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. 663 tickers have full history pages; 4,948 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 · Nov 5, 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 7,353.73 8,302.96 +12.9% 7,380.81 +0.4% 18,828,252
SPY 733.11 807.27 +10.1% 765.25 +4.4% 17,033,691
NVDA 181.60 230.46 +26.9% 195.28 +7.5% 15,640,542
TLT 81.93 83.50 +1.9% 80.49 -1.8% 14,164,754
QQQ 647.05 776.62 +20.0% 705.32 +9.0% 13,482,202
VIX 28.18 34.72 +23.2% 22.94 -18.6% 13,088,881
EWZ 31.76 42.22 +32.9% 33.32 +4.9% 12,131,209
IWM 271.00 308.53 +13.8% 286.82 +5.8% 10,791,795
HYG 77.28 80.34 +4.0% 78.61 +1.7% 10,493,335
INTC 52.25 107.80 +106.3% 68.47 +31.0% 7,984,222
IBIT 43.03 49.62 +15.3% 42.74 -0.7% 7,257,423
XLF 57.51 61.95 +7.7% 56.17 -2.3% 6,180,267

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 1.88
  • RUN crossed above at 9.87
  • UAA crossed above at 5.55
  • BTG crossed above at 5.27
  • SQQQ crossed above at 49.55
  • UVXY crossed above at 23.61
  • RZLV crossed above at 1.22
  • CAPR crossed above at 8.60

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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