BetMGM is an online sports betting and gaming platform that operates in the United States. It is a joint venture between MGM Resorts International and Entain, a global sports betting and gaming company. BetMGM offers a wide range of betting options, including sports betting, online casino games, and poker. The platform is available in several states where online gambling is legal, providing users with a user-friendly interface and various promotions. BetMGM is known for its competitive odds and a loyalty program that rewards players for their activity on the site.