Wisconsin sues Kalshi and Polymarket over sports prediction markets
Wisconsin Attorney General Josh Kaul filed court complaints in Dane County against Kalshi and Polymarket, and also named Robinhood, Crypto.com and Coinbase. The state argues their sports-related “event contracts” are illegal gambling under Wis. Stat. § 945.03(1m) and asks the court to declare the activity a public nuisance.
The filings point to the platforms’ marketing (including Kalshi’s “nationwide legal sports betting” messaging) and estimate Kalshi earns more than $1 billion annually from sports contracts. Wisconsin’s move adds to escalating state pressure on prediction markets, including a separate New York case led by AG Letitia James targeting Coinbase and Gemini over gambling-law violations tied to sports, entertainment and politics.
For crypto traders, this is another headline risk for prediction markets infrastructure and for any crypto exchanges/distribution partners. In the short term, litigation and compliance uncertainty may change liquidity and hedging behavior around these markets. Over time, the evolving legal battle could shape whether these contracts are treated as gambling, securities or derivatives, influencing broader regulatory expectations for prediction markets.
Bearish
This update increases legal and compliance uncertainty around prediction markets, and it directly involves crypto-adjacent venues/partners (including Crypto.com). For traders focused on the mentioned crypto exposure (notably CRO tied to Crypto.com’s ecosystem), the probability of operational constraints, restricted distribution, or partner friction can weigh on sentiment. Short term, headlines and risk pricing are likely to dominate; long term, the outcome could still matter, but until courts clarify whether these contracts are treated as gambling, securities, or derivatives, bearish pressure on CRO-related sentiment remains the more likely base case.