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Missouri officially launched legal sports betting at midnight on Monday, 1 December, opening both online and in-person wagering across the state.
The move ends years of frustration for residents who have been driving to Kansas and Illinois to place legal bets. It also makes Missouri the 39th state to legalise sports wagering since the US Supreme Court struck down the federal ban in 2018.
Midnight launch meets voter-imposed deadline
The launch meets a constitutional deadline set by Missouri Gaming Commission Chairman Jan Zimmerman and team, after voters approved Amendment 2 in November 2024.
MGC chair Jan Zimmerman said the deadline was only met after months of work to put safeguards and licensing standards in place.
“There are hundreds of pages of everything that will regulate sports wagering in the state of Missouri,” Zimmerman said in October. “The staff spent late nights and weekends and some holidays. They were holed up in our conference room, which they started calling the war room.”
Under Amendment 2, only people aged 21 and over who are physically located in Missouri can place bets. Operators must pay a 10% tax on sports betting revenue, with proceeds directed to education, problem gambling programmes and the costs of running the MGC.
The commission opened the operator application window on 15 May 2025, set the 1 December go-live date soon after and allowed sportsbooks to begin customer pre-registration from 17 November. That gave bettors time to download apps and complete KYC checks before launch.
“The Gaming Commission is dedicated to making sure that, you know, no one inappropriate gets a license. That, you know, we vet all those people and we check financial background and criminal history.”
Licenses already issued in preparation for the launch
Since then, the MGC has issued a mix of mobile and retail licences. These include two state-wide, “untethered” mobile licences awarded to DraftKings and Circa.
“The Commission considered many factors before the two applicants were chosen… It was a difficult decision, but the Commission is only able to grant two licenses,” Missouri Gaming Commission Chairman Jan Zimmerman said.
Other brands – including bet365, BetMGM, Caesars, Fanatics, FanDuel, PENN and Underdog – are also entering the market through partnerships with Missouri casinos.
From ballot box to betting apps: a late but deliberate rollout
Missouri’s route to launch has been lengthy. Lawmakers failed several times to pass sports betting bills, so the issue went to voters in 2024. Amendment 2 passed with just over 50% of the vote after a high-profile campaign heavily backed by national operators.
Zimmerman has said the extra time allowed regulators to study other US markets and design a detailed rulebook.
The result is a launch that arrives later than in many neighbouring states but with tighter controls in place from day one.
‘No more parking on the Kansas state line’
One of the most immediate changes for fans is geographical. Since Kansas launched sports betting in 2022, many Missourians in the Kansas City area have been crossing the state line, parking at the first exit in Kansas and placing bets on their phones before driving back. Bettors near St Louis have been doing the same across the Mississippi River into Illinois.
Local broadcasters and officials repeatedly pointed to those border runs in the run-up to Missouri’s launch, presenting 1 December as the day fans no longer have to “drive over to Kansas to get their bets in”.
With Missouri now live, residents can wager on teams without leaving the state, as long as they use an MGC-licensed sportsbook.
Measured rollout aims for long-term stability
Zimmerman has characterised the rollout as a measured model aimed at building a sustainable market rather than chasing a one-off surge in tax receipts. Early projections suggest sports betting could generate around $28m a year in tax once the market matures.
