Vig calculator
Book
103.91%
Overround
+3.91%
Hold
+3.77%
The implied chances add up to 103.91%. The extra 3.91% is the bookmaker's margin (the overround), which is 3.77% of what is staked if the stakes are balanced (the hold).
18+. Arithmetic on the prices you enter, not a tip or a prediction. Prices can move, and bets can be limited or voided, before both are placed. Gambling Help Online: 1800 858 858.