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. 635 tickers have full history pages; 4,967 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 26, 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 7,676.77 8,323.33 +8.4% 7,345.79 -4.3% 17,552,589
SPY 765.37 798.87 +4.4% 767.26 +0.2% 17,128,766
NVDA 216.02 239.53 +10.9% 203.86 -5.6% 14,780,314
EWZ 34.15 44.24 +29.5% 36.52 +6.9% 13,571,723
TLT 81.68 83.76 +2.6% 80.27 -1.7% 13,525,463
QQQ 712.20 774.17 +8.7% 722.49 +1.4% 12,524,818
VIX 18.39 22.68 +23.3% 16.04 -12.8% 11,206,773
IWM 276.97 307.44 +11.0% 284.84 +2.8% 10,406,807
HYG 77.20 81.28 +5.3% 79.36 +2.8% 10,033,839
IBIT 45.22 49.53 +9.5% 43.45 -3.9% 6,947,214
INTC 90.52 120.32 +32.9% 92.61 +2.3% 6,606,724
XLF 56.02 60.43 +7.9% 55.33 -1.2% 5,744,059

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

  • DOW crossed above at 33.99
  • SPCE crossed above at 2.56
  • AI crossed above at 12.79
  • S crossed above at 25.50
  • HLF crossed above at 13.28
  • GENI crossed above at 6.52
  • GMAB crossed above at 44.69
  • LMT crossed above at 635.20

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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