CMI gamma levels history

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

CMI'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

59/60

Short gamma

last 60 sessions

590

Call wall

510

Put wall

CMI net gamma, last 60 sessions

Jul 28Oct 20

CMI closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	536.22	590	510	510	—	−$849K	—
Oct 19	522.13	590	510	510	—	−$1.3M	41.6%
Oct 16	531.33	590	510	510	—	−$1.1M	41.9%
Oct 15	532.73	560	530	530	—	−$1.5M	—
Oct 14	525.96	520	530	530	—	−$847K	—
Oct 13	529.35	560	530	530	—	−$275K	36.9%
Oct 12	527.86	520	530	530	—	−$20K	32.2%
Oct 9	523.39	520	530	530	—	−$639K	—
Oct 8	520.40	520	530	530	—	−$387K	33.2%
Oct 7	517.32	520	530	530	—	−$822K	—
Oct 6	535.31	560	530	530	595	+$513K	—
Oct 5	523.37	520	530	530	—	−$905K	—
Oct 2	528.32	560	530	530	—	−$1.1M	29.7%
Oct 1	517.00	560	530	530	—	−$2.0M	—
Sep 30	516.57	560	530	530	—	−$2.1M	—
Sep 29	521.37	560	530	530	—	−$1.9M	32.1%
Sep 28	517.84	560	530	530	—	−$2.0M	32.7%
Sep 25	525.06	580	530	530	—	−$3.3M	—
Sep 24	521.07	580	530	530	—	−$3.0M	32.7%
Sep 23	524.65	580	530	530	—	−$3.0M	—
Sep 22	526.13	580	530	530	—	−$3.3M	—
Sep 21	534.78	590	540	540	—	−$3.1M	—
Sep 18	532.23	580	540	540	—	−$3.2M	31.7%
Sep 17	523.88	560	530	530	—	−$8.0M	—
Sep 16	527.50	560	530	530	—	−$8.1M	38.5%
Sep 15	538.02	560	530	530	—	−$6.6M	40.1%
Sep 14	541.10	560	530	530	—	−$6.4M	39.3%
Sep 11	556.75	560	530	530	—	−$4.5M	—
Sep 10	550.03	560	530	530	—	−$2.9M	35.5%
Sep 9	554.76	560	530	530	—	−$2.2M	—
Sep 8	561.55	560	550	550	—	−$2.0M	37.4%
Sep 4	560.75	560	530	530	—	−$2.5M	33.0%
Sep 3	545.50	560	530	530	—	−$3.7M	—
Sep 2	550.90	560	530	530	—	−$3.0M	31.5%
Sep 1	551.15	560	530	530	—	−$3.7M	32.8%
Aug 31	564.40	560	550	550	—	−$2.2M	—
Aug 28	564.85	560	550	550	—	−$2.3M	—
Aug 27	573.87	580	550	580	—	−$1.2M	—
Aug 26	578.14	580	550	580	—	−$1.1M	34.7%
Aug 25	572.67	580	550	580	—	−$1.6M	34.1%
Aug 24	571.62	580	550	580	—	−$1.9M	34.4%
Aug 21	587.68	580	550	580	—	−$1.2M	33.4%
Aug 20	593.24	590	600	600	—	−$4.9M	—
Aug 19	608.37	690	610	610	—	−$4.2M	36.3%
Aug 18	620.81	690	610	610	—	−$4.2M	35.7%
Aug 17	641.16	690	660	660	—	−$2.0M	36.1%
Aug 14	631.26	700	660	660	—	−$2.8M	33.9%
Aug 13	631.61	670	660	660	—	−$2.0M	36.9%
Aug 12	637.85	670	660	660	—	−$2.0M	36.8%
Aug 11	632.95	670	660	660	—	−$2.1M	36.5%
Aug 10	634.82	670	660	660	—	−$1.6M	—
Aug 7	644.26	670	660	660	—	−$1.2M	—
Aug 6	643.98	670	660	660	—	−$1.1M	—
Aug 5	650.25	670	660	660	—	−$849K	41.9%
Aug 4	635.96	670	660	660	—	−$632K	—
Aug 3	648.85	710	660	660	—	−$83K	53.8%
Jul 31	634.20	710	660	660	—	−$296K	—
Jul 30	632.98	670	660	660	—	−$322K	51.0%
Jul 29	606.00	670	660	660	—	−$562K	—
Jul 28	641.60	710	660	660	590	−$252K	51.2%
Jul 27	661.84	710	660	660	790	+$2K	52.0%
Jul 24	664.65	710	660	660	770	+$46K	—
Jul 23	665.03	710	660	660	710	+$548K	—
Jul 22	660.75	710	660	660	710	+$424K	51.0%
Jul 21	660.45	710	660	660	720	+$282K	51.7%
Jul 20	639.43	710	660	660	—	−$38K	53.2%
Jul 17	648.48	680	660	660	—	−$64K	49.9%
Jul 16	647.83	740	630	630	—	−$4.3M	50.6%
Jul 15	666.13	730	660	660	—	−$2.8M	—
Jul 14	675.54	650	660	660	—	−$1.3M	—
Jul 13	664.39	650	630	630	—	−$1.9M	—
Jul 10	675.95	650	630	630	—	−$1.1M	—
Jul 9	673.39	650	630	650	—	−$697K	—
Jul 8	669.21	650	630	650	—	−$909K	46.1%
Jul 7	660.14	650	630	630	—	−$1.3M	46.9%
Jul 6	678.24	650	630	650	—	−$452K	43.6%
Jul 2	661.70	650	630	650	—	−$907K	41.5%
Jul 1	682.32	650	630	650	—	−$28K	39.2%
Jun 30	713.21	740	630	740	740	+$1.1M	38.8%
Jun 29	691.09	650	630	650	800	+$325K	39.2%
Jun 26	685.87	650	630	650	810	+$44K	—
Jun 25	727.59	740	630	740	760	+$1.1M	40.0%
Jun 24	694.87	650	610	650	770	+$378K	—
Jun 23	699.05	650	610	650	760	+$714K	41.7%
Jun 22	724.93	650	680	650	730	+$1.4M	—
Jun 18	716.86	650	610	650	720	+$1.5M	39.0%
Jun 17	717.78	730	670	730	690	+$26.2M	47.4%
Jun 16	699.97	700	570	700	660	+$19.4M	50.9%
Jun 15	679.71	700	680	700	560	+$12.7M	44.8%
Jun 12	659.58	700	570	700	540	+$7.0M	39.5%
Jun 11	655.69	700	570	700	700	+$6.0M	—
Jun 10	630.52	700	570	700	700	+$2.8M	46.3%
Jun 9	669.23	700	570	700	700	+$8.8M	40.3%
Jun 8	672.68	700	680	700	660	+$9.7M	40.1%
Jun 5	651.22	700	570	700	540	+$5.6M	39.6%
Jun 4	678.10	700	570	700	560	+$9.9M	38.1%
Jun 3	682.33	700	570	700	570	+$10.0M	39.8%
Jun 2	672.67	700	680	700	660	+$9.3M	40.3%
Jun 1	643.50	700	630	700	550	+$5.6M	—
May 29	646.63	700	630	700	660	+$5.9M	—
May 28	668.68	700	630	700	660	+$8.3M	38.9%
May 27	667.85	700	630	700	660	+$8.2M	39.3%
May 26	668.75	700	630	700	550	+$8.1M	39.0%
May 22	639.55	700	630	700	550	+$5.2M	39.2%
May 21	638.78	700	630	700	660	+$4.0M	39.6%
May 20	669.87	700	540	700	660	+$4.1M	45.6%
May 19	659.46	700	540	700	660	+$2.9M	43.0%
May 18	677.87	700	680	700	600	+$4.0M	42.1%
May 15	696.53	700	680	700	600	+$4.6M	39.2%
May 14	716.45	700	660	700	690	+$3.3M	40.4%
May 13	709.57	690	580	690	650	+$4.3M	41.9%
May 12	704.56	690	580	690	670	+$3.9M	—
May 11	702.66	690	580	690	670	+$3.9M	41.0%
May 8	679.55	690	580	690	650	+$3.6M	35.6%
May 7	682.88	690	580	690	670	+$3.2M	36.4%
May 6	715.76	690	590	690	660	+$3.4M	—
May 5	674.88	690	580	690	630	+$3.3M	—
May 4	656.73	690	590	690	630	+$1.8M	55.7%
May 1	657.44	690	590	690	630	+$1.6M	48.2%
Apr 30	671.01	690	590	690	630	+$1.7M	48.5%

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

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Common questions

Where can I download CMI gamma history?

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

How often is CMI in short gamma?

59 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.