M	35.0%
Jul 30	129.79	140	120	140	132	+$12.8M	37.5%
Jul 29	130.36	140	120	140	130	+$16.6M	37.1%
Jul 28	131.82	140	120	140	130	+$18.0M	33.4%
Jul 27	130.76	140	120	140	128	+$15.4M	33.8%
Jul 24	131.07	140	120	140	128	+$15.1M	32.2%
Jul 23	130.48	132	120	132	128	+$50.1M	33.9%
Jul 22	127.47	130	120	130	128	+$17.1M	34.4%
Jul 21	126.26	130	120	130	128	+$12.5M	34.4%
Jul 20	124.40	135	120	135	129	+$9.0M	33.2%
Jul 17	127.50	135	120	135	128	+$10.9M	28.6%
Jul 16	127.63	130	120	130	125	+$20.6M	31.4%
Jul 15	123.61	125	122	125	125	+$15.3M	32.5%
Jul 14	120.78	125	122	125	120	+$9.4M	32.6%
Jul 13	124.03	125	122	125	120	+$14.4M	30.3%
Jul 10	123.54	125	122	125	120	+$12.7M	26.7%
Jul 9	125.07	130	122	130	120	+$15.1M	28.8%
Jul 8	125.99	130	122	130	120	+$18.2M	29.1%
Jul 7	128.86	130	115	130	125	+$18.7M	28.3%
Jul 6	126.78	130	115	130	120	+$16.9M	31.2%
Jul 2	129.56	130	115	130	125	+$16.2M	26.9%
Jul 1	125.37	125	115	125	120	+$16.0M	28.5%
Jun 30	128.50	130	122	130	120	+$19.7M	27.1%
Jun 29	129.38	130	110	130	120	+$19.7M	27.4%
Jun 26	128.66	125	115	125	125	+$16.2M	24.3%
Jun 25	125.45	125	110	125	120	+$22.4M	28.1%
Jun 24	120.60	125	110	125	119	+$18.7M	28.2%
Jun 23	119.60	125	110	125	120	+$12.1M	29.8%
Jun 22	115.48	125	110	125	125	+$3.4M	29.6%
Jun 18	113.87	130	113	113	131	+$45K	28.1%
Jun 17	115.44	120	110	120	125	+$4.1M	29.9%
Jun 16	115.17	120	110	120	125	+$4.0M	30.2%
Jun 15	114.90	120	110	120	125	+$3.0M	31.6%
Jun 12	119.05	120	110	120	117	+$33.2M	31.6%
Jun 11	120.76	125	110	125	120	+$42.2M	28.8%
Jun 10	119.09	125	110	125	120	+$29.5M	34.5%
Jun 9	119.60	125	110	125	119	+$33.0M	32.3%
Jun 8	119.52	125	110	125	120	+$29.9M	33.2%
Jun 5	120.79	125	110	125	119	+$31.2M	29.2%
Jun 4	120.26	125	110	125	120	+$35.0M	30.8%
Jun 3	114.70	120	110	120	120	+$17.0M	32.0%
Jun 2	115.65	120	110	120	120	+$18.0M	32.5%
Jun 1	115.17	120	105	120	120	+$17.5M	34.9%
May 29	118.72	125	100	125	120	+$22.8M	34.1%
May 28	119.89	125	110	125	118	+$25.5M	33.6%
May 27	120.24	125	110	125	119	+$25.1M	33.1%
May 26	119.72	125	110	125	118	+$23.4M	35.0%
May 22	122.41	125	100	125	118	+$21.8M	29.5%
May 21	115.88	125	100	125	115	+$21.1M	30.6%
May 20	113.00	125	110	125	115	+$15.1M	31.2%
May 19	114.24	125	110	125	115	+$16.1M	31.4%
May 18	112.56	125	110	125	120	+$10.5M	30.5%
May 15	111.38	125	110	125	120	+$6.6M	26.1%
May 14	113.41	115	110	115	121	+$3.7M	29.6%
May 13	113.45	115	110	110	126	+$1.4M	30.7%
May 12	112.37	120	110	110	—	−$1.7M	32.2%
May 11	111.28	120	110	110	—	−$3.2M	32.2%
May 8	111.38	120	110	110	—	−$2.9M	27.2%
May 7	112.30	112	110	112	117	+$8.1M	26.7%
May 6	113.56	112	110	112	115	+$13.8M	27.3%
May 5	113.15	118	110	118	116	+$11.8M	30.0%
May 4	113.11	118	110	118	116	+$11.7M	30.6%
May 1	112.16	112	110	112	117	+$8.1M	29.6%
Apr 30	109.18	112	110	112	120	+$3.3M	31.2%

These are the October 20, 2026 closing numbers. Members see MRK's map move live all session.

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Common questions

Where can I download MRK gamma history?

The CSV on this page has every recorded MRK session: call wall, put wall, apex, flip, net gamma, ATM IV and max pain.

How often is MRK in short gamma?

0 of the last 60 sessions closed with dealers net short gamma.

Compare: gamma levels history on other tickers

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Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.