VOO Gamma Exposure (GEX)
Wednesday, September 9, 2026 · 3-session delayed summary
+$7.3MNet gamma
$715Call wall
$702Put wall
$701.19Spot at close
Vanguard S&P 500 ETF (VOO) closed that session in a positive gamma regime with net exposure of +$7.3M: dealers hedge by selling rallies and buying dips, which tends to dampen moves and pin price near heavy strikes. The dominant call wall sits at $715, while the put wall at $702 marks the heaviest downside hedging concentration.
Gamma by strike and expiration
Expiration
Positive gammaNegative gammaSpot
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
This summary is three sessions old. Watch today live.
Real-time dark pool prints, options flow, GEX, and AI analysis for VOO and 18,000+ symbols.
Start Free TrialFull Pro access. 30 days free.