Customers have filed thousands of complaints against the biggest U.S. online sports-betting operators in recent years, many of which reported delays or glitches in withdrawing money, according to a review of Better Business Bureau records.
About 2,400 complaints naming the big-three operators have been lodged in the U.S. in the past three years, according to the bureau. A large number of the complaints focus on dayslong or even weekslong wait times for taking out winnings.
FanDuel Group, DraftKings Inc. and BetMGM combined have an estimated 77% of the online sports-betting market in the U.S., according to Eilers and Krejcik Gaming, an industry research firm.
BetMGM is a joint venture between Las Vegas-based MGM Resorts International and British gambling firm Entain PLC.