GM gamma levels history

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

GM'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

10/60

Short gamma

last 60 sessions

Call wall

Put wall

GM net gamma, last 60 sessions

Jul 28Oct 20

GM closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	77.09	80	78	78	—	−$4.2M	34.6%
Oct 19	82.75	80	79	80	83.5	+$2.3M	44.2%
Oct 16	83.96	80	79	80	82.75	+$2.5M	50.4%
Oct 15	83.66	81	82.5	81	86.5	+$2.2M	41.0%
Oct 14	83.05	81	80	81	85.5	+$2.5M	46.0%
Oct 13	84.00	81	82.5	81	85.5	+$2.9M	46.5%
Oct 12	82.37	81	82.5	81	85.5	+$1.9M	40.0%
Oct 9	82.73	81	79	81	82.75	+$2.5M	39.9%
Oct 8	82.25	83	80	83	85.5	+$2.3M	41.5%
Oct 7	80.99	81	78	81	82.75	+$3.1M	42.1%
Oct 6	82.01	81	75	81	82.75	+$2.7M	40.3%
Oct 5	80.23	81	75	81	89.5	+$491K	40.5%
Oct 2	78.27	81	75	81	—	−$200K	39.9%
Oct 1	79.31	81	75	81	90.5	+$330K	37.6%
Sep 30	77.00	83	80	80	—	−$1.5M	38.7%
Sep 29	80.47	83	80	80	—	−$709K	—
Sep 28	80.64	83	80	80	—	−$291K	36.6%
Sep 25	82.63	90	80	80	94.5	+$331K	34.3%
Sep 24	80.57	86	80	80	—	−$4.5M	—
Sep 23	83.77	86	83	83	—	−$1.1M	33.7%
Sep 22	83.45	86	83	83	—	−$1.9M	—
Sep 21	83.95	90	83	83	—	−$1.8M	36.1%
Sep 18	82.20	90	83	83	—	−$2.2M	33.6%
Sep 17	86.62	90	80	90	87.25	+$12.6M	31.1%
Sep 16	84.29	90	80	90	89.5	+$3.2M	34.9%
Sep 15	85.37	90	80	90	89.5	+$7.4M	33.9%
Sep 14	87.16	90	83	90	89.5	+$10.8M	33.0%
Sep 11	85.62	90	80	90	89.5	+$8.3M	31.9%
Sep 10	86.12	90	80	90	89.5	+$8.3M	34.2%
Sep 9	83.76	90	82	90	89.5	+$5.1M	36.0%
Sep 8	85.79	90	82	90	88.5	+$9.4M	34.3%
Sep 4	87.76	90	80	90	87.25	+$12.2M	28.8%
Sep 3	87.22	89	80	89	86.5	+$22.4M	30.4%
Sep 2	84.87	90	84	90	88.5	+$10.5M	31.0%
Sep 1	85.63	90	84	90	87.25	+$14.1M	32.4%
Aug 31	86.32	90	75	90	87.75	+$14.9M	30.3%
Aug 28	86.27	90	75	90	88.5	+$14.8M	29.9%
Aug 27	86.18	90	84	90	87.25	+$15.8M	31.6%
Aug 26	86.33	90	82	90	87	+$16.3M	31.9%
Aug 25	85.81	90	82	90	87	+$14.8M	31.9%
Aug 24	86.98	90	75	90	85	+$12.9M	33.2%
Aug 21	87.93	90	75	90	85	+$12.7M	31.1%
Aug 20	86.15	90	84	84	87.5	+$11.9M	32.1%
Aug 19	84.96	90	84	90	87.5	+$10.9M	31.4%
Aug 18	83.71	90	84	90	87.5	+$8.4M	31.3%
Aug 17	84.37	90	84	90	85	+$10.7M	32.2%
Aug 14	86.77	90	75	90	85	+$13.2M	28.3%
Aug 13	86.39	87.5	88	87.5	85	+$4.3M	30.9%
Aug 12	86.76	90	88	90	82.5	+$4.7M	31.2%
Aug 11	89.35	90	88	90	85	+$5.5M	33.0%
Aug 10	87.96	85	88	85	73	+$4.2M	34.0%
Aug 7	87.58	85	86	85	85	+$3.9M	32.1%
Aug 6	86.94	85	86	85	82.5	+$5.6M	34.3%
Aug 5	89.16	85	86	85	73	+$5.1M	34.3%
Aug 4	88.31	85	88	85	85	+$4.1M	36.3%
Aug 3	87.68	85	88	85	73	+$3.8M	35.2%
Jul 31	88.86	85	88	85	83	+$3.9M	34.7%
Jul 30	88.40	85	78	85	85	+$5.0M	35.6%
Jul 29	89.40	85	78	85	85	+$6.7M	36.2%
Jul 28	90.30	85	74	85	82.5	+$6.6M	39.8%
Jul 27	87.04	85	78	85	85	+$3.0M	37.1%
Jul 24	82.64	80	78	80	82.5	+$2.8M	34.3%
Jul 23	80.67	80	74	80	80	+$9.4M	36.7%
Jul 22	82.13	80	74	80	80	+$12.3M	35.3%
Jul 21	79.52	80	74	80	80	+$9.4M	—
Jul 20	75.80	80	74	80	80	+$2.1M	54.9%
Jul 17	76.07	80	74	80	80	+$2.1M	49.6%
Jul 16	77.72	80	75	80	80	+$8.1M	45.2%
Jul 15	77.64	80	75	80	80	+$5.7M	43.0%
Jul 14	76.87	80	75	80	82	+$4.0M	48.5%
Jul 13	76.72	80	75	80	82.5	+$4.4M	44.7%
Jul 10	77.85	85	75	85	82.5	+$5.1M	41.7%
Jul 9	76.65	85	75	75	84	+$4.0M	42.5%
Jul 8	76.24	80	75	80	84	+$3.7M	41.8%
Jul 7	76.03	85	75	85	85	+$3.1M	41.8%
Jul 6	77.85	85	75	85	82.5	+$5.8M	37.2%
Jul 2	76.00	85	75	85	86	+$1.4M	42.0%
Jul 1	75.52	85	75	75	65	−$331K	—
Jun 30	77.08	85	80	85	90	+$1.4M	35.2%
Jun 29	77.34	85	75	85	65	+$3.7M	36.6%
Jun 26	78.10	85	80	85	85	+$2.6M	34.0%
Jun 25	78.53	85	80	85	65	+$2.6M	—
Jun 24	78.95	85	80	85	65	+$3.6M	37.3%
Jun 23	78.95	85	80	85	65	+$3.5M	39.8%
Jun 22	80.43	85	80	85	85	+$6.0M	—
Jun 18	79.29	85	80	80	74	−$198K	34.8%
Jun 17	79.58	85	78	85	65	+$15.2M	—
Jun 16	82.51	85	82	85	85	+$22.8M	48.6%
Jun 15	84.07	85	80	85	85	+$26.7M	35.2%
Jun 12	81.50	85	72.5	85	80	+$20.9M	—
Jun 11	80.85	85	78	85	85	+$16.2M	42.2%
Jun 10	79.40	85	76	85	85	+$14.0M	—
Jun 9	83.76	85	72.5	85	83	+$21.6M	42.0%
Jun 8	83.77	85	72.5	85	80	+$21.5M	39.9%
Jun 5	82.11	85	72.5	85	80	+$17.4M	37.6%
Jun 4	83.22	85	76	85	81	+$22.2M	39.2%
Jun 3	81.70	85	76	85	80	+$18.3M	38.1%
Jun 2	81.73	85	76	85	81	+$17.0M	38.9%
Jun 1	82.68	85	76	85	80	+$17.7M	39.6%
May 29	83.24	85	76	85	80	+$18.5M	37.5%
May 28	84.35	85	72.5	85	77.5	+$23.6M	37.3%
May 27	84.12	85	76	85	80	+$20.2M	40.3%
May 26	79.79	85	72.5	85	77	+$17.2M	40.6%
May 22	78.79	85	72.5	85	77	+$15.7M	35.2%
May 21	77.21	85	67.5	85	77	+$17.5M	36.2%
May 20	76.14	85	70	85	77	+$13.7M	38.2%
May 19	72.63	85	67.5	85	80	+$4.6M	36.5%
May 18	73.10	85	67.5	85	67	+$6.7M	38.1%
May 15	74.86	85	67.5	85	67	+$9.2M	35.4%
May 14	77.75	80	74	80	78	+$12.0M	38.5%
May 13	75.81	80	75	80	78	+$6.0M	36.0%
May 12	76.44	80	70	80	78	+$7.1M	—
May 11	75.29	80	70	80	80	+$4.3M	35.2%
May 8	78.80	80	70	80	78	+$9.5M	32.9%
May 7	78.41	80	70	80	78	+$14.5M	—
May 6	78.70	80	70	80	78	+$14.0M	34.6%
May 5	76.15	80	70	80	79	+$7.4M	34.3%
May 4	75.70	80	70	80	79	+$6.1M	35.6%
May 1	75.77	80	70	80	80	+$4.3M	34.5%
Apr 30	76.89	80	75	80	81	+$3.3M	37.3%

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

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Common questions

Where can I download GM gamma history?

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

How often is GM in short gamma?

10 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.