Blog
GEX, 0DTE levels, and how futures traders read them
Practical pieces on gamma exposure, call/put walls, and session maps for ES & NQ — written around how GammaTape shows the data. We publish when there is something worth saying.
8 min readBy GammaTape
What Is Gamma Exposure (GEX)? A Map for ES & NQ Traders
Gamma exposure measures how dealers must hedge as price moves. Learn what call walls, put walls and zero gamma mean for 0DTE SPX/NDX — and how futures traders use them.
GEX0DTEESNQRead article
7 min readBy GammaTape
Volume GEX vs Open Interest GEX: Why the Ladder Disagrees
0DTE net GEX by volume and by open interest can tell opposite stories at the same strike. Learn how to read both ladders and what the disagreement means for the session.
GEXVolumeOpen Interest0DTERead article
7 min readBy GammaTape
How to Read 0DTE Call Walls, Put Walls and Zero Gamma on the Chart
A practical walkthrough of SPX/NDX 0DTE levels on a price chart — call wall, put wall, zero gamma, expected move — plus how session replay trains your eye.
Call wallPut wallZero gammaReplayRead article