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Dealer positioning

INSM Gamma Exposure (GEX)

Oct 29, 2026 · 3-session delay

+$12.4MNet gamma
$110Call wall
$80Put wall
$110.52Spot at close

Insmed (INSM) closed that session in a positive gamma regime with net exposure of +$12.4M: 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 $110, while the put wall at $80 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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More INSM data

Off-exchangeINSM Dark PoolPrints, levels, and off-exchange totalsOrder flowINSM Options FlowPremium totals, sweeps, and top strikesOverviewINSM Symbol OverviewEverything Robinflow tracks on INSM

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