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. 675 tickers have full history pages; 4,983 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 15, 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 771.79 791.59 +2.6% 769.26 -0.3% 18,816,499
SPX 7,744.06 8,176.14 +5.6% 7,368.49 -4.8% 18,689,265
NVDA 217.23 239.74 +10.4% 207.47 -4.5% 15,758,701
VIX 16.46 20.33 +23.5% 15.88 -3.5% 15,222,281
TLT 79.97 82.58 +3.3% 79.27 -0.9% 14,862,324
QQQ 728.00 768.55 +5.6% 731.69 +0.5% 13,151,029
EWZ 41.58 43.89 +5.6% 36.28 -12.7% 11,589,199
IWM 275.05 298.32 +8.5% 283.68 +3.1% 11,053,511
HYG 77.13 80.98 +5.0% 79.05 +2.5% 10,838,745
IBIT 46.59 48.55 +4.2% 43.40 -6.8% 7,574,114
INTC 95.37 117.84 +23.6% 97.87 +2.6% 6,804,148
XLF 55.27 59.50 +7.6% 55.15 -0.2% 6,250,849

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

  • XLU crossed above at 41.65
  • MRNA crossed above at 236.50
  • BKNG crossed above at 165.80
  • MCHP crossed above at 74.26
  • MDT crossed above at 95.45
  • PINS crossed above at 22.70
  • HD crossed above at 308.24
  • MAT crossed above at 17.32

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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