International sports betting operator Flutter has warned of a hit to revenues and profits after U.S. gamblers enjoyed a string of winning bets on the NFL.

Flutter said this football season has seen the most “customer-friendly” NFL outcomes since the launch of online sports betting.

DUBLIN (Reuters) - Flutter, the world's largest online betting company, said on Tuesday it expects 2024 earnings at its fast-growing U.S. FanDuel brand to be sharply lower after American football gamblers enjoyed an unprecedented winning streak.

Some of the National Football League’s strongest teams are having dominant seasons—and that’s helping sports bettors beat the house.FanDuel owner Flutter Entertainment cut its fourth-quarter U.S. guidance late Tuesday,

Flutter Entertainment Plc warned that its U.S. results will be lower than anticipated because too many NFL favorites won this season, giving customers better payouts.

Flutter Entertainment lowered its full-year 2024 U.S. outlook citing unfavorable sports results from mid-November through all of December.