Ars Technica
Kalshi sues Illinois over new tax on prediction market sports bets
Monday, June 29, 2026
Kalshi, a prediction markets platform, has filed a lawsuit against Illinois over a newly enacted tax on sports bets placed through prediction markets. The tax was implemented as part of Illinois state legislation. Kalshi's legal challenge contests the validity or application of the tax. The case is among ongoing disputes between prediction market operators and state regulators regarding how such platforms should be taxed and regulated.
