Vig & Implied Probability Calculator
Enter American odds for both sides to see implied probabilities, vig, and fair odds.
American odds (e.g. -150 or +200)
American odds (e.g. -150 or +200)
Implied Probabilities
Team A52.38%
Team B52.38%
Total104.76%
Vig (Hold)
4.55%
Average vig.
Fair Odds (No Vig)
Team A
-100
50.00% true prob
Team B
-100
50.00% true prob
Fair odds remove the sportsbook's built-in margin. If your own model gives a team a higher true probability than the fair odds suggest, that's potential value.