Tool

Arbitrage finder

Drop two-way lines from two books in. See the split stake, guaranteed return, and arb percentage.

Stake A
$47.59
Stake B
$52.41
Guaranteed return
$102.32
Locked profit
$2.32
Arbitrage: 2.27% guaranteed return.
How to read this
A real arb is rare — and books limit accounts that find them

If the combined implied probability is under 100 %, you've found an arb. Most lines settle at +2-5 % vig; use this to confirm whether the gap is exploitable after fees.

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