MediumMarket Making & Games
The Bookmaker’s Edge
SIG / SusquehannaDRW
A sportsbook quotes both sides of an evenly-matched game at American odds of −110 (stake 100). Implied probability of a −110 quote is 110/210. By how much do the two implied probabilities exceed 100%? Give the overround in percent.
Approach
Add the two implied probabilities and compare with 1.
Answer
Show the final answer
The answer is 4.76. Sign in free for the full worked solution and to check your own answer.
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