Wisconsin Sues Kalshi, Coinbase, Polymarket, Robinhood, and Crypto.com
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Wisconsin sued prediction market platforms in a Dane County filing (Apr 24, 2026), naming Crypto.com, Polymarket, Kalshi and distribution partners Robinhood and Coinbase. The state alleges these platforms enable event-based wagering including sports; the action follows New York's suit and heightens regulatory/legal risk for prediction markets, CEXs and crypto derivatives. Operators argue federal oversight preempts state enforcement, creating short-term legal uncertainty that could curb adoption, token launches, fundraising and DeFi prediction market activity.
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- The state of Wisconsin has sued prediction market platforms in a fresh legal filing.
- Wisconsin follows in the steps of New York, which sued unlicensed prediction platforms.
- Prediction market participants argue their platforms are subject to federal oversight.
Wisconsin, a state in the upper Midwest region of the United States, has initiated a lawsuit against prediction market platforms. In the latest development, the state filed a fresh legal challenge in Dane County, naming Crypto.com and its derivative arm, Polymarket, and Kalshi.
Wisconsin’s Stance on Prediction Platforms
The state also included the platform’s distribution partners, including Robinhood and Coinbase, in the case, arguing that the platforms enable event-based wagering for residents, including contracts tied to the outcome of sporting events.
It is worth noting that the core of Wisconsin…
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