What is Arbitrage Betting?
Definition
A strategy that exploits pricing differences between bookmakers to guarantee a profit regardless of the outcome. Arbitrage opportunities are rare and short-lived because sportsbooks adjust their lines quickly.
Related Terms
A strategy focused on finding bets where the implied probability from the odds is lower than the bettor's estimated true probability of the outcome. Consistent value betting is the foundation of long-term profitable wagering.
A numerical representation of the likelihood of an outcome and the potential payout. Odds formats include decimal (2.50), fractional (3/2), and American (+150), each conveying the same probability differently.
A mathematical calculation of the average amount a bettor can expect to win or lose per bet over time. Positive expected value (+EV) bets are the only sustainable path to profitability in sports wagering.