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// LEARN · TOOLS · PARLAY PROBABILITY

// TOOL

PARLAY PROBABILITY CALCULATOR

Combine up to eight legs and see the parlay's true probability, fair price, and the book's hold on the combined ticket.

Learn/Tools/Parlay probability

Parlay Probability

// WB://TOOLS/PARLAY-PROB
L152.4%
L252.4%
L352.4%

Parlay analysis

Parlay decimal odds6.958
Parlay American+596
Implied (book)14.37%
Fair probability14.37%
Fair odds+596
Hold on ticket0.00%

Implied probability assumes legs are independent. Same-game parlays are correlated; book SGPs adjust pricing in the book's favor. Fair probability uses your supplied estimates if any leg has one, otherwise the implied probability of the leg's odds. Expected value: +0.00%.