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How the Arbitrage Calculator Works

Our arbitrage calculator enables you to input the odds for two or more bets and determines the exact stake required on each to secure a guaranteed profit. Should the ROI show a negative value, the opportunity is not profitable and will result in a guaranteed loss.

What is an Arbitrage Bet?

An arbitrage bet—also known as a "surebet," "surewin," or "miraclebet"—involves placing wagers on various outcomes of an event to ensure a profit, regardless of the result. In the best case, it locks in a guaranteed profit; at the very least, it ensures that no money is lost, with the possibility of a profit depending on the outcome.

Arbitrage betting exploits price discrepancies for the same event across different sportsbooks, guaranteeing the bettor’s investment is safe. The key is the variance in odds, which can be strategically leveraged to ensure a positive return, no matter the result.

Example of Sports Arbitrage Betting

Arbitrage opportunities arise when sportsbooks disagree on the likely outcome of an event, creating a window for bettors to capitalize.

For instance, imagine an NBA game between the Houston Rockets and the Cleveland Cavaliers.

Sportsbook A offers:

• Houston Rockets: $1.50 (-200)

• Cleveland Cavaliers: $2.50 (+150)

• Sportsbook B offers:

• Houston Rockets: $1.80 (-125)

• Cleveland Cavaliers: $2.20 (+120)

Here, the odds differ between the two sportsbooks, indicating they have varying opinions on the teams' chances. A savvy bettor could place $55.55 on the Houston Rockets with Sportsbook B, ensuring a $100 payout if Houston wins. Simultaneously, $40.00 could be placed on the Cleveland Cavaliers with Sportsbook A, guaranteeing another $100 payout if Cleveland wins.

Regardless of the game’s outcome, the bettor has staked a total of $95.55 and will receive $100 in return, creating a profit no matter who wins. This is the essence of sports arbitrage—an opportunity to increase your bankroll by capitalizing on odds and discrepancies.

Arbitrage Betting Strategies

Numerous strategies exist for exploiting arbitrage opportunities. This guide will outline two of the primary approaches for leveraging these bets effectively, helping you maximize your returns while minimizing risks.