Kalshi, a U.S.-based event-prediction exchange, said it is not a sportsbook despite a surge in betting volume during the 2026 FIFA World Cup.
The distinction is critical because classifying the platform as a prediction market allows the company to sidestep billions of dollars [1] in taxes and licensing fees that traditional gambling operators must pay.
While traditional sportsbooks like DraftKings and FanDuel operate under strict state regulations, Kalshi positions itself as a financial exchange. This strategy has attracted high-stakes participants; one punter lost $13 million [2] on a single World Cup match bet placed on the platform.
Regulators are challenging this classification. In Illinois, the state is seeking to regulate Kalshi as a sportsbook subject to specific taxes and licensing requirements [3]. These Illinois regulations were set to take effect on July 1 [3].
Kalshi has responded to these pressures through the legal system. The company filed a lawsuit against Illinois to block the push to regulate it as a gambling entity [3]. Additionally, the company has faced legal setbacks in other jurisdictions, including a ruling from a judge in New York regarding its gambling status [4].
Despite these challenges, Kalshi continues to operate its model, arguing that predicting the outcome of an event is fundamentally different from traditional sports betting. The company said its platform serves as a tool for price discovery, and risk management, rather than a casino-style operation [1].
“Kalshi said it is not a sportsbook even as World Cup betting volume surges.”
The legal battle over Kalshi's identity represents a broader conflict between emerging fintech platforms and legacy gambling laws. If courts rule that prediction markets are effectively sportsbooks, it will create a massive new tax revenue stream for states but may stifle the growth of event-based trading by increasing the cost of compliance and operation.


