Data through close

Where the options market is positioned, for every optionable US stock

Gamma max, delta neutral and open interest levels recomputed after every close, with history to December 2020. Free, no account.

Press / anywhere to search. 658 tickers have full history pages; 5,001 more have snapshot pages.

Max pain and gamma exposure by ticker

Browse dated options snapshots with expiration, open interest and model context.

Read the max pain payout example, GEX chart and gamma flip guide, or open interest versus volume comparison before interpreting a snapshot.

Original research: does max pain predict expiration price? A 2025 comparison reports the benchmark, weekly results and limits of the observed sample.

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Current levels for tickers in this browser's watchlist
TickerCloseGamma maxDist.Delta neutralOpen interestActions

Today's screens · Oct 12, 2026

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Biggest chains by open interest

top 100
Largest options chains by current total open interest
TickerCloseGamma maxDist.Delta neutralDist.Open interest
SPX 7,807.24 8,040.98 +3.0% 7,345.74 -5.9% 18,204,577
SPY 778.07 793.15 +1.9% 769.42 -1.1% 17,707,797
NVDA 226.32 242.08 +7.0% 208.70 -7.8% 14,607,484
TLT 78.05 82.90 +6.2% 79.29 +1.6% 14,378,473
VIX 15.21 20.08 +32.0% 15.13 -0.5% 14,197,065
QQQ 746.04 772.54 +3.6% 734.89 -1.5% 12,177,089
EWZ 43.54 43.78 +0.6% 36.36 -16.5% 11,175,831
IWM 277.88 301.69 +8.6% 286.01 +2.9% 10,601,453
HYG 77.29 80.74 +4.5% 78.96 +2.2% 10,399,234
IBIT 46.86 49.12 +4.8% 43.23 -7.8% 7,432,843
INTC 101.35 122.77 +21.1% 101.37 +0.0% 6,370,709
XLF 55.05 59.91 +8.8% 55.09 +0.1% 6,105,517

What the levels are

Gamma max is the price where the summed gamma of every open contract peaks; market makers hedging around it tend to resist a move through it. Delta neutral is the price where the chain's summed delta is zero. Open interest is how many contracts are open at all.

Methodology · Learn · Data

Crossed gamma max today

  • ZIM crossed above at 30.90
  • EQX crossed above at 11.20
  • SOXS crossed above at 37.19
  • CPB crossed above at 19.08
  • ASPI crossed above at 2.44
  • KSS crossed above at 21.17
  • M crossed above at 22.99
  • HLF crossed above at 13.61

Full list

Keep it honest

Everything here describes what the data showed after the close. Nothing is a recommendation. Levels use a simplified model whose assumptions are stated on the methodology page; read the disclaimer before relying on any of it.

From the blog

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