Arbitrage Calculator
Find pricing inefficiencies between bookmakers and calculate the exact stake distribution to lock in a guaranteed profit.
Why arbitrage exists
Bookmakers disagree on prices. When the total implied probability is below 100%, a guaranteed profit is possible no matter which outcome occurs.
Enter decimal odds and your total stake
Market type
Fees & Taxes
Toggle to apply exchange commission or betting tax.
Works best with decimal odds
Enter decimal odds above 1.00 and a total stake to analyse the market.
Guide
Everything you need to use this tool with confidence.
The Arbitrage Calculator shows you whether an arbitrage (surebet) exists between different odds.
An arbitrage arises when different bookmakers offer such different odds that, regardless of the outcome, a mathematically guaranteed profit is possible.
The calculator automatically computes the optimal stake distribution and your potential profit.
Like what you see? Log this bet in the Bet Tracker and watch your edge play out over time.
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