U.S. CFTC moves to stop Kalshi from canceling trades as ordered by Michigan court

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The U.S. Commodity Futures Trading Commission (CFTC) has intervened to prevent Kalshi, a prediction market platform, from canceling trades made by its Michigan customers. This action follows a Michigan court order requiring Kalshi to void and refund certain trades as part of the state's effort to halt what its attorney general considers illegal sports wagering on the platform. The CFTC’s move bars Kalshi from complying with the state court directive, asserting that Michigan has no authority to interfere with contracts overseen by the federal regulator.
This dispute highlights the ongoing tension between state governments and the CFTC regarding regulatory control over prediction markets like Kalshi, which the CFTC classifies as a designated contract market (DCM). CFTC Chairman Mike Selig emphasized the agency’s exclusive jurisdiction in this domain, stating that states or their courts cannot force registered entities to violate federal laws and regulations. Selig underscored that canceling completed trades is highly unusual and could destabilize market trust, as participants must have confidence that their contracts will stand.
The backdrop of this legal conflict involves Michigan’s recent court order to stop Kalshi from operating online sports wagers, reflecting wider state efforts to classify these prediction contracts as illegal gambling. The CFTC is actively defending its regulatory authority in several states, with Michigan representing the first instance where a state court directly ordered reversal of completed transactions. Kalshi approached the CFTC in early July after the Michigan ruling, prompting the federal agency’s directive to halt trade cancellations.
The outcome of this legal battle carries significant implications for the prediction market industry in the U.S. If states are permitted to invalidate executed trades, it would undermine the certainty essential for market functioning and could discourage participation. The CFTC’s firm stance aims to preserve federal oversight and maintain market integrity, but ongoing disputes signal continuing friction between state and federal regulators over the boundaries of legal authority in this emerging sector.