If one or more leg loses, your parlay loses as well.
For the parlay to win, the entire parlay needs to be correct. After you’ve added all the selections (called legs) to your bet slip, you’ll see the total odds for your parlay. These individual bets can be minus sign bets (favorites) or plus sign bets (underdogs). Parlays are a combination of multiple straight bets added to your bet slip.
A parlay is a bet type in sports betting.