Home/Symbols/GEX/SPY
Dealer positioning

SPY Gamma Exposure (GEX)

Oct 29, 2026 · 3-session delay

−$1.7BNet gamma
$800Call wall
$765Put wall
$764.49Spot at close

State Street SPDR S&P 500 ETF Trust (SPY) closed that session in a negative gamma regime with net exposure of −$1.7B: dealers hedge by selling into weakness and buying strength, which amplifies moves in both directions. The dominant call wall sits at $800, while the put wall at $765 marks the heaviest downside hedging concentration.

Gamma by strike and expiration

How to read this: each column is an expiration, each row a strike. Gold cells mark the largest positive-gamma concentration per expiration (price magnets), purple the most negative (acceleration zones). Walls are where hedging flows are heaviest. Learn how GEX works →

What these terms mean: Gamma exposure·Call wall·Put wall

This summary is three sessions old. Watch today live.

Real-time dark pool prints, options flow, GEX, and AI analysis for SPY and 18,000+ symbols.

Start Free Trial

Full Pro access. 7 days free. Card required · cancel anytime.

Create a free account to see SPY in the app preview

More SPY data

Off-exchangeSPY Dark PoolPrints, levels, and off-exchange totalsOrder flowSPY Options FlowPremium totals, sweeps, and top strikesOverviewSPY Symbol OverviewEverything Robinflow tracks on SPY

Related symbols

TSLAORCLAMZNMSFTNVDAAVGO