Free calculator
Arbitrage (Sure Bet) Calculator
Bet both sides of a 2-way market across different sportsbooks to lock guaranteed profit. Enter the best odds on each side and your total stake.
Stake on Side A
$49.40
Stake on Side B
$50.60
Guaranteed payout
$103.73
Profit
$3.73
Profit %
3.73%
What this means
An arb exists when the sum of implied probabilities (1/odds) across all sides is below 1.00. We split your stake so each side returns the same amount — you win the same payout regardless of outcome.
Total implied: 0.9640 (arb!)
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