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Poker glossary

Equity

What it means

Equity is your percentage chance of winning the pot at showdown if all remaining cards are dealt. It represents your mathematical share of the pot based on how often your hand wins against your opponent’s range of possible hands. Unlike pot odds which tell you whether to call right now, equity measures your raw winning chances over all possible runouts.

How it works at the table

You hold A♠ K♠ and the flop comes Q♠ J♠ 5♦. Your opponent moves all-in for 50bb into a 40bb pot. Against a typical range of top pair, two pair, and draws, your hand has roughly 55% equity. You’re getting 90bb to win 140bb total, needing 64% equity to break even on the call. Since your 55% equity falls short of the required 64%, this is a fold despite having a strong draw. Equity calculations become the foundation for every major decision - they tell you whether you’re ahead or behind and by how much.

Strategic context

Equity drives every profitable decision in poker. When you have more equity than the pot odds require, calling becomes profitable. When your equity exceeds your opponent’s, betting for value makes money. Understanding equity also reveals why position matters so much - acting last lets you realize your equity more often by seeing free cards or controlling pot size. Professional players constantly estimate equity during hands, using it to size bets, determine whether to bluff-catch, and decide when to apply pressure.

Common mistakes

Players often confuse equity with expected value - having 60% equity doesn’t mean you’ll win 60% of the time in a single hand. Another error is calculating equity against specific hands instead of ranges. If you only consider your equity against AA when your opponent could have 30 different hands, you’ll fold too often. Many players also ignore how equity changes across streets - your 35% equity on the flop might become 0% or 100% by the river.

Equity forms the mathematical backbone of poker strategy alongside implied odds and fold equity. While equity measures your winning chances, implied odds factor in future betting. Understanding how equity shifts across streets helps you evaluate whether to continue with draws. Raw equity also differs from equity realization - having 50% equity means less out of position where you’ll often have to fold before showdown.