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. 627 tickers have full history pages; 4,971 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 23, 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 7,623.68 8,340.80 +9.4% 7,340.92 -3.7% 17,474,978
SPY 759.97 801.62 +5.5% 767.81 +1.0% 17,011,613
NVDA 210.96 241.24 +14.4% 202.91 -3.8% 14,476,877
TLT 81.34 84.11 +3.4% 80.18 -1.4% 13,556,744
EWZ 42.59 45.83 +7.6% 36.08 -15.3% 12,848,711
QQQ 704.40 781.98 +11.0% 723.34 +2.7% 12,416,529
VIX 19.45 23.56 +21.1% 16.28 -16.3% 10,974,991
IWM 275.75 309.31 +12.2% 284.96 +3.3% 10,214,550
HYG 77.05 81.30 +5.5% 79.25 +2.9% 9,695,615
IBIT 45.96 50.56 +10.0% 43.32 -5.7% 6,808,014
INTC 86.96 121.04 +39.2% 90.32 +3.9% 6,486,755
XLF 55.90 61.20 +9.5% 55.51 -0.7% 5,606,565

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

  • PBR crossed above at 26.16
  • LAES crossed above at 1.55
  • CVX crossed above at 233.24
  • DVN crossed above at 51.39
  • MCHP crossed above at 74.05
  • COP crossed above at 150.80
  • ARDX crossed above at 3.08
  • VZLA crossed above at 3.09

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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