ITA Gamma Exposure (GEX)
Wednesday, September 9, 2026 · 3-session delayed summary
−$27KNet gamma
$250Call wall
$240Put wall
$220Spot at close
iShares U.S. Aerospace & Defense ETF (ITA) closed that session in a negative gamma regime with net exposure of −$27K: dealers hedge by selling into weakness and buying strength, which amplifies moves in both directions. The dominant call wall sits at $250, while the put wall at $240 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.
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