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. 654 tickers have full history pages; 4,957 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 3, 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 7,568.92 8,282.55 +9.4% 7,368.53 -2.6% 18,495,266
SPY 754.35 803.24 +6.5% 765.12 +1.4% 16,970,756
NVDA 206.65 229.58 +11.1% 201.15 -2.7% 15,432,428
TLT 81.11 83.81 +3.3% 80.37 -0.9% 13,965,328
QQQ 685.28 779.22 +13.7% 711.34 +3.8% 13,097,977
VIX 20.83 25.25 +21.2% 18.08 -13.2% 12,736,798
EWZ 31.73 43.09 +35.8% 34.22 +7.9% 12,126,322
IWM 279.80 310.01 +10.8% 286.94 +2.6% 10,433,951
HYG 76.98 80.41 +4.5% 78.68 +2.2% 10,419,987
INTC 60.55 114.32 +88.8% 73.94 +22.1% 7,519,361
IBIT 44.05 50.26 +14.1% 42.90 -2.6% 7,185,110
XLF 57.19 60.91 +6.5% 55.56 -2.8% 6,026,478

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

  • FISV crossed above at 58.40
  • SIRI crossed above at 30.80
  • VZLA crossed above at 3.03
  • GT crossed above at 4.44
  • BHC crossed above at 8.14
  • GENI crossed above at 6.80
  • PSEC crossed above at 1.55
  • LION crossed above at 12.45

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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