CBOE gamma levels history

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

CBOE'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

20/60

Short gamma

last 60 sessions

320

Call wall

295

Put wall

CBOE net gamma, last 60 sessions

Jul 28Oct 20

CBOE closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	315.00	320	295	320	313.75	+$2.0M	40.8%
Oct 19	306.47	305	295	305	318.75	+$976K	43.4%
Oct 16	314.98	320	295	320	311.25	+$1.2M	43.2%
Oct 15	308.09	310	295	310	298.75	+$3.9M	46.9%
Oct 14	300.47	300	262.5	300	298.75	+$2.8M	48.9%
Oct 13	292.25	300	262.5	300	303.75	+$1.4M	46.6%
Oct 12	297.38	300	262.5	300	298.75	+$2.3M	53.3%
Oct 9	304.16	300	270	300	300	+$2.5M	39.0%
Oct 8	294.08	290	270	290	300	+$933K	45.5%
Oct 7	281.57	290	270	290	—	−$83K	40.1%
Oct 6	278.20	290	270	270	—	−$788K	48.2%
Oct 5	277.47	290	270	270	—	−$1.7M	49.4%
Oct 2	271.26	290	270	270	—	−$1.3M	39.3%
Oct 1	277.19	290	270	270	300	+$393K	40.3%
Sep 30	275.29	290	255	255	—	−$1.3M	43.3%
Sep 29	261.75	290	250	250	—	−$3.2M	42.9%
Sep 28	253.26	290	250	250	—	−$3.6M	41.1%
Sep 25	258.03	290	270	270	—	−$2.6M	39.8%
Sep 24	267.57	267.5	265	265	—	−$2.4M	37.6%
Sep 23	268.87	290	270	270	—	−$2.3M	35.4%
Sep 22	266.83	290	270	270	—	−$2.3M	37.3%
Sep 21	271.43	290	270	270	—	−$2.0M	38.5%
Sep 18	272.86	290	270	270	—	−$1.2M	34.5%
Sep 17	266.67	280	270	270	—	−$2.4M	35.6%
Sep 16	270.43	282.5	270	270	—	−$1.8M	42.0%
Sep 15	270.44	282.5	270	270	—	−$1.2M	41.4%
Sep 14	284.50	300	270	270	—	−$1.0M	40.4%
Sep 11	281.04	300	270	270	—	−$1.2M	36.6%
Sep 10	287.49	300	270	270	330	+$155K	44.8%
Sep 9	291.87	300	270	270	320	+$838K	37.4%
Sep 8	293.33	320	270	270	330	+$380K	40.2%
Sep 4	298.38	320	270	270	330	+$440K	34.5%
Sep 3	298.50	295	287.5	287.5	312.5	+$1.8M	38.5%
Sep 2	294.12	300	270	300	320	+$1.1M	34.0%
Sep 1	307.62	300	270	300	312.5	+$2.5M	34.2%
Aug 31	300.20	307.5	270	307.5	320	+$1.5M	34.8%
Aug 28	310.45	310	270	310	310	+$2.3M	30.4%
Aug 27	313.95	310	270	310	305	+$4.8M	31.4%
Aug 26	312.19	320	270	320	300	+$4.8M	35.7%
Aug 25	308.82	300	270	300	300	+$4.9M	35.8%
Aug 24	308.09	300	270	300	300	+$3.8M	43.4%
Aug 21	300.74	300	270	300	305	+$1.7M	34.6%
Aug 20	294.11	300	295	295	—	−$562K	39.1%
Aug 19	280.75	300	285	285	—	−$2.0M	38.4%
Aug 18	290.99	290	287.5	290	325	+$499K	34.9%
Aug 17	295.00	290	287.5	290	310	+$1.5M	33.9%
Aug 14	296.14	300	270	300	310	+$1.7M	31.1%
Aug 13	293.08	290	277.5	290	290	+$2.1M	37.6%
Aug 12	290.98	290	277.5	290	290	+$2.1M	36.3%
Aug 11	282.73	290	277.5	277.5	295	+$872K	41.4%
Aug 10	285.02	290	277.5	290	310	+$516K	36.5%
Aug 7	286.58	280	250	280	300	+$891K	32.5%
Aug 6	289.17	287.5	292.5	287.5	287.5	+$2.5M	37.6%
Aug 5	284.76	287.5	292.5	292.5	340	+$23K	37.7%
Aug 4	288.42	295	292.5	292.5	345	+$17K	40.6%
Aug 3	297.83	300	292.5	292.5	290	+$914K	41.3%
Jul 31	310.23	300	250	300	290	+$1.3M	35.1%
Jul 30	296.52	290	250	290	280	+$2.1M	55.9%
Jul 29	307.81	290	250	290	280	+$2.2M	—
Jul 28	297.39	290	285	290	280	+$2.2M	69.3%
Jul 27	288.87	290	250	290	272.5	+$2.2M	45.0%
Jul 24	285.07	290	250	290	280	+$1.5M	45.0%
Jul 23	284.86	290	250	290	280	+$2.3M	45.6%
Jul 22	281.80	280	250	280	270	+$2.1M	44.1%
Jul 21	274.40	270	250	270	270	+$1.7M	45.1%
Jul 20	278.21	270	250	270	270	+$1.5M	48.8%
Jul 17	273.41	280	250	280	280	+$829K	43.8%
Jul 16	277.89	277.5	242.5	277.5	300	+$776K	43.2%
Jul 15	277.11	277.5	242.5	277.5	292.5	+$1.1M	44.7%
Jul 14	274.98	277.5	242.5	277.5	277.5	+$1.6M	44.2%
Jul 13	277.13	310	242.5	310	300	+$1.1M	42.9%
Jul 10	268.07	310	242.5	242.5	—	−$489K	35.8%
Jul 9	267.85	310	242.5	242.5	310	+$368K	43.5%
Jul 8	264.98	310	230	310	310	+$197K	42.8%
Jul 7	258.64	260	250	250	—	−$825K	44.0%
Jul 6	245.08	260	230	230	—	−$2.4M	42.4%
Jul 2	248.99	270	230	230	—	−$2.0M	40.0%
Jul 1	247.72	270	250	250	—	−$3.6M	44.5%
Jun 30	242.67	270	240	240	—	−$2.7M	46.1%
Jun 29	231.51	270	230	230	195	−$2.8M	46.6%
Jun 26	242.21	270	250	250	205	−$3.2M	39.2%
Jun 25	244.98	265	250	250	—	−$4.8M	43.3%
Jun 24	249.59	265	250	250	210	−$4.4M	45.2%
Jun 23	257.42	285	270	270	—	−$3.1M	51.5%
Jun 22	255.98	285	270	270	—	−$3.4M	43.8%
Jun 18	249.10	285	250	250	215	−$931K	45.3%
Jun 17	254.69	285	270	270	—	−$1.5M	69.2%
Jun 16	265.24	290	270	270	—	−$3.0M	57.5%
Jun 15	292.91	290	270	270	—	−$312K	41.6%
Jun 12	294.91	290	270	270	—	−$415K	32.7%
Jun 11	295.90	300	270	270	—	−$162K	36.9%
Jun 10	301.08	290	270	290	290	+$2.7M	39.7%
Jun 9	290.60	290	270	290	290	+$2.2M	36.9%
Jun 8	280.32	285	270	270	230	−$153K	43.1%
Jun 5	281.91	300	270	270	—	−$902K	39.0%
Jun 4	286.03	290	305	290	235	−$1.3M	37.8%
Jun 3	285.10	300	305	305	240	−$911K	45.7%
Jun 2	275.59	290	305	305	230	−$1.2M	—
Jun 1	300.99	290	310	290	290	−$176K	35.9%
May 29	333.56	360	340	340	—	−$877K	26.3%
May 28	344.24	360	340	340	—	−$323K	25.7%
May 27	347.69	355	340	340	300	−$136K	28.6%
May 26	354.49	350	340	350	340	+$1.3M	28.9%
May 22	357.35	350	340	350	370	+$728K	19.4%
May 21	351.94	350	352.5	350	340	+$1.6M	32.7%
May 20	360.92	350	352.5	350	295	+$849K	27.9%
May 19	362.97	350	352.5	350	300	+$1.0M	—
May 18	366.28	350	352.5	350	300	+$1.2M	27.2%
May 15	363.02	350	340	350	370	+$320K	—
May 14	358.67	335	320	335	310	+$1.4M	24.5%
May 13	366.70	355	335	335	300	+$707K	26.6%
May 12	355.80	350	335	350	360	+$272K	23.1%
May 11	350.48	350	335	335	—	−$80K	23.6%
May 8	348.56	350	320	350	355	+$224K	21.6%
May 7	338.65	350	320	350	350	+$784K	23.7%
May 6	346.00	350	320	350	350	+$2.9M	20.7%
May 5	343.98	350	320	350	350	+$2.3M	24.5%
May 4	338.91	315	320	315	315	+$712K	25.6%
May 1	326.96	310	307.5	310	280	+$2.3M	—
Apr 30	300.09	310	290	310	305	+$2.8M	31.5%

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

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Common questions

Where can I download CBOE gamma history?

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

How often is CBOE in short gamma?

20 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.