Best sportsbooks in Missouri.
Missouri has an open online market. These are the operators worth a spot in your line-shopping rotation — and whichever you use, Big Mike's engine watches all of them for mispriced lines.
Sportsbooks live in Missouri
The biggest book in America by handle. Deep markets, fast payouts, and consistently competitive pricing on favorites.
The widest state footprint in the country and the deepest prop menus — often where Big Mike's engine finds outlier prices.
Full market coverage with frequent odds boosts — worth a spot in any line-shopping rotation.
The newest major entrant, live in most legal states with rewards tied to the Fanatics ecosystem.
The global giant, still expanding in the US — known for broad international markets and sharp soccer/tennis pricing.
Penn's rebuilt book (formerly ESPN BET), tied into theScore's media app. Live in 21 jurisdictions.
Prediction markets in Missouri
CFTC-regulated event exchanges — not sportsbooks, but a legal way to trade sports outcomes in most states. State challenges are ongoing; availability can change quickly.
CFTC-regulated prediction market with sports event contracts — a federal-framework option in most states, including ones without legal sportsbooks.
Peer-to-peer prediction market back in the US under CFTC oversight — sports markets trade like contracts, priced by the crowd.
Common questions
Is online sports betting legal in Missouri?
Yes. Missouri has a regulated online market with 7 major operators live, including FanDuel, DraftKings, BetMGM.
Which sportsbooks operate in Missouri?
FanDuel, DraftKings, BetMGM, Caesars Sportsbook, Fanatics Sportsbook, bet365, theScore Bet. Availability changes as operators launch and exit — confirm in the app.
Does Big Mike take bets?
No. Big Mike is an analysis service: the engine compares prices across books against no-vig fair value and texts you the mispriced lines. You place bets at whichever operator you choose.
Big Mike holds no affiliate relationships with the operators above — links are plain references. Availability verified July 2026 and changes monthly; confirm in the app. 21+, where legal. Gambling problem? Call 1-800-GAMBLER.
Whichever Missouri book you use, Big Mike texts you its mispriced lines.
Text(870) 244-6453Mispriced lines, injury alerts, and results — in your iMessage before the window closes.
