Derek Helling

Oral arguments in federal and state courts involving Maryland and Massachusetts this week featured heavy skepticism of Kalshi’s claims about its prediction market trading platform.

New York Sen. Joseph Addabbo says prediction markets are “on the radar of everyone” as he advances a bill to regulate the industry alongside lawsuits and broader state enforcement efforts.

Kalshi’s markets for the 2026 PGA Championship topped $365.2 million in volume across all categories, with $9.8 million of that coming from combos or parlays, according to DeFi Rate’s internal market tracking. The Outright Winner market represented nearly $333.5 million of the overall total, although Aaron Rai defied the market with his first career major […]

Gov. Tim Walz signed an omnibus bill enacting several new public safety measures in Minnesota, including a ban on prediction market trading, on Monday.

A coalition of four tribes has sued Kalshi in a New Mexico federal court, alleging that trading sports-related contracts on the exchange violates the Indian Gaming Regulatory Act.

Both sides in Kalshi v. Flaherty have requested that the trial court extend a stay on the case until the US Supreme Court acts on New Jersey’s petition

Kalshi could soon file a petition for review with the US Supreme Court after the Ninth Circuit declined to afford it protection from enforcement in Washington.

Texas political markets have reached $24.2 million of trading volume on Kalshi, but less than $200K in open interest separates Paxton from Cornyn.

Litigation in Rhode Island district court following established pattern for states with Democratic attorney generals who take action against prediction markets.

Letter mentions CFTC’s “posture concerning prediction markets” in request for investigation into the agency’s compliance and resource allocation.