Heavyweights Weigh In on Supreme Court Prediction Market Battle
Former Senator Chris Dodd and former SEC and CFTC Chair Gary Gensler have formally entered the legal battle over prediction markets, filing amicus briefs urging the U.S. Supreme Court to reject the Commodity Futures Trading Commission's (CFTC) claim of exclusive jurisdiction over event contracts. According to CoinDesk, the former lawmakers are joined by 39 states, the District of Columbia, and 145 tribal nations in asking the high court to classify sports-based prediction markets as state-regulated gambling products rather than federally regulated swaps.
The filings directly challenge a recent 2-1 ruling by the Third Circuit Court of Appeals, which sided with the CFTC's jurisdiction over sports-related prediction markets. Dodd, a primary architect of the 2010 Dodd-Frank Wall Street Reform and Consumer Protection Act, explicitly stated in his brief that the landmark financial legislation was never intended to empower the CFTC to usurp state governments' ability to regulate gambling.
"Parlays that chain together multiple wagers... do not facilitate hedging or price discovery," Dodd's filing argued, noting that the CFTC's "exclusive jurisdiction" merely identifies it as the federal regulator of covered financial instruments, not an entity capable of immunizing contracts from state and tribal law. Gensler, who played a crucial role in drafting Dodd-Frank regulations, echoed these arguments, asserting the law does not preempt state gambling statutes.
A Deepening Federal vs. State Divide
The wave of Supreme Court amicus briefs arrives just days after the CFTC aggressively moved to cement its own authority. As reported by CoinDesk, the derivatives regulator issued an interim final rule on Friday explicitly excluding casino-style gambling from its purview, while simultaneously proposing a formal rule to fold event contracts tied to sports, politics, and culture into its definition of a "swap."
This regulatory tug-of-war has massive implications for platforms operating in the United States. Traders evaluating the Kalshi vs Polymarket landscape must now factor in the very real possibility of a Supreme Court intervention that could fundamentally alter how domestic platforms operate. If the states prevail, platforms utilizing best Kalshi tools for sports and event trading could face a fragmented, state-by-state compliance nightmare rather than a unified federal framework under the CFTC.