Greeks
Gamma Risk
Risk from rapid delta changes
What is Gamma Risk?
Gamma Risk The risk that delta changes rapidly, particularly for ATM options near expiration. Sellers are short gamma and face increasing risk as expiration approaches.
Complete Definition
The risk that delta changes rapidly, particularly for ATM options near expiration. Sellers are short gamma and face increasing risk as expiration approaches.
AV
Written by
ApexVol Research Team
Quantitative options research
All calculations use live institutional-grade data — the same source used by professional volatility desks.
RS
Technical reviewer
Ryan Silk, ApexVol Founder
Reviewed for technical accuracy
10+ years trading options. Built ApexVol's pricing engine, Greeks model, and IV-rank methodology.
This guide is updated as market conditions and institutional data change. Last revised 2026-05-12.
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