No-Vig & Hold Calculator

Enter the odds for each outcome to estimate fair probabilities and the bookmaker’s margin.

Fair Odds & HoldNo-vig

OutcomeYour odds

Bookmaker Hold (vig)

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the book's built-in margin

Total Implied

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sum of implied probabilities

Outcome	Your odds	Implied	Fair %	Fair odds

Fair odds remove the margin proportionally, scaling each outcome's implied probability so they add up to 100%. Any price longer than the fair odds is a value bet.

Line ShoppingBest price

Enter the same bet's price at each book. We flag the best line and how much more it pays.

BookOdds

Best Price

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Beats the field by

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vs average of the rest

Book	Odds	Implied	vs best