Arbitrage Calculator
When 1/oddsA + 1/oddsB < 1, a guaranteed profit exists — split the stake to collect either way.
Result
Arb margin3.6%
Stake on 2.1£49.40
Stake on 2.05£50.60
Guaranteed return£103.73
Profit£3.73 (3.73%)
Arbitrage Calculator — FAQs
Is arbitrage legal?
Legal but bookies restrict accounts doing it — it's detected fast and limits get slashed. Exchanges can't limit you the same way.
Where do arbs come from?
Odds disagreements between bookmakers — usually on fast-moving markets. Windows last minutes, stakes get capped quickly.
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