ON gamma levels history

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

ON'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

22/60

Short gamma

last 60 sessions

Call wall

Put wall

ON net gamma, last 60 sessions

Jul 28Oct 20

ON closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	75.62	76	65	76	71.5	+$4.9M	—
Oct 19	73.12	76	65	76	71.5	+$3.7M	73.0%
Oct 16	72.02	76	63	76	71.5	+$3.5M	66.3%
Oct 15	73.70	76	70	76	75.5	+$4.1M	65.5%
Oct 14	73.36	76	65	76	79.5	+$2.3M	63.4%
Oct 13	76.69	80	74	80	75.5	+$6.9M	60.0%
Oct 12	76.00	76	74	76	75.5	+$4.7M	60.2%
Oct 9	77.53	76	65	76	76	+$6.7M	—
Oct 8	79.41	80	70	80	76	+$9.8M	—
Oct 7	82.51	80	70	80	76	+$9.5M	—
Oct 6	86.31	90	70	90	76	+$9.0M	55.9%
Oct 5	85.93	90	70	90	75	+$8.6M	52.3%
Oct 2	84.89	80	95	80	75	+$8.0M	53.5%
Oct 1	80.08	80	65	80	75	+$8.1M	56.9%
Sep 30	76.87	76	65	76	74	+$8.6M	57.4%
Sep 29	75.95	75	65	75	74	+$8.0M	59.7%
Sep 28	75.65	75	65	75	75	+$6.6M	60.2%
Sep 25	77.20	75	65	75	75	+$6.2M	55.4%
Sep 24	73.15	75	65	75	72	+$7.0M	54.9%
Sep 23	74.10	75	65	75	73	+$5.7M	56.2%
Sep 22	73.60	72	65	72	72	+$4.3M	—
Sep 21	71.72	72	65	72	72	+$3.2M	55.0%
Sep 18	69.98	80	65	80	80	+$598K	53.2%
Sep 17	68.30	75	67	67	—	−$1.5M	54.1%
Sep 16	66.60	75	70	70	—	−$1.3M	—
Sep 15	73.20	75	70	75	76	+$3.9M	66.7%
Sep 14	71.65	75	70	75	80	+$2.4M	59.9%
Sep 11	76.14	85	70	85	76	+$5.6M	59.8%
Sep 10	70.17	80	70	70	—	−$650K	55.0%
Sep 9	70.98	80	70	80	82	+$763K	56.8%
Sep 8	71.08	80	70	80	80	+$2.0M	58.0%
Sep 4	74.38	80	75	80	82	+$1.6M	—
Sep 3	73.65	80	70	80	80	+$3.5M	55.6%
Sep 2	72.34	80	70	80	82	+$1.5M	51.1%
Sep 1	72.65	80	70	80	81	+$2.0M	51.6%
Aug 31	74.09	80	70	80	80	+$3.0M	52.9%
Aug 28	72.61	85	70	85	82	+$1.6M	—
Aug 27	74.80	85	70	85	80	+$2.9M	50.5%
Aug 26	73.22	85	75	75	85	+$227K	53.4%
Aug 25	72.51	85	75	75	—	−$345K	—
Aug 24	71.93	85	75	75	—	−$374K	54.3%
Aug 21	74.21	85	75	75	85	+$308K	50.6%
Aug 20	74.71	85	75	75	—	−$2.2M	53.1%
Aug 19	76.58	85	80	80	—	−$2.6M	—
Aug 18	79.42	85	80	80	—	−$2.3M	—
Aug 17	83.38	88	80	80	—	−$80K	56.2%
Aug 14	82.66	88	80	80	—	−$1.1M	52.8%
Aug 13	81.56	81	80	80	83	+$228K	—
Aug 12	83.32	83	80	80	83	−$210K	56.4%
Aug 11	81.11	81	80	80	—	−$1.6M	59.5%
Aug 10	79.78	81	80	80	—	−$1.8M	58.7%
Aug 7	81.17	83	80	80	—	−$1.8M	62.0%
Aug 6	78.33	85	80	80	—	−$3.1M	72.6%
Aug 5	76.91	85	80	80	—	−$3.3M	77.5%
Aug 4	80.78	85	80	80	—	−$1.5M	80.1%
Aug 3	80.40	87	80	80	—	−$1.5M	92.2%
Jul 31	81.61	87	80	80	68	−$1.3M	92.5%
Jul 30	83.74	96	80	80	—	−$2.3M	96.1%
Jul 29	78.86	93	75	75	—	−$4.1M	111.4%
Jul 28	84.39	96	80	80	—	−$2.7M	95.5%
Jul 27	89.04	96	80	96	—	−$701K	95.1%
Jul 24	86.81	96	80	80	—	−$1.5M	85.5%
Jul 23	90.13	100	80	100	104	+$390K	95.5%
Jul 22	92.33	100	80	100	110	+$33K	102.5%
Jul 21	91.06	100	75	100	—	−$829K	100.1%
Jul 20	86.70	100	80	80	—	−$2.0M	101.2%
Jul 17	87.37	100	95	95	—	−$2.2M	100.3%
Jul 16	88.12	99	90	90	—	−$5.0M	94.6%
Jul 15	92.54	99	90	90	—	−$2.3M	92.3%
Jul 14	93.73	99	90	99	—	−$1.7M	94.5%
Jul 13	90.37	99	90	90	—	−$3.1M	93.0%
Jul 10	95.96	110	90	110	80	+$108K	83.0%
Jul 9	97.87	96	90	96	97	+$5.5M	93.0%
Jul 8	93.79	93	90	93	100	+$2.0M	89.5%
Jul 7	91.10	93	90	90	—	−$722K	85.5%
Jul 6	94.69	93	90	90	100	+$1.4M	91.1%
Jul 2	91.22	99	90	99	—	−$1.1M	77.9%
Jul 1	94.63	98	90	90	98	+$2.5M	81.6%
Jun 30	94.54	98	90	90	98	+$1.0M	83.4%
Jun 29	88.57	98	90	90	—	−$1.4M	88.6%
Jun 26	90.65	96	90	90	—	−$2.6M	—
Jun 25	118.74	123	115	123	140	+$145K	83.6%
Jun 24	115.74	123	100	123	—	−$304K	88.0%
Jun 23	117.06	123	100	100	—	−$525K	85.3%
Jun 22	131.55	145	115	145	123	+$4.3M	88.1%
Jun 18	121.62	145	100	100	145	+$426K	76.7%
Jun 17	112.92	120	100	120	95	+$4.4M	77.4%
Jun 16	118.25	120	100	120	100	+$5.1M	77.0%
Jun 15	125.90	120	105	120	115	+$6.7M	83.1%
Jun 12	116.79	120	100	120	95	+$3.6M	78.0%
Jun 11	115.96	120	100	120	95	+$4.0M	86.9%
Jun 10	110.17	120	100	120	90	+$1.8M	84.0%
Jun 9	117.00	120	100	120	95	+$3.7M	91.8%
Jun 8	120.90	120	100	120	120	+$4.1M	83.4%
Jun 5	117.26	120	100	120	95	+$3.2M	82.5%
Jun 4	131.82	125	111	125	107	+$7.9M	75.6%
Jun 3	133.93	125	111	125	115	+$6.4M	83.4%
Jun 2	128.64	125	117	125	109	+$6.3M	82.3%
Jun 1	120.92	125	100	125	120	+$4.6M	79.3%
May 29	120.62	120	100	120	98	+$2.7M	72.3%
May 28	123.77	120	100	120	115	+$7.1M	79.5%
May 27	124.89	131	100	131	115	+$6.5M	79.2%
May 26	127.00	120	105	120	105	+$4.7M	84.7%
May 22	116.20	115	100	115	95	+$3.9M	63.1%
May 21	109.61	120	100	120	95	+$4.2M	63.8%
May 20	110.21	120	100	120	95	+$4.0M	66.6%
May 19	106.02	120	100	120	91	+$3.6M	67.1%
May 18	109.43	120	100	120	90	+$3.8M	69.2%
May 15	113.11	120	100	120	95	+$4.6M	67.6%
May 14	118.37	115	100	115	97	+$8.4M	76.6%
May 13	115.71	115	100	115	108	+$6.3M	77.3%
May 12	104.11	105	100	105	85	+$6.4M	69.1%
May 11	107.24	105	100	105	105	+$6.1M	67.6%
May 8	103.20	105	100	105	105	+$3.9M	59.8%
May 7	100.61	105	100	105	92	+$6.4M	62.4%
May 6	105.77	108	100	108	105	+$11.8M	63.2%
May 5	102.67	108	100	108	105	+$8.7M	61.9%
May 4	102.04	108	94	108	85	+$5.1M	95.2%
May 1	103.03	105	94	105	85	+$5.0M	82.4%
Apr 30	100.81	99	97	99	85	+$9.0M	78.9%

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

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Common questions

Where can I download ON gamma history?

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

How often is ON in short gamma?

22 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.