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. 607 tickers have full history pages; 5,049 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 16, 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 7,659.44 8,357.79 +9.1% 7,329.78 -4.3% 16,345,434
SPY 763.25 800.86 +4.9% 770.24 +0.9% 16,218,861
VIX 20.06 22.69 +13.1% 17.54 -12.5% 15,363,220
NVDA 214.13 243.26 +13.6% 203.93 -4.8% 14,271,090
TLT 80.03 83.82 +4.7% 79.62 -0.5% 13,405,614
QQQ 709.80 786.75 +10.8% 729.77 +2.8% 11,535,437
EWZ 41.83 45.26 +8.2% 36.10 -13.7% 10,704,951
IWM 270.44 310.90 +15.0% 285.23 +5.5% 9,513,883
HYG 76.86 81.43 +5.9% 79.22 +3.1% 9,306,382
IBIT 46.15 50.98 +10.5% 43.07 -6.7% 6,616,174
INTC 89.85 121.28 +35.0% 95.36 +6.1% 6,131,250
XLF 55.51 60.79 +9.5% 55.07 -0.8% 5,341,360

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

  • PCT crossed above at 3.07
  • BTG crossed above at 5.31
  • DVN crossed above at 50.73
  • COP crossed above at 146.51
  • UVXY crossed above at 18.50
  • NRGV crossed above at 2.84
  • UAMY crossed above at 2.85
  • BNO crossed above at 67.19

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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