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. 648 tickers have full history pages; 4,958 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 2, 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 7,541.40 8,285.30 +9.9% 7,358.32 -2.4% 18,393,406
SPY 752.10 803.99 +6.9% 765.00 +1.7% 16,537,520
NVDA 202.06 237.24 +17.4% 200.46 -0.8% 15,017,412
TLT 81.73 83.97 +2.7% 80.39 -1.6% 13,710,089
VIX 21.15 25.20 +19.1% 17.99 -15.0% 12,477,328
QQQ 681.09 780.12 +14.5% 713.26 +4.7% 12,456,513
EWZ 32.16 43.26 +34.5% 34.96 +8.7% 12,062,292
HYG 76.89 80.66 +4.9% 78.68 +2.3% 10,417,935
IWM 279.18 312.23 +11.8% 286.93 +2.8% 10,244,481
INTC 59.97 117.01 +95.1% 76.56 +27.7% 7,215,317
IBIT 43.35 50.21 +15.8% 42.44 -2.1% 7,078,966
XLF 57.54 61.12 +6.2% 55.74 -3.1% 5,941,153

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

  • KO crossed above at 95.83
  • BRK.B crossed above at 556.99
  • CAPR crossed above at 7.24
  • EQX crossed above at 10.08
  • KR crossed above at 68.36
  • MA crossed above at 658.10
  • HLF crossed above at 13.28
  • NWL crossed above at 5.96

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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