How to Use the No-Vig Fair Odds Calculator
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The No-Vig Fair Odds Calculator helps you find the true fair odds of a betting market by removing the bookmaker’s vig (or juice). Vig is the margin that sportsbooks include in their odds to ensure they make a profit regardless of the outcome. By eliminating the vig, you can understand the actual probabilities of the outcomes and identify value bets.
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To use the calculator, start by entering the American odds for both teams or outcomes from your chosen sportsbook. These odds can be either positive or negative. For example, you might see odds of -120 for Team A and +110 for Team B. Once you enter the odds, the calculator will instantly display the No-Vig Fair Odds for both teams. These odds represent the true probability of each team winning, without the sportsbook’s built-in profit margin.

The calculator works by removing the vig, converting the American odds into implied probabilities for each team. It then combines these probabilities, normalizing them to 100%, and converts them back into No-Vig Fair Odds. The result is the true odds for both teams or outcomes, reflecting the fair market without the bookmaker’s markup.

By understanding the fair odds, you can compare them with the offered odds from various sportsbooks and identify opportunities for value betting, where the offered odds are higher than the true odds.