City of Baltimore Goes After Prediction Markets for Sports Betting
The City of Baltimore and its mayor, Brendan Scott, filed lawsuits against Kalshi and Polymarket over allegations that the companies violated local gambling laws.
Intelligence analysis by Llama

The city's complaint over gambling laws and deceptive trade practices included Robinhood, Webull, and Coinbase as partners with prediction market platform Kalshi. The lawsuits are centered on claims disputing Kalshi's and Polymarket's characterization of event contracts, arguing that the trades amount to unlawful wagers under state laws.
Imagine you're at a sports bar, and you want to bet on the game. But instead of putting money down, you're buying a special kind of ticket that says you think a certain team will win. That's basically what prediction markets are. But the city of Baltimore thinks these kinds of tickets are actually illegal, and they're suing the companies that run them.
Analysis
Kalshi and Polymarket's Business Model
The City of Baltimore's lawsuit against Kalshi and Polymarket centers on the companies' characterization of event contracts as something that can be lawfully purchased and traded in Maryland. The city argues that these trades amount to unlawful wagers under state laws. Kalshi and Polymarket, on the other hand, claim that their event contracts are governed by federal law, not a patchwork of state and local rules.
The Role of Robinhood, Webull, and Coinbase
The city's complaint against Kalshi included Robinhood, Webull, and Coinbase as partners with the prediction market platform. These companies were accused of deceptive practices by marketing sports contracts as something that can lawfully be purchased and traded in Maryland.
The CFTC's Framework for Regulating Prediction Markets
The US Commodity Futures Trading Commission (CFTC), under Chair Michael Selig, has argued that event contracts on prediction markets amount to 'swaps' within its purview. However, the city's lawsuit and other state-level authorities dispute this claim, arguing that prediction markets are governed by state laws, not federal law.
Implications for the Regulation of Prediction Markets
The lawsuits against Kalshi and Polymarket could have significant implications for the regulation of prediction markets. If the city's lawsuit is successful, it could set a precedent for other states to regulate prediction markets in a similar manner. On the other hand, if the CFTC's framework for regulating prediction markets is upheld, it could lead to a more uniform regulatory environment for the industry.
Key points
- The City of Baltimore filed lawsuits against Kalshi and Polymarket over allegations that the companies violated local gambling laws.
- The lawsuits center on claims disputing Kalshi's and Polymarket's characterization of event contracts, arguing that the trades amount to unlawful wagers under state laws.
- The city's complaint against Kalshi included Robinhood, Webull, and Coinbase as partners with the prediction market platform.
- The CFTC has argued that event contracts on prediction markets amount to 'swaps' within its purview, but the city's lawsuit disputes this claim.
If the city's lawsuit is successful, it could lead to a more uniform regulatory environment for prediction markets, which could help to prevent deceptive practices and ensure that users are protected.
On the other hand, if the CFTC's framework for regulating prediction markets is upheld, it could lead to a more complex and confusing regulatory environment, which could make it harder for users to understand the risks and benefits of prediction markets.



