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Module 6 – xG Supremacy and Team Strength

xG Decoded – Using Expected Goals to Predict, Trade, and Profit Smarter

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xGenius
Feb 05, 2026
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🎯 xG Decoded – Using Expected Goals to Predict, Trade, and Profit Smarter

Lesson 6.1 — Calculating xG Supremacy

Introduction

xG supremacy is the simplest and most powerful indicator of which team is truly in control of a match — regardless of scoreline.

It’s calculated by subtracting one team’s xG from the other’s:

xG Supremacy=Team A xG−Team B xG

The higher the number, the greater the underlying dominance.

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