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Kalshi Wins Federal Court Ruling in Sports Betting Fight
A federal appeals court ruled in Kalshi's favour last week, blocking New Jersey from enforcing state gambling laws against the crypto-linked prediction market platform. The Third Circuit decision creates a direct conflict with a separate federal court that heard opposing arguments about the same legal question — a split that analysts expect will force the US Supreme Court to resolve whether crypto prediction markets are financial derivatives or unlicensed gambling operations, likely by 2027.
What This Means for Crypto Casino Players
Players who use crypto platforms for sports wagering are directly affected by this legal standoff. If the Supreme Court ultimately classifies prediction market contracts as federally regulated financial products, a large segment of crypto sports betting will operate outside state gambling frameworks — potentially meaning wider platform availability in states that currently restrict wagering, but with less of the consumer-protection infrastructure that licensed gambling operators are required to maintain. For players who prefer platforms with established licensing and clear terms, our guide to the best crypto sports betting sites for US players covers operators already running under recognised licences.
The financial stakes make clear why both sides are fighting hard. Kalshi reported $25 million in fees from a single four-day March Madness window, and analysts project the platform will process $200 billion in total wagers this year. Sports contracts account for more than 85% of all bets placed on Kalshi, making the gambling classification question existential for the company's core business model.
The Federal vs. State Divide
The core legal question is whether prediction market contracts — where users bet crypto on the outcomes of sports events, elections, and economic data releases — are federally regulated commodity swaps under the Commodity Futures Trading Commission, or whether states retain the right to enforce their own gambling laws against the same products. The CFTC has taken Kalshi's side, arguing that prediction contracts are financial derivatives governed exclusively by federal oversight, and the Department of Justice backed that position in a separate filing.
States take the opposing view. Arizona filed criminal charges against the platform. Nevada's Gaming Control Board won a temporary court order halting Kalshi's sports contracts earlier this year. Washington State joined the legal challenge in March 2026. Connecticut, Illinois, and New Jersey have also moved against the company. The dissenting judge in the Third Circuit wrote pointedly that “if it looks like gambling, talks like gambling, and calls itself gambling, it's gambling.”
The Ninth Circuit — which covers Arizona — heard arguments this week and is widely expected to rule against Kalshi, creating the appellate split that typically pushes cases to the Supreme Court. Kalshi currently carries a valuation of around $22 billion; Polymarket, which operates a competing prediction platform, is valued at approximately $20 billion. Both companies built their growth on the legal premise now being tested simultaneously in multiple federal courts.
What to Watch
The Ninth Circuit ruling is the next major development. If it finds against Kalshi, a Supreme Court petition becomes near-certain given the direct circuit split. A bipartisan bill introduced in Congress in March would classify crypto prediction bets as gambling irrespective of how courts rule, adding a parallel legislative track to monitor. Players using Kalshi or Polymarket in affected states should verify each platform's current availability and service terms before depositing funds, as state enforcement actions can restrict access with limited notice.