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Gamma Exposure

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Gamma Environment

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Key Gamma Levels

Understanding Gamma Exposure

Gamma Exposure (GEX) measures the dollar amount market makers need to hedge for every 1% move in the underlying stock price for the selected expiration.

Key Concepts:

  • Positive GEX: Market makers buy as price falls, sell as price rises (price suppression)
  • Negative GEX: Market makers amplify moves (momentum/volatility)
  • Zero Gamma Strike: Flip point where gamma exposure transitions from positive to negative