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. 675 tickers have full history pages; 5,104 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 · Nov 13, 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 7,561.67 8,171.96 +8.1% 7,413.96 -2.0% 19,718,018
NVDA 162.85 223.86 +37.5% 177.30 +8.9% 17,922,104
SPY 754.37 796.65 +5.6% 760.67 +0.8% 17,271,043
VIX 19.30 24.21 +25.5% 18.43 -4.5% 14,360,787
QQQ 679.89 763.09 +12.2% 698.35 +2.7% 13,697,781
TLT 79.35 84.41 +6.4% 80.36 +1.3% 13,615,965
EWZ 32.22 43.04 +33.6% 33.08 +2.7% 11,631,592
IWM 277.54 301.68 +8.7% 286.11 +3.1% 10,918,204
HYG 76.94 80.22 +4.3% 78.48 +2.0% 10,825,042
INTC 59.66 101.34 +69.9% 68.42 +14.7% 7,814,809
IBIT 38.94 49.75 +27.8% 41.08 +5.5% 7,618,805
XLF 58.68 60.25 +2.7% 56.37 -3.9% 6,759,791

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

  • WMT crossed above at 128.09
  • SLS crossed above at 7.86
  • KO crossed above at 99.25
  • UAA crossed above at 4.91
  • PG crossed above at 169.85
  • MO crossed above at 78.64
  • GILD crossed above at 168.08
  • INO crossed above at 1.43

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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