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. 619 tickers have full history pages; 5,005 more have snapshot pages.

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Current levels for tickers in this browser's watchlist
TickerCloseGamma maxDist.Delta neutralOpen interestActions

Today's screens · Sep 24, 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 767.27 788.69 +2.8% 763.66 -0.5% 17,760,156
SPX 7,704.13 8,196.06 +6.4% 7,266.36 -5.7% 15,889,141
NVDA 224.58 230.34 +2.6% 201.93 -10.1% 14,403,297
TLT 79.42 84.74 +6.7% 81.81 +3.0% 12,354,506
QQQ 741.10 758.15 +2.3% 724.55 -2.2% 12,106,710
VIX 15.67 20.67 +31.9% 14.30 -8.7% 11,981,455
IWM 281.69 309.33 +9.8% 290.90 +3.3% 9,746,120
EWZ 36.91 40.98 +11.0% 33.30 -9.8% 8,110,518
HYG 77.89 82.93 +6.5% 80.22 +3.0% 7,984,441
IBIT 47.81 49.48 +3.5% 42.46 -11.2% 7,453,890
INTC 127.39 130.18 +2.2% 105.39 -17.3% 5,907,088
SLV 57.62 64.93 +12.7% 55.93 -2.9% 5,782,924

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

  • MRNA crossed above at 194.82
  • IONQ crossed above at 44.98
  • MSOS crossed above at 5.18
  • ASST crossed above at 29.94
  • UNG crossed above at 11.55
  • UAA crossed above at 4.50
  • ON crossed above at 73.20
  • EH crossed above at 4.54

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.

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