Arbitrage calculator
Enter odds for 2–3 outcomes from different books. We'll tell you whether the sum of no-vig probabilities is under 100% — and if so, the stake split that locks in profit either way.
Team A / Fighter A
Team B / Fighter B
Draw / Over-Under (optional)
No arbitrage
Total implied probability: 0.0%
Arbitrage requires the sum to be under 100%. The book's vig is eating any edge here — keep shopping.
Books frequently limit accounts that arb consistently — proceed at your own risk. The in-app +EV Scanner finds cross-book arbs automatically for live UFC slates.