A Washington state judge has temporarily blocked Kalshi from offering sports-related event contracts in the state, The Block reports, marking another major test of whether sports prediction markets can operate under federal derivatives rules while state gambling regulators argue they fall under local betting laws. The preliminary injunction from King County Superior Court gives Washington an early win in a broader fight that is becoming central to the industry’s future.
Kalshi Faces a State-by-State Legal Wall
The Washington order matters because it directly targets one of Kalshi’s most controversial growth areas: sports event contracts. If more states follow Washington’s approach, federally regulated prediction markets could face a fragmented operating map similar to online sports betting, where access depends heavily on state-level authorization.
That is exactly the regulatory question now hanging over the sector: are these event contracts financial products, gambling products, or something that forces courts and regulators to draw a new line?
CFTC Steps Into the Michigan Fight
Bloomberg Law reports that the CFTC used emergency authority to stay Kalshi’s proposed response to a Michigan court order and directed the exchange to fulfill open sports-event trades under normal procedures.
That move is significant because it shows the federal regulator is not staying neutral in disputes that could disrupt market operations. For traders and platforms, the key issue is continuity: whether open contracts can be settled normally even when a state challenges the underlying offering. The Michigan episode suggests federal oversight may become a shield for market infrastructure, even as states pursue enforcement.
France Blocks Polymarket Access
Reuters reports that France’s gambling regulator ordered internet service providers to block Polymarket, saying the site promoted an illegal gambling and betting offering and raised manipulation concerns.
The French action shows the pressure is not limited to U.S. sports contracts. Polymarket’s global, crypto-native model continues to attract scrutiny from gambling authorities, especially where regulators view political, sports or event-based markets as unauthorized betting. The reference to manipulation concerns also points to a broader worry: whether high-volume prediction markets can influence, not just reflect, real-world events.
Arizona Targets Kutt and Other Operators
Gaming Americas reports that Arizona regulators issued cease-and-desist orders against several operators, including Kutt Inc., with allegations that Kutt allowed Arizona users to wager on sports, politics and pop culture without authorization.
For the broader market, Arizona’s action reinforces that regulators are watching not only large exchanges, but also smaller or adjacent platforms offering prediction-style wagering.
Why it matters
Prediction markets are gaining visibility, but the legal perimeter is tightening. The biggest story is no longer just user demand or volume — it is whether platforms can survive overlapping state, federal and international definitions of gambling, derivatives and market manipulation.