Amendment 2 in Missouri: Sports Betting Law in MO Explained

Amendment 2 Missouri: Quick Facts

Amendment 2 amended the Missouri Constitution to allow for legal retail, online and mobile sports betting. Here are the quick facts on Amendment 2:

📄 Full Bill Text:	Amendment 2
📚 Sports Betting Licenses:	14
✅ Licenses Available To:	Casino Operators (6), Pro Sports Teams (6), Untethered (2)
💰 License Fees:	$500,000 (Mobile), $250,000 (Retail)
⚖️ Sports Betting Tax:	10% On Revenue
🏛️ Sports Betting Regulator:	Missouri Gaming Commission
📆 Last Verified:	February 21, 2025

Read on below as we expand on each need-to-know fact on Amendment 2 Missouri, one of the newest gambling laws in MO. 

Amendment 2 Sports Betting Licenses

Amendment 2 allows for up to 14 sports betting licenses. These licenses are available to:

• 6 to Missouri Casino Operators (Affinity Interactive, Boyd gaming, Bally's Corp, Caesars Entertainment, Century Casinos, PENN Entertainment)
• 6 to Missouri's Pro Sports Teams (KC Chiefs, KC Royals, KC Current, STL Blues, STL Cardinals, STL City SC)
• 2 Untethered Licenses

It remains to be seen which operators will claim these licenses, but each will offer a unique experience and Missouri sportsbook bonuses.

Sports Betting License Fees in Missouri

Sports betting license fees will vary depending on the license type, as detailed in the Amendment 2 text, and it's worth noting that fees haven't been finalized just yet. 

• Retail licensees will cost up to $250,000, with renewals up to $250,000 every 5 years. 
• Mobile and online licensees will cost up to $500,000, with renewals up to $500,000 every 5 years. 

Sports Betting Tax

Amendment 2 institutes a sports betting tax of 10% on adjusted gross revenue from sports betting. And this goes for sports betting licensees and sports betting operators acting on behalf of a licensee. Annual revenue received from sports betting will go toward funding for educational purposes. 

That means that sportsbooks will pay 10% of the revenue generated in Missouri, not bettors themselves. We have a page dedicated to answering all types of questions on gambling taxes in Missouri. 

Sports Betting Regulator

Amendment 2 establishes the Missouri Gaming Commission as the sports betting regulator for the Show-Me State. That includes licensing and regulating sports betting activities in the state. The MGC also carries similar responsibilities for the state's riverboat casinos, daily fantasy sports and charitable bingo. 

What is Amendment 2 in Missouri?

Amendment 2, sometimes referred to as the Sports Betting Initiative, made retail and Missouri betting apps legal. This legislation allows the Missouri Gaming Commission to license and regulate sports betting in the state and grants provides for operators to pursue licenses with the Missouri's professional sports teams and casino operators.  

Did Amendment 2 Pass in Missouri?

Yes, Amendment 2 passed in Missouri. The passage of this legislation means that Missouri will finally have legal sports betting sometime in 2025. 

When Did Amendment 2 Pass?

Amendment 2 passed on November 4, 2024 after Missouri voters narrowly approved the measure by less than 3,000 votes. After being approved by the Missouri Senate and House, the bill required final approval by voters.