Texas Hold'em Knowledge Hub
Poker Term

Break-Even Equity

盈亏平衡胜率

Context: Term: Break-Even Equity Break-even equity is the equity required for a decision (e.g., call, raise) to have an expected value of zero. In practice, it is used to determine whether the current pot odds support continuing the action: when actual equity is higher than break-even equity, the decision is +EV; otherwise, it is -EV. For example, if there are 100 chips in the pot, an opponent bets 50, and you need to call 50, the pot odds are 150:50, or 3:1, corresponding to a break-even equity of 25%. If you estimate your hand's showdown equity exceeds 25%, calling is profitable.

Break-Even Equity

Concept

Break-Even Equity is a key metric in Texas Hold'em for evaluating whether a decision is profitable. It represents the equity required for a specific action to have an expected value (EV) of zero. If your actual equity is higher than the break-even equity, the action is +EV; if lower, it is -EV.

Calculation Method

The most common application is calling. The formula for break-even equity when calling is:

Break-Even Equity = Call Amount / (Call Amount + Total Pot)

Here, the total pot includes the current pot plus the opponent's bet (but not your own call). For example, if the pot is 100 and the opponent bets 50, you need to call 50. The total pot is 150 (100+50), and the call amount is 50, so the break-even equity = 50 / (50+150) = 25%. This means you need at least 25% equity for the call to be profitable.

For raises or all-ins, the calculation is more complex and usually requires considering factors like fold equity.

Applications

  • Calling decisions: Compare your hand's equity against the opponent's range to the break-even equity.
  • Bluffing: Calculate the required success rate for a bluff, i.e., the break-even fold equity.
  • Range construction: In post-flop strategy, ensure your calling range has sufficient equity.

Notes

Break-even equity only considers direct pot odds and does not include implied odds, reverse implied odds, or ICM factors. In actual play, these factors should be combined for a comprehensive judgment.

Example

Suppose the pot on the flop is 200, and the opponent bets 100. You need to call 100, making the pot 300. The break-even equity = 100 / (100+300) = 25%. If your draw has a 30% chance to complete on the next card, then the call is +EV.

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