No-Vig & Hold Calculator

Strip the bookmaker's margin out of any market to see the true fair odds — then shop the best line.

Fair Odds & HoldNo-vig

OutcomeYour odds

Bookmaker Hold (vig)

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overround baked into the price

Total Implied

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sum of implied probabilities

Outcome	Your odds	Implied	Fair %	Fair odds

Fair odds remove the vig proportionally (multiplicative de-vig): each outcome's implied probability is rescaled so they sum to 100%. This is the market's honest price — anything a book offers above its fair odds is +EV.

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