Enter the best available price on each side and a total stake to see whether the prices create an arbitrage and the stake split for the same return either way.
An arbitrage exists only when the implied probabilities of every outcome add to less than 100%. A positive result can still disappear when a line moves, a stake is limited, or a leg is voided.
These calculators describe the arithmetic of betting prices. They are not betting advice and no outcome is guaranteed. 21+.