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. 650 tickers have full history pages; 5,003 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 7, 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 777.26 788.15 +1.4% 768.64 -1.1% 18,114,904
SPX 7,801.77 8,099.36 +3.8% 7,322.76 -6.1% 17,560,046
NVDA 237.36 245.26 +3.3% 210.82 -11.2% 14,725,897
TLT 77.14 83.28 +8.0% 79.21 +2.7% 14,237,119
VIX 15.08 19.90 +32.0% 14.71 -2.5% 13,510,697
QQQ 757.73 775.07 +2.3% 736.12 -2.9% 12,184,419
EWZ 42.37 42.24 -0.3% 35.93 -15.2% 10,808,588
IWM 277.70 306.15 +10.2% 287.61 +3.6% 10,426,215
HYG 77.18 81.04 +5.0% 79.11 +2.5% 10,193,699
IBIT 47.21 49.87 +5.6% 42.77 -9.4% 7,304,860
INTC 113.06 125.09 +10.6% 105.00 -7.1% 6,189,984
XLF 53.75 60.75 +13.0% 54.99 +2.3% 5,720,227

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

  • ZETA crossed above at 33.74
  • NAK crossed above at 1.19
  • BHC crossed above at 6.15
  • DHT crossed above at 23.71
  • KSS crossed above at 20.12
  • STNE crossed above at 11.51
  • LBTYA crossed above at 9.10
  • PENG crossed above at 72.61

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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