Kalshi Challenges Minnesota Ban as Wisconsin Battle Continues
New lawsuits could shape the future of prediction market regulation

Kalshi is intensifying its legal campaign across multiple states as the prediction market platform moves to block Minnesota’s newly approved ban while continuing to defend itself against challenges involving tribal gaming interests in Wisconsin. The latest legal battle centers on Minnesota’s recently approved legislation that would make the state the first in the nation to criminalize the operation and promotion of prediction markets. The law is scheduled to take effect on August 1 and has already triggered lawsuits from both Kalshi and the Commodity Futures Trading Commission (CFTC).
Kalshi argues that the legislation violates federal law by attempting to regulate markets that fall under the jurisdiction of the CFTC. The company maintains that its event contracts operate as federally regulated financial products rather than traditional gambling offerings.
Minnesota Becomes a Major Battleground
The Minnesota case has quickly become one of the most significant legal confrontations involving prediction markets. Governor Tim Walz signed the legislation earlier this month, creating what industry observers describe as the most aggressive state level effort yet to restrict platforms such as Kalshi and Polymarket. If enforced, the law would classify the operation, promotion, or hosting of prediction markets involving sports, elections, and similar events as a felony offense.
The CFTC responded almost immediately by filing its own federal lawsuit against Minnesota, saying that Congress granted exclusive authority over regulated event contracts to federal regulators rather than individual states. The dispute is expected to become a major test case in the battle over whether prediction markets should be governed by state gaming laws or federal derivatives regulations.
Wisconsin Conflict Remains Active
At the same time, Kalshi continues facing legal pressure in Wisconsin. The state has pursued action against multiple prediction market operators, arguing that sports related event contracts function as unlicensed gambling products under Wisconsin law. State officials have targeted several companies, including Kalshi, Polymarket, Coinbase, and others operating within the prediction market sector.
The legal conflict has also expanded beyond state regulators. The Ho Chunk Nation previously filed suit against Kalshi, alleging that sports event contracts violate tribal gaming protections and infringe upon rights established under the Indian Gaming Regulatory Act. While a federal judge allowed portions of the lawsuit to proceed, the court declined to grant a preliminary injunction that would have immediately blocked Kalshi’s operations on tribal lands. The case remains closely watched because it could help determine how tribal gaming rights intersect with federally regulated prediction markets.
Regulatory Pressure Continues to Grow
The Minnesota and Wisconsin disputes are part of a much larger legal battle unfolding across the United States. Prediction market operators have faced lawsuits, enforcement actions, and regulatory challenges in several states as officials debate whether sports related event contracts should be treated as gambling products. Meanwhile, companies such as Kalshi continue arguing that federal law overrides state restrictions.
That jurisdictional conflict has become one of the defining issues facing the quickly expanding prediction market industry. As more states explore restrictions and additional legal cases move through federal courts, the outcomes in Minnesota and Wisconsin could play a major role in shaping how prediction markets operate across the country moving forward.
About the author
Ryan Cauchi
Ryan Cauchi is the Lead Journalist at UMG Gaming, where he covers the evolving landscape of legal sports betting, the growing social casino market, and legislative developments shaping the gaming industry.