DraftKings is one of the largest online sportsbooks in the U.S., offering an extensive range of betting markets across professional and college sports. Known for its intuitive interface and robust same-game parlay options, it also integrates daily fantasy sports features.

FanDuel is popular for its user-friendly platform and competitive odds. It features a wide variety of markets, live betting options, and frequent promotions, making it a go-to choice for both new and experienced bettors.

BetMGM combines a sleek app experience with deep market coverage and exclusive odds boosts. Backed by MGM Resorts, it offers strong integration with the company’s casino properties and a robust rewards program.

Caesars Sportsbook is known for its generous promotions and loyalty rewards program that ties directly into Caesars’ resorts and casinos. It offers competitive odds, live betting, and frequent boosts for major sporting events.