Wisconsin Takes on Prediction Market Platforms in Lawsuit Against Kalshi, Coinbase, and Others

The prediction market industry has consistently maintained that its products are legitimate financial instruments, not mere bets. However, Wisconsin has taken a firm stance against this claim, filing a complaint against several major players, including Kalshi, Coinbase, Polymarket, Robinhood, and Crypto.com. According to Wisconsin's Attorney General Josh Kaul, attempting to disguise unlawful activities as lawful ones is unacceptable. The core issue at hand is whether these platforms' contracts should be classified as financial instruments under the Commodity Futures Trading Commission (CFTC) or as bets under state gambling laws. This distinction will determine whether the industry operates under a unified federal framework or is subject to individual state regulations. The matter is likely to be decided by the Supreme Court. Wisconsin's complaints target three main ecosystems: one involving Crypto.com and its derivatives arm, another focusing on Polymarket and its affiliates, and a third targeting Kalshi, alongside its distribution partners Robinhood and Coinbase. The state's legal argument is that the so-called 'event contracts' offered by these platforms are, in essence, wagers, where users pay to take a position on a real-world outcome and receive a fixed payout if they are correct. For instance, traders can buy contracts tied to NCAA tournament games at prices reflecting implied probabilities, with winning positions paying out $1 and losing ones returning nothing. The state also points to the platforms' own advertising, such as Kalshi's claim to be 'The First Nationwide Legal Sports Betting Platform' and Polymarket's description of itself as 'a platform where people can bet on the outcome of future events.' Wisconsin argues that the structure of these prediction markets falls squarely within its statutory definition of a bet, regardless of how the products are labeled or who takes the other side of the trade. Furthermore, the state notes that these platforms generate revenue by charging transaction fees on each contract, similar to a casino taking a cut of wagers placed on its floor. The industry's defense relies on federal preemption, with Kalshi arguing that its contracts are swaps listed on a regulated exchange, thus falling under the CFTC's exclusive jurisdiction. This position was recently bolstered by a Third Circuit ruling in favor of the company. Nevertheless, state courts across the U.S. have consistently taken a different stance, with Nevada and New York both likening these contracts to gambling. Wisconsin's suits contribute to a growing list of state challenges, which may ultimately compel the Supreme Court to decide whether labeling something a financial contract is sufficient to distinguish it from a bet.