ASX gamma levels history

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

ASX'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

6/60

Short gamma

last 60 sessions

47.5

Call wall

Put wall

ASX net gamma, last 60 sessions

Jul 28Oct 20

ASX closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	40.77	47.5	35	47.5	46.25	+$458K	—
Oct 19	40.80	47.5	35	47.5	46.25	+$532K	—
Oct 16	39.53	42.5	45	45	—	−$168K	—
Oct 15	41.89	42.5	40	40	—	−$263K	—
Oct 14	44.33	47.5	40	47.5	46.25	+$357K	—
Oct 13	47.60	47.5	40	47.5	43.75	+$1.1M	70.3%
Oct 12	47.53	47.5	40	47.5	43.75	+$4.4M	60.4%
Oct 9	46.43	47.5	40	47.5	42.5	+$5.4M	—
Oct 8	45.26	47.5	40	47.5	42.5	+$4.6M	—
Oct 7	45.76	47.5	40	47.5	42.5	+$4.4M	—
Oct 6	46.78	47.5	40	47.5	42.5	+$4.3M	—
Oct 5	47.53	47.5	40	47.5	42.5	+$4.0M	54.7%
Oct 2	47.45	47.5	40	47.5	42.5	+$3.6M	54.9%
Oct 1	44.73	47.5	40	47.5	42.5	+$3.2M	—
Sep 30	44.46	47.5	40	47.5	42.5	+$2.9M	—
Sep 29	45.31	47.5	40	47.5	42.5	+$2.6M	—
Sep 28	43.79	47.5	40	47.5	42.5	+$2.7M	—
Sep 25	44.31	47.5	40	47.5	42.5	+$2.8M	—
Sep 24	43.50	42.5	40	42.5	42.5	+$2.6M	—
Sep 23	43.93	47.5	40	47.5	42.5	+$2.8M	—
Sep 22	45.20	47.5	40	47.5	42.5	+$2.8M	55.0%
Sep 21	43.73	42.5	40	42.5	42.5	+$2.4M	—
Sep 18	41.63	45	35	45	45	+$183K	—
Sep 17	39.99	42.5	35	42.5	37.5	+$5.1M	63.2%
Sep 16	37.95	37.5	35	37.5	37.5	+$8.9M	—
Sep 15	37.12	37.5	30	37.5	35	+$5.2M	—
Sep 14	37.08	37.5	30	37.5	37.5	+$3.2M	—
Sep 11	39.47	42.5	32.5	42.5	37.5	+$4.1M	—
Sep 10	39.86	42.5	—	42.5	—	+$4.1M	58.3%
Sep 9	41.20	42.5	—	42.5	—	+$4.1M	—
Sep 8	39.79	37.5	32.5	37.5	37.5	+$4.4M	—
Sep 4	37.51	37.5	32.5	37.5	35	+$3.2M	55.1%
Sep 3	37.43	37.5	30	37.5	35	+$3.0M	50.4%
Sep 2	37.08	37.5	30	37.5	35	+$2.9M	—
Sep 1	37.43	37.5	30	37.5	35	+$2.6M	56.8%
Aug 31	36.95	37.5	30	37.5	35	+$2.5M	—
Aug 28	37.78	37.5	32.5	37.5	35	+$2.9M	—
Aug 27	38.90	37.5	32.5	37.5	35	+$3.1M	—
Aug 26	37.26	37.5	30	37.5	35	+$2.4M	—
Aug 25	37.08	37.5	30	37.5	35	+$2.3M	—
Aug 24	36.24	37.5	30	37.5	35	+$2.1M	—
Aug 21	36.51	37.5	35	37.5	37.5	+$1.6M	—
Aug 20	36.51	42.5	37.5	42.5	35	+$1.2M	—
Aug 19	35.66	42.5	32.5	42.5	37.5	+$2.0M	—
Aug 18	36.41	42.5	32.5	42.5	42.5	+$1.0M	—
Aug 17	39.91	42.5	32.5	42.5	35	+$3.9M	63.5%
Aug 14	39.54	42.5	32.5	42.5	40	+$2.7M	—
Aug 13	39.64	42.5	35	42.5	42.5	+$2.7M	—
Aug 12	39.28	42.5	37.5	42.5	42.5	+$1.9M	—
Aug 11	38.65	42.5	35	42.5	42.5	+$1.6M	—
Aug 10	37.59	42.5	32.5	42.5	42.5	+$1.2M	89.7%
Aug 7	37.39	42.5	32.5	42.5	42.5	+$1.0M	75.2%
Aug 6	37.25	42.5	32.5	42.5	42.5	+$942K	—
Aug 5	36.78	42.5	32.5	42.5	42.5	+$849K	—
Aug 4	38.70	42.5	32.5	42.5	42.5	+$1.1M	—
Aug 3	36.68	42.5	32.5	42.5	42.5	+$800K	—
Jul 31	35.17	40	32.5	32.5	—	−$171K	88.7%
Jul 30	34.77	40	32.5	32.5	—	−$182K	—
Jul 29	31.12	—	32.5	32.5	—	−$197K	—
Jul 28	33.93	40	32.5	32.5	—	−$166K	—
Jul 27	36.55	42.5	32.5	42.5	42.5	+$603K	—
Jul 24	36.84	42.5	32.5	42.5	42.5	+$625K	—
Jul 23	39.46	42.5	32.5	42.5	42.5	+$813K	—
Jul 22	40.49	42.5	32.5	42.5	42.5	+$1.3M	—
Jul 21	40.01	42.5	35	42.5	42.5	+$1.2M	93.3%
Jul 20	36.90	42.5	32.5	42.5	42.5	+$478K	—
Jul 17	38.41	42.5	32.5	42.5	40	+$578K	—
Jul 16	39.51	42.5	35	42.5	42.5	+$1.3M	—
Jul 15	40.72	42.5	35	42.5	42.5	+$2.6M	—
Jul 14	40.36	42.5	35	42.5	42.5	+$2.1M	—
Jul 13	40.56	42.5	35	42.5	42.5	+$2.3M	—
Jul 10	42.66	42.5	35	42.5	42.5	+$2.6M	86.2%
Jul 9	43.25	42.5	35	42.5	42.5	+$2.5M	—
Jul 8	39.93	42.5	35	42.5	42.5	+$1.6M	113.6%
Jul 7	39.65	42.5	35	42.5	42.5	+$1.5M	—
Jul 6	43.32	42.5	35	42.5	42.5	+$2.1M	—
Jul 2	41.87	42.5	35	42.5	42.5	+$1.9M	—
Jul 1	42.99	42.5	35	42.5	42.5	+$2.1M	—
Jun 30	45.12	42.5	37.5	42.5	40	+$2.4M	84.8%
Jun 29	42.13	42.5	35	42.5	42.5	+$1.9M	—
Jun 26	40.21	42.5	35	42.5	42.5	+$1.5M	—
Jun 25	41.85	42.5	37.5	42.5	40	+$1.9M	—
Jun 24	41.34	42.5	37.5	42.5	37.5	+$1.6M	—
Jun 23	39.77	42.5	32.5	42.5	40	+$1.5M	—
Jun 22	43.62	42.5	35	42.5	37.5	+$1.8M	—
Jun 18	40.56	40	32.5	40	40	+$225K	—
Jun 17	37.44	37.5	32.5	37.5	—	+$3.0M	125.0%
Jun 16	36.84	37.5	32.5	37.5	—	+$3.0M	—
Jun 15	38.50	37.5	32.5	37.5	35	+$3.3M	—
Jun 12	38.12	37.5	32.5	37.5	35	+$2.7M	—
Jun 11	36.80	37.5	32.5	37.5	—	+$2.3M	—
Jun 10	34.30	37.5	32.5	37.5	30	+$1.2M	—
Jun 9	35.08	37.5	32.5	37.5	—	+$1.3M	83.6%
Jun 8	35.52	37.5	32.5	37.5	—	+$1.8M	—
Jun 5	34.03	37.5	32.5	37.5	30	+$1.1M	—
Jun 4	38.40	37.5	32.5	37.5	35	+$2.1M	—
Jun 3	39.91	42.5	32.5	42.5	35	+$2.4M	81.7%
Jun 2	39.26	37.5	—	37.5	—	+$1.9M	—
Jun 1	38.17	37.5	—	37.5	—	+$1.8M	—
May 29	38.35	37.5	—	37.5	—	+$1.8M	—
May 28	40.60	42.5	—	42.5	—	+$1.9M	—
May 27	39.07	37.5	—	37.5	—	+$1.6M	—
May 26	38.95	37.5	—	37.5	—	+$1.4M	—
May 22	34.81	37.5	—	37.5	—	+$1.2M	—
May 21	32.64	37.5	27.5	37.5	30	+$940K	61.3%
May 20	31.69	37.5	27.5	37.5	30	+$922K	—
May 19	30.89	35	27.5	35	—	+$416K	—
May 18	31.65	37.5	—	37.5	—	+$887K	—
May 15	33.81	35	27.5	35	30	+$492K	—
May 14	35.25	35	30	35	35	+$4.9M	—
May 13	35.47	35	—	35	—	+$4.1M	—
May 12	34.28	35	30	35	35	+$3.1M	—
May 11	35.30	35	30	35	35	+$3.3M	—
May 8	34.23	35	—	35	—	+$3.3M	—
May 7	33.34	35	—	35	—	+$2.8M	—
May 6	34.16	30	—	30	—	+$950K	—
May 5	33.44	30	—	30	—	+$1.0M	—
May 4	32.28	30	—	30	—	+$1.0M	—
May 1	31.59	30	—	30	—	+$996K	—
Apr 30	31.41	30	—	30	—	+$976K	—

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

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Common questions

Where can I download ASX gamma history?

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

How often is ASX in short gamma?

6 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.