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. 644 tickers have full history pages; 4,961 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 29, 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 7,720.39 8,317.62 +7.7% 7,385.16 -4.3% 18,040,771
SPY 769.36 801.82 +4.2% 769.77 +0.1% 17,544,579
NVDA 213.60 225.13 +5.4% 204.57 -4.2% 15,268,020
TLT 81.49 82.32 +1.0% 80.44 -1.3% 13,741,082
EWZ 33.14 43.67 +31.8% 35.61 +7.5% 13,614,466
QQQ 715.34 778.08 +8.8% 728.61 +1.9% 12,727,078
VIX 17.20 21.80 +26.8% 15.61 -9.3% 11,705,429
IWM 284.01 304.13 +7.1% 285.28 +0.4% 10,595,659
HYG 77.58 80.87 +4.2% 79.18 +2.1% 10,440,284
IBIT 45.71 47.96 +4.9% 43.64 -4.5% 7,077,251
INTC 92.07 117.36 +27.5% 92.83 +0.8% 6,836,751
XLF 56.91 61.10 +7.4% 55.88 -1.8% 5,968,626

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

  • SOFI crossed above at 17.61
  • XLU crossed above at 43.14
  • AMC crossed above at 3.08
  • MRNA crossed above at 222.76
  • VG crossed above at 14.77
  • BBAI crossed above at 2.67
  • BRK.B crossed above at 541.96
  • UAA crossed above at 5.02

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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