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. 669 tickers have full history pages; 4,947 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 9, 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 7,549.94 8,206.96 +8.7% 7,373.82 -2.3% 19,327,678
SPY 752.69 795.52 +5.7% 756.93 +0.6% 17,295,349
NVDA 178.67 235.76 +32.0% 191.18 +7.0% 15,975,499
VIX 19.92 25.12 +26.1% 18.44 -7.4% 13,709,318
TLT 81.96 83.92 +2.4% 80.69 -1.5% 13,610,642
QQQ 679.35 761.18 +12.0% 694.92 +2.3% 13,348,875
EWZ 32.61 42.10 +29.1% 33.39 +2.4% 11,818,633
HYG 77.51 80.06 +3.3% 78.60 +1.4% 10,583,432
IWM 282.47 303.51 +7.4% 285.84 +1.2% 10,532,108
INTC 59.37 105.16 +77.1% 68.83 +15.9% 7,753,741
IBIT 42.32 50.01 +18.2% 42.38 +0.1% 7,299,635
XLF 57.99 60.72 +4.7% 56.18 -3.1% 6,245,506

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

  • UNG crossed above at 10.08
  • PG crossed above at 168.30
  • XPEV crossed above at 10.20
  • TEM crossed above at 84.44
  • SOC crossed above at 0.88
  • GEO crossed above at 30.14
  • SERV crossed above at 3.39
  • FRVO crossed above at 11.38

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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