Most parlays are how the books win. Pick your sportsbook, build from live +EV edges priced at that book, and we do the real math: the true price of your parlay, your actual edge at that book, the payout, and a disciplined size. Every leg lives on one slip at one book, so what you see is a bet you can actually place. We are honest about correlation, where every other tool quietly lies to you.
A parlay joins two or more bets into one ticket; every leg has to win for the ticket to pay. The builder lets you add legs, then shows the combined odds, the payout on your stake and the probability the market gives the whole ticket after the bookmaker's margin is removed from each leg.
That last number is the honest one: books price every leg with a margin, and those margins multiply as you add legs, so a parlay usually pays less than its true chance would justify. Use the builder to see that cost before you bet, compare the same ticket at different books, and check whether a correlated leg is allowed. Odds shown come from the regulated US books we track and can change before you place the ticket.
One book, every leg at that book's price, an estimate from straight prices.
Made-up prices. If both legs were from the same game, the builder would show no joint edge, fair or stake, and no price at all until you enter the price your book's slip shows.
A parlay's true price is the fair combined odds of all its legs with the sportsbook margin removed. Comparing it to the offered payout shows whether the parlay carries value or hidden vig.
It lets you combine legs and instantly shows each leg's fair price, the parlay's combined odds, and whether the payout beats or trails the true price.
Yes. Pick Novig, ProphetX or Kalshi as your book. The price shown is an estimate. At Novig and ProphetX it is each leg's price after that exchange's fee, multiplied. At Kalshi a combo is one contract, so it is the legs' contract prices multiplied with Kalshi's fee taken once. Each venue sets its own parlay price and our feed doesn't include it, so check it before you bet. Same-game legs may be priced differently or blocked on an exchange. Kalshi is hidden in states where it isn't available.
FanDuel, and DraftKings for game lines: their own links show a whole parlay loading into the betslip, so the slip shows one Bet all legs button there. At every other book you add each leg in order with its own Open link and tick it off. No link ever fills in a stake, and no button adds only the first leg.
No. It is the single-bet prices multiplied together. Books price parlays with their own model, so check the price on your slip before you bet.
Yes. Save keeps it on this device. Share copies a link with the legs and the book only, nothing about you. Legs that have left the board since are dropped when the link opens.
Legs from one game are linked: if one wins, the other is more or less likely. Multiplying the prices would be wrong, so we show no edge and no price until you enter the price your book's slip shows.
Some pairs can't both win, like the Over and the Under on the same player. The builder blocks those pairs.
How these numbers are built, and what can make them wrong: how we test our tools · how we make money