parlayParlay Calculator: Bet Slip, Expected Winnings, $ 0.00, Expected Payout, $ 0.00, Parlay Odds, Parlay Leg 1, Parlay Leg 2, Create Wager, Only American OddsLearn how to distinguish between parlay and parley, two words that are often confused. Parlay means to increase or use something, while parley means to negotiate or discuss.