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. 665 tickers have full history pages; 4,950 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.

My watchlist

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

Today's screens · Nov 6, 2026

all screens

Biggest chains by open interest

top 100
Largest options chains by current total open interest
TickerCloseGamma maxDist.Delta neutralDist.Open interest
SPX 7,376.86 8,249.73 +11.8% 7,371.76 -0.1% 19,071,750
SPY 735.35 799.03 +8.7% 758.02 +3.1% 17,050,333
NVDA 186.64 239.15 +28.1% 194.01 +3.9% 15,433,159
TLT 81.92 84.26 +2.9% 80.63 -1.6% 13,831,084
VIX 25.64 31.01 +21.0% 21.34 -16.8% 13,503,887
QQQ 656.10 765.55 +16.7% 694.67 +5.9% 13,237,795
EWZ 31.98 43.00 +34.4% 32.54 +1.7% 11,822,235
HYG 77.23 80.24 +3.9% 78.58 +1.7% 10,580,430
IWM 273.64 307.33 +12.3% 286.11 +4.6% 10,507,466
INTC 56.28 104.46 +85.6% 68.81 +22.3% 7,567,669
IBIT 42.88 50.41 +17.6% 42.62 -0.6% 7,197,642
XLF 57.16 61.53 +7.6% 56.26 -1.6% 6,243,205

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

  • MPT crossed above at 1.81
  • SLS crossed above at 8.42
  • U crossed above at 51.49
  • SG crossed above at 12.01
  • ACN crossed above at 260.50
  • REI crossed above at 1.11
  • KSS crossed above at 23.01
  • AS crossed above at 31.47

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

View all posts »