Caesars Sportsbook — competing for #3-#4 in 5W's Sports Betting & Gaming AI Visibility Index 2026. Caesars Entertainment (CZR), William Hill US acquired 2021, Caesars Rewards loyalty moat. The EPR entity reference.
Fanatics Sportsbook — the most-cited surging challenger in 5W's Sports Betting Index. PointsBet US acquired January 2023 for ~$150M. Matt King CEO of FBG, Michael Rubin Fanatics chairman. The 100M-sports-fan platform-CAC advantage.
Kalshi — the first CFTC-registered designated contract market for event contracts. Founded 2018 by Tarek Mansour and Luana Lopes Lara (MIT). Sequoia-backed. The regulatory-clarity-first answer to Polymarket. The EPR entity reference.
Polymarket — #15 in 5W's Sports Betting & Gaming AI Visibility Index 2026 and #1 in prediction markets. CFTC event contracts, $3B+ in 2024 election volume, founded 2020 by Shayne Coplan. The EPR entity reference.
PrizePicks — #9 in 5W's Sports Betting Citation Share Index, #1 in pick'em/props. Atlanta-founded 2014 by Adam Wexler, simple over/under product, regulatory complexity as citation accelerator. The EPR entity reference.
ESPN Bet — #5 in 5W's Sports Betting Citation Share Index. Penn Entertainment-operated, ESPN brand-licensed (10yr, ~$1.5B+ warrants). The most-cited modern example of media-backed sportsbook citation compounding.
BetMGM — #3 US sportsbook (~14% GGR) and #3 in 5W's Sports Betting & Gaming AI Visibility Index 2026. MGM Resorts / Entain JV, Adam Greenblatt CEO, EBITDA-positive 2023. The EPR entity reference.
DraftKings — #2 US sportsbook (~34% GGR) and #2 in 5W's Sports Betting & Gaming AI Visibility Index 2026. Boston-founded 2012, Jason Robins CEO, NASDAQ: DKNG. The EPR entity reference.
FanDuel — #1 US sportsbook (~44% GGR) and #1 in 5W's Sports Betting & Gaming AI Visibility Index 2026. Flutter Entertainment-owned, Amy Howe CEO. The EPR entity reference.