Baltimore Sues Kalshi and Polymarket Over Sports Event Contracts, Alleging Unlicensed Gambling

The city of Baltimore has filed a lawsuit against prediction-market platforms Kalshi and Polymarket, alleging that their sports event contracts constitute unlicensed gambling and violate Maryland law. The suit, reported by The Block, marks one of the first major municipal actions against the rapidly growing prediction market industry, which has expanded into sports betting territory without traditional state gaming licenses.

Legal Claims and City’s Argument

Baltimore Mayor Brandon Scott stated that the companies appear to believe they can bypass state regulations by rebranding sports betting as “event contracts.” The city argues that these products are functionally indistinguishable from sports wagers, yet they operate outside the licensing and consumer protections required of legal sportsbooks in Maryland. The lawsuit seeks to halt the sale of such contracts to city residents and may impose penalties for past violations.

Background on Prediction Markets

Kalshi and Polymarket have gained significant traction by allowing users to trade on the outcomes of real-world events, including elections, economic data, and sports games. While Kalshi is a federally regulated exchange that has received approval from the Commodity Futures Trading Commission (CFTC) for certain event contracts, Polymarket operates largely on blockchain technology and is not registered as a U.S. exchange. The legal status of these platforms has been a gray area, with regulators scrutinizing their offerings. The Baltimore lawsuit could set a precedent for how local governments treat these platforms, especially as they increasingly resemble sportsbooks.

Implications for the Prediction Market Industry

This legal action arrives at a critical time for prediction markets, which have seen explosive growth and heightened regulatory attention. If Baltimore succeeds, other municipalities and states may follow suit, potentially forcing platforms to seek state gambling licenses or restrict their sports-related products. The outcome could also influence federal regulatory approaches, as the CFTC and Congress debate the scope of event contracts. For users, the case underscores the legal uncertainties surrounding these platforms and the potential for sudden changes in availability.

Why This Matters to Consumers

For everyday users, the lawsuit highlights the risks of participating in unregulated or semi-regulated betting platforms. Unlike licensed sportsbooks, which are subject to state oversight and responsible gambling measures, prediction markets may not offer the same protections. This case serves as a reminder to verify the legal standing of any platform before depositing funds, as legal challenges could disrupt operations and affect user funds.

Conclusion

Baltimore’s lawsuit against Kalshi and Polymarket represents a significant legal challenge to the prediction market industry. By framing these sports event contracts as illegal gambling, the city aims to bring the platforms under state regulatory control. The case will likely be watched closely by regulators, industry players, and consumers, as its outcome could reshape the landscape of online event trading and sports betting in the United States.

FAQs

Q1: What are sports event contracts?
Sports event contracts are financial instruments that allow users to bet on the outcome of a sports event, such as which team will win a game. Platforms like Kalshi and Polymarket offer these contracts, which function similarly to sports betting but are structured as trades.

Q2: Are prediction markets legal in the U.S.?
The legality varies. Kalshi is regulated by the CFTC for certain contracts, while Polymarket has faced regulatory actions in the past. However, state gambling laws may still apply, as Baltimore’s lawsuit argues. The legal landscape is evolving, and users should be aware of the risks.

Q3: What could happen if Baltimore wins the lawsuit?
If the city prevails, Kalshi and Polymarket may be required to stop offering sports event contracts in Baltimore and potentially pay fines. This could lead to similar actions in other jurisdictions, and platforms might need to obtain state gambling licenses to continue operating legally.