LOCK THE PROFIT · TWO OR THREE WAY

💸 Arbitrage Calculator

What this tool is: found different prices at different books? Enter them with your bankroll and this splits the stakes so every outcome pays the same locked profit — with the arb % and ROI graded honestly.

American odds. Leave side C empty for a two-way market; fill it for three-way (soccer 1X2).
—LOCKED ROI
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Stake A
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Stake B
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Stake C
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Locked profit
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Market total %
💸 The live arb finder⚖️ Devig calculator🎰 The Money Room

How the math works

Convert each price to decimal, take each side's implied probability (1/decimal), and sum them. Under 100% and the market has a hole in it: stake each side in proportion to its implied probability and every outcome returns the same amount. The live arb finder hunts these across the board automatically; this page is for the ones you spot yourself — and for checking the finder's homework.