City of Baltimore goes after prediction markets for sports betting
Source Entity
Cointelegraph by Turner Wright

Baltimore and NYC are launching legal and regulatory actions against prediction market platforms like Kalshi and Polymarket. Officials allege these companies operate illegal sportsbooks and utilize deceptive marketing practices targeting vulnerable populations.
The Regulatory Crackdown on Prediction Markets
The landscape of digital finance and speculative betting is facing a significant legal challenge as major U.S. municipalities move to curb the unchecked growth of prediction market platforms. The City of Baltimore, under the leadership of Mayor Brendan Scott, has initiated lawsuits against Kalshi and Polymarket, asserting that these entities are effectively operating as unlicensed sportsbooks. This legal maneuver highlights a growing friction between decentralized finance innovation and traditional state-level gambling regulations.
Legal Arguments and Scope
At the core of the Baltimore complaint is the assertion that event contracts offered by these platforms are functionally indistinguishable from illegal wagers. By bypassing the licensing requirements mandated for traditional sports-betting operators, these platforms have allegedly misled users regarding their regulatory status. The inclusion of major financial institutions like Robinhood, Webull, and Coinbase as partners in the complaint suggests that the city is looking to hold the broader financial ecosystem accountable for facilitating what they categorize as deceptive trade practices.
New York City Council Investigation
Simultaneously, New York City Council Speaker Julie Menin has launched a formal investigation into the marketing and advertising strategies of several prediction market platforms, including Polymarket, Kalshi, Coinbase, and Gemini Titan. The inquiry, which demands detailed responses regarding user counts and revenue figures, signals a shift toward aggressive oversight. By issuing a 14-day deadline for responses, the NYC Council is forcing these companies to justify their operational mechanics within the city's jurisdiction.
Concerns Over Vulnerable Demographics
The urgency behind these investigations is largely driven by public health and consumer protection concerns. Officials are particularly alarmed by reports that these platforms may be utilizing marketing tactics that target young individuals and those prone to addictive behaviors. The inquiry aims to determine if these digital markets should be subject to the same strict advertising restrictions that currently govern physical casinos and established online sportsbooks, which are required to implement responsible gaming safeguards.
Broader Implications for Fintech
This multi-city legal assault represents a pivotal moment for the prediction market industry. If Baltimore and New York City succeed in their claims, it could force a complete restructuring of how these platforms operate, requiring them to obtain state-specific licenses and adhere to stringent compliance standards. This could potentially stifle the rapid growth of these platforms while simultaneously establishing a new, safer precedent for consumer interaction with speculative financial products.
Future Trends and Outlook
Looking forward, the outcome of these legal battles will likely set a national tone for how regulatory bodies handle emerging fintech models. We can expect other jurisdictions to follow suit if the Baltimore and NYC initiatives gain momentum. The industry will likely be forced to pivot toward greater transparency and stricter age-gating, as the legal system seeks to reconcile the innovative potential of event-based trading with the imperative of protecting citizens from unregulated gambling risks.