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Dealer positioning

STX Gamma Exposure (GEX)

Oct 29, 2026 · 3-session delay

−$2.9MNet gamma
$720Call wall
$650Put wall
$679.42Spot at close

Seagate Technology Holdings (STX) closed that session in a negative gamma regime with net exposure of −$2.9M: dealers hedge by selling into weakness and buying strength, which amplifies moves in both directions. The dominant call wall sits at $720, while the put wall at $650 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

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