The early payout option is accessible once two or more players in a user's lineup have begun participating in their respective contest, with payout values updating throughout the matchups.
The operator also issued a trading update to shareholders, stating 'exceptionally customer-friendly sports results' affected operations for September and impacted sports betting margins.
After more than a year's absence, PrizePicks has been given an interactive fantasy sports operator license by the New York Gaming Commission, returning in coming weeks.
Under the partnership terms, Underdog and the Royals will collaborate on marketing campaigns and philanthropic initiatives, in addition to the market access component.
The lottery, casino and sports betting operator makes its largest US investment to date.