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. 641 tickers have full history pages; 5,006 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 6, 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
SPY 779.14 788.00 +1.1% 767.06 -1.6% 17,592,827
SPX 7,818.93 8,097.87 +3.6% 7,306.54 -6.6% 17,334,231
NVDA 239.24 245.51 +2.6% 212.00 -11.4% 14,687,792
TLT 77.28 83.70 +8.3% 79.39 +2.7% 14,227,476
VIX 15.01 20.11 +34.0% 14.75 -1.7% 13,164,940
QQQ 759.66 768.30 +1.1% 732.92 -3.5% 11,937,431
EWZ 43.00 42.13 -2.0% 35.91 -16.5% 10,580,410
IWM 281.37 307.12 +9.2% 288.61 +2.6% 10,241,416
HYG 77.27 80.98 +4.8% 79.07 +2.3% 9,832,202
IBIT 48.49 49.72 +2.5% 42.96 -11.4% 7,297,447
INTC 112.49 126.49 +12.5% 104.11 -7.5% 6,098,743
XLF 54.01 60.84 +12.6% 55.15 +2.1% 5,693,372

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

  • CSCO crossed above at 117.94
  • BB crossed above at 9.58
  • VST crossed above at 160.50
  • UAA crossed above at 4.88
  • AI crossed above at 11.24
  • SIRI crossed above at 26.36
  • SHEL crossed above at 97.62
  • PTEN crossed above at 11.41

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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