In a 50/50 Contest, you win if your lineup finishes in the top half of entrants. In this contest type, 50% of players will win, as the name suggests.
View this visual example below.
A 50-50 Contest Type pays ½ of the entrants out in the contest if their team lineup finishes in the top half. Every player finishing in the top half wins the same prize amount.
As an example only: You enter an NFL $530 50-50 Contest and submit a lineup. In this contest, a maximum of 24 players can enter this contest. If your lineup makes it to the position of 1- 12 within the contest, you will win the prize payout.
It depends on the contest. If a 50-50 Contest allows for multiple entries, you would see the multi-entry () icon in the contest details.