CAH gamma levels history

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

CAH'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

2/60

Short gamma

last 60 sessions

270

Call wall

215

Put wall

CAH net gamma, last 60 sessions

Jul 28Oct 20

CAH closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	257.55	270	215	270	248.75	+$2.0M	33.1%
Oct 19	252.65	270	215	270	238.75	+$2.2M	27.5%
Oct 16	254.06	270	215	270	238.75	+$1.8M	37.0%
Oct 15	253.71	250	215	250	248.75	+$3.3M	27.4%
Oct 14	247.74	250	230	250	241.25	+$3.4M	22.5%
Oct 13	239.72	240	220	240	233.75	+$8.1M	27.6%
Oct 12	238.08	240	220	240	233.75	+$6.8M	33.1%
Oct 9	237.57	240	215	240	230	+$6.6M	25.6%
Oct 8	238.96	240	215	240	230	+$6.0M	27.9%
Oct 7	232.16	240	220	240	232.5	+$5.5M	22.4%
Oct 6	233.44	240	215	240	230	+$5.3M	30.0%
Oct 5	233.12	240	215	240	230	+$5.2M	26.1%
Oct 2	228.30	240	215	240	232.5	+$3.3M	26.0%
Oct 1	230.09	240	215	240	227.5	+$3.6M	26.4%
Sep 30	222.50	240	215	240	230	+$2.1M	27.1%
Sep 29	223.91	240	215	240	220	+$3.4M	29.4%
Sep 28	220.29	240	215	240	220	+$2.7M	28.5%
Sep 25	220.22	240	225	240	220	+$2.0M	26.6%
Sep 24	222.62	240	225	240	230	+$2.3M	29.2%
Sep 23	221.27	240	225	240	232.5	+$2.1M	—
Sep 22	222.04	240	225	240	235	+$2.2M	30.6%
Sep 21	225.75	240	225	240	220	+$2.5M	29.5%
Sep 18	225.38	240	220	240	240	+$1.9M	25.2%
Sep 17	226.34	240	220	240	200	+$5.2M	—
Sep 16	232.54	240	230	240	240	+$3.7M	23.3%
Sep 15	232.65	240	220	240	240	+$4.3M	26.2%
Sep 14	234.89	240	220	240	240	+$5.6M	25.0%
Sep 11	234.57	240	220	240	240	+$5.8M	23.8%
Sep 10	236.02	240	230	240	240	+$3.1M	24.7%
Sep 9	240.00	240	220	240	240	+$4.9M	23.5%
Sep 8	240.49	240	220	240	240	+$4.9M	25.8%
Sep 4	247.18	250	230	250	240	+$5.0M	22.0%
Sep 3	248.61	250	220	250	205	+$6.3M	21.6%
Sep 2	245.49	250	220	250	240	+$5.8M	23.0%
Sep 1	239.35	240	220	240	240	+$4.2M	22.0%
Aug 31	234.62	240	220	240	200	+$2.2M	24.3%
Aug 28	234.55	240	220	240	240	+$2.5M	23.9%
Aug 27	235.13	250	220	250	245	+$1.8M	24.3%
Aug 26	238.40	240	220	240	200	+$3.4M	24.9%
Aug 25	237.92	240	220	240	240	+$3.1M	21.9%
Aug 24	232.37	240	220	240	245	+$1.5M	29.4%
Aug 21	229.51	240	220	240	250	+$480K	25.9%
Aug 20	228.46	230	227.5	227.5	—	−$1.2M	27.2%
Aug 19	234.85	240	227.5	240	240	+$3.8M	27.8%
Aug 18	234.98	240	227.5	240	240	+$3.6M	27.4%
Aug 17	235.66	240	227.5	240	240	+$3.4M	28.5%
Aug 14	235.17	240	227.5	240	240	+$3.4M	28.1%
Aug 13	231.24	240	235	240	—	−$487K	—
Aug 12	234.16	250	220	250	240	+$3.1M	27.9%
Aug 11	240.26	250	220	250	240	+$5.5M	27.9%
Aug 10	237.18	245	220	245	240	+$1.9M	78.2%
Aug 7	236.40	245	220	245	240	+$1.7M	48.4%
Aug 6	237.66	240	235	235	250	+$686K	43.5%
Aug 5	239.23	245	235	245	245	+$1.0M	41.6%
Aug 4	233.55	230	220	230	240	+$1.8M	47.4%
Aug 3	235.60	230	220	230	240	+$1.9M	41.2%
Jul 31	230.03	230	220	230	245	+$927K	39.1%
Jul 30	227.07	230	227.5	227.5	245	+$854K	36.7%
Jul 29	229.12	240	227.5	240	240	+$1.4M	39.5%
Jul 28	232.51	245	227.5	245	240	+$1.9M	33.6%
Jul 27	229.35	245	200	245	237.5	+$1.7M	36.5%
Jul 24	228.03	245	200	245	240	+$1.5M	27.0%
Jul 23	225.98	240	225	225	245	+$730K	38.5%
Jul 22	220.54	240	220	220	190	+$402K	30.9%
Jul 21	227.09	245	200	245	240	+$1.2M	29.3%
Jul 20	225.75	245	200	245	235	+$1.3M	30.8%
Jul 17	228.52	245	200	245	245	+$844K	27.5%
Jul 16	228.72	240	227.5	240	220	+$1.3M	—
Jul 15	224.94	220	217.5	220	220	+$1.4M	36.9%
Jul 14	230.11	240	235	240	220	+$2.0M	30.6%
Jul 13	233.66	240	235	240	220	+$3.2M	27.9%
Jul 10	235.80	240	217.5	240	220	+$4.0M	24.5%
Jul 9	233.77	240	227.5	240	220	+$3.9M	—
Jul 8	237.15	240	227.5	240	220	+$4.6M	28.8%
Jul 7	239.71	240	227.5	240	235	+$3.9M	27.5%
Jul 6	237.52	240	217.5	240	237.5	+$3.3M	29.1%
Jul 2	238.94	240	227.5	240	220	+$4.2M	23.3%
Jul 1	237.72	240	217.5	240	220	+$3.0M	26.6%
Jun 30	237.56	240	217.5	240	210	+$3.3M	24.6%
Jun 29	236.22	240	217.5	240	240	+$2.4M	—
Jun 26	237.92	240	217.5	240	235	+$2.4M	22.3%
Jun 25	234.75	240	227.5	240	235	+$1.8M	29.6%
Jun 24	233.01	210	227.5	227.5	210	+$709K	42.3%
Jun 23	228.91	220	227.5	220	210	+$729K	25.8%
Jun 22	222.74	210	222.5	210	210	+$938K	30.6%
Jun 18	221.77	210	225	210	205	+$879K	24.3%
Jun 17	226.28	230	195	230	210	+$4.1M	—
Jun 16	227.72	230	195	230	230	+$2.0M	23.9%
Jun 15	226.40	230	195	230	220	+$3.5M	26.7%
Jun 12	223.85	220	195	220	220	+$3.2M	—
Jun 11	221.16	210	195	210	210	+$4.4M	—
Jun 10	216.30	210	195	210	210	+$3.0M	—
Jun 9	212.67	210	195	210	212.5	+$2.1M	28.3%
Jun 8	204.48	210	195	210	212.5	+$1.0M	28.4%
Jun 5	205.71	210	195	210	210	+$1.5M	26.4%
Jun 4	201.74	210	195	195	220	+$487K	25.9%
Jun 3	195.85	210	195	195	—	−$1.5M	31.9%
Jun 2	194.88	210	195	195	—	−$1.7M	27.5%
Jun 1	195.15	210	195	195	—	−$1.2M	28.4%
May 29	196.80	210	195	195	—	−$915K	25.6%
May 28	199.85	200	195	195	—	−$451K	25.3%
May 27	199.84	200	195	195	—	−$242K	29.1%
May 26	200.37	210	195	195	—	−$101K	29.5%
May 22	200.68	210	195	195	—	−$190K	26.3%
May 21	200.61	220	195	195	220	+$411K	28.6%
May 20	199.23	220	195	195	—	−$44K	27.1%
May 19	200.37	220	195	195	235	+$167K	28.3%
May 18	199.77	220	195	195	—	−$436K	28.1%
May 15	195.20	220	195	195	—	−$1.3M	24.6%
May 14	194.38	192.5	185	192.5	192.5	+$5.2M	27.8%
May 13	186.35	192.5	185	185	—	−$1.6M	—
May 12	182.56	192.5	185	185	—	−$4.8M	30.4%
May 11	182.50	192.5	185	185	—	−$4.1M	32.1%
May 8	183.65	192.5	185	185	—	−$2.1M	—
May 7	185.28	200	180	200	210	+$995K	30.6%
May 6	191.49	202.5	195	202.5	205	+$1.9M	—
May 5	197.00	202.5	195	202.5	202.5	+$5.5M	37.3%
May 4	197.06	192.5	180	192.5	192.5	+$2.7M	36.6%
May 1	195.24	192.5	180	192.5	192.5	+$2.4M	28.9%
Apr 30	192.88	220	195	195	225	+$214K	30.8%

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

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Common questions

Where can I download CAH gamma history?

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

How often is CAH in short gamma?

2 of the last 60 sessions closed with dealers net short gamma.

Compare: gamma levels history on other tickers

BP BSX BX C CARR CASY CAT CB SPY QQQ All tickers →

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.