Gamma ExposureGEX

伽马敞口

Sentiment & DerivativesP2OptionsApplies to: US stocks

Definition

Market makers' aggregate net Gamma, affecting hedging and volatility.

Formula

Σ(Gamma×OI×multiplier×underlying price²×± sign)

How to read it

Positive Gamma = buy-low/sell-high suppresses volatility; negative Gamma = chase up/dump down amplifies volatility; the Gamma Flip is the key switch.

Outputvalue/series
Data source: SpotGamma etc.. Public knowledge, not investment advice.

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Reference metadata — public, well-known indicator definitions. Not investment advice.