A plain-English guide to the three gamma-exposure levels that shape an index’s daily range — the call wall (resistance), put wall (support), and gamma flip (the regime line) — and how dealer hedging makes them matter.
Gamma exposure (GEX) estimates how much dealers must trade to stay hedged — and its sign tells you whether the market will dampen or amplify moves. A plain-English guide to reading GEX.
The full glossary defines every term. Popular ones: Gamma wall · Delta neutral · Gamma · 0DTE options · Dealer hedging · Call wall · Put wall · Gamma exposure (GEX).
MARKET STRUCTURE · FLOW DETECTION · RISK DISCIPLINE
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