INSW gamma levels history

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

INSW's closing gamma levels for 89 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.

89
Sessions
0/60
Short gamma
last 60 sessions
120
Call wall
100
Put wall

INSW net gamma, last 60 sessions

Jul 28Oct 20

INSW closing levels by session

Download CSV
SessionCloseCall wallPut wallApexFlipNet gammaIV
Oct 20104.76120100120117.5+$47K63.5%
Oct 19104.83120100120117.5+$94K63.3%
Oct 16109.99130100130122.5+$100K56.6%
Oct 15113.1111095110107.5+$5.1M—
Oct 14118.74115110115112.5+$2.2M—
Oct 13125.04125115125117.5+$1.3M62.3%
Oct 12124.22125115125117.5+$1.2M—
Oct 9119.82110100110—+$2.9M45.9%
Oct 8121.82115105115107.5+$1.9M—
Oct 7116.9411095110107.5+$3.3M—
Oct 6116.46110100110107.5+$4.8M—
Oct 5116.6011095110107.5+$5.4M—
Oct 2115.81110100110107.5+$5.5M—
Oct 1114.60110100110107.5+$5.2M51.3%
Sep 30110.1411095110107.5+$4.3M50.9%
Sep 29110.2411095110107.5+$4.9M48.9%
Sep 28108.3111095110107.5+$4.4M—
Sep 25105.6411095110107.5+$3.8M—
Sep 24104.8511095110107.5+$3.8M45.4%
Sep 23101.9611095110107.5+$3.2M—
Sep 22103.9511095110107.5+$3.4M—
Sep 21109.1011095110107.5+$4.1M—
Sep 18111.1511095110107.5+$4.4M—
Sep 17110.5311095110102.5+$5.1M46.7%
Sep 16109.3811095110102.5+$4.7M—
Sep 15107.7411095110102.5+$6.5M—
Sep 14105.8411095110102.5+$6.0M—
Sep 11103.6511095110102.5+$4.7M—
Sep 10102.1411095110102.5+$1.5M—
Sep 9104.6210595105102.5+$5.1M91.0%
Sep 8103.811059510597.5+$5.2M—
Sep 4104.501059510597.5+$4.6M83.7%
Sep 3102.241059510597.5+$4.0M—
Sep 2101.1995909592.5+$5.3M—
Sep 199.7695859592.5+$5.4M83.2%
Aug 3198.6495859592.5+$5.2M—
Aug 2898.8195859592.5+$5.0M—
Aug 2799.2695859592.5+$4.5M—
Aug 2693.6795859592.5+$3.5M—
Aug 2599.0595859592.5+$4.1M—
Aug 2499.9595859592.5+$4.1M76.2%
Aug 2199.5295859592.5+$2.9M72.2%
Aug 2099.361008510092.5+$5.1M—
Aug 1999.711008510092.5+$5.7M62.9%
Aug 1898.771008510087.5+$5.6M—
Aug 1798.361008510092.5+$5.4M—
Aug 1497.051008510087.5+$5.3M—
Aug 1395.151008510087.5+$2.8M54.3%
Aug 1292.381008510087.5+$2.0M—
Aug 1189.061008510087.5+$1.6M—
Aug 1090.401008510087.5+$1.7M51.0%
Aug 792.411008510087.5+$1.7M—
Aug 693.211008510087.5+$1.4M—
Aug 590.711008510087.5+$921K—
Aug 492.571008510087.5+$1.1M—
Aug 395.231008510087.5+$992K65.7%
Jul 3196.181008010087.5+$1.1M—
Jul 3095.211008010087.5+$1.0M60.6%
Jul 2994.5595809587.5+$848K59.2%
Jul 2893.6095809587.5+$835K—
Jul 2790.6995809587.5+$846K—
Jul 2492.2895809587.5+$732K—
Jul 2391.3595809587.5+$768K—
Jul 2288.9195859587.5+$643K—
Jul 2190.4795859587.5+$589K—
Jul 2088.4095859587.5+$547K—
Jul 1786.7695859587.5+$557K—
Jul 1688.2385758577.5+$1.2M—
Jul 1588.6585758582.5+$1.3M—
Jul 1488.1285758582.5+$1.4M—
Jul 1386.1785758577.5+$1.2M—
Jul 1088.4885758582.5+$1.4M—
Jul 982.9885758577.5+$1.1M—
Jul 888.2085758577.5+$1.3M—
Jul 785.2385758577.5+$1.1M62.4%
Jul 685.2685758577.5+$1.3M68.5%
Jul 282.4085758577.5+$1.1M—
Jul 177.7885758577.5+$795K—
Jun 3076.5985758577.5+$740K—
Jun 2977.8185758582.5+$590K—
Jun 2679.5185758582.5+$669K—
Jun 2581.4985758582.5+$697K—
Jun 2487.7285758582.5+$681K—
Jun 2389.9885758582.5+$599K57.4%
Jun 2288.4185758582.5+$567K—
Jun 1884.4985758582.5+$178K—
Jun 1781.4590759077.5+$1.7M—
Jun 1681.9790759077.5+$1.7M—
Jun 1581.4190759077.5+$1.5M—

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

Common questions

Where can I download INSW gamma history?

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

How often is INSW in short gamma?

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

Compare: gamma levels history on other 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.