Legal
What is allowed where. Every legal guide in the handbook.
- Are Prediction Markets Legal in the US? (November 2026)
As of November 10, 2026, prediction markets are legal under federal law when run as CFTC-regulated exchanges, such as Kalshi and Polymarket US. States argue sports contracts are gambling. Courts have blocked contracts in Michigan, Nevada and Washington, federal appeals courts are split, and three petitions await the Supreme Court.