Parlay Expected Value (EV) Calculator
Build a parlay and see the hit probability, fair odds, and expected value (EV) from our probabilities. Plug in the sportsbook's odds and we'll tell you whether that bet is +EV or −EV from our point of view. It's a free tool.
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0 legs
Parlay hit probability
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Fair odds (1/p)
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Expected value (EV)
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※ Parlay probability assumes each leg is independent (correlated games introduce error). Our probabilities are derived transparently from structured factors and do not guarantee a win.
Chicago Cubs @ Miami Marlins
Phoenix Mercury @ Portland Fire
Toronto Blue Jays @ Kansas City Royals
Arizona Diamondbacks @ Houston Astros
Washington Mystics @ Chicago Sky
Atlanta Braves @ Philadelphia Phillies
Boston Red Sox @ Baltimore Orioles
San Francisco Giants @ New York Mets
Detroit Tigers @ Cleveland Guardians
Minnesota Twins @ Chicago White Sox
Tampa Bay Rays @ Texas Rangers
New York Yankees @ San Diego Padres
Nashville SC @ New York City FC
St. Louis Cardinals @ Colorado Rockies
Los Angeles Sparks @ Dallas Wings
Los Angeles Angels @ Pittsburgh Pirates
Las Vegas Aces @ Seattle Storm
Washington Nationals @ Los Angeles Dodgers
Athletics @ Seattle Mariners
Connecticut Sun @ Atlanta Dream
Milwaukee Brewers @ Cincinnati Reds