States / California
Legal status · as of Oct 15, 2026
Are prediction markets legal in California?
In court
The state government has taken no formal action; tribes are leading the fight under the Indian Gaming Regulatory Act. On Sept 16, 2026 the Ninth Circuit held tribes are likely to succeed in barring Kalshi's sports contracts on their lands.
State actions
Regulator orders, lawsuits, rulings and laws, newest first.
| Date | Action | What happened | Sources |
|---|---|---|---|
| Sep 17, 2026 | Other | Kalshi reported to block access on California tribal lands after the ruling. (Kalshi) | Lineups · Covers timeline |
| Sep 16, 2026 | Other | Ninth Circuit reverses denial of preliminary injunction in Blue Lake Rancheria v. Kalshi (No. 25-7504), holding the contracts are likely Class III gaming on tribal land. (Kalshi) | Ninth Circuit opinion primary |
Prediction markets in California: questions
Are prediction markets legal in California?
In court. The state government has taken no formal action; tribes are leading the fight under the Indian Gaming Regulatory Act. On Sept 16, 2026 the Ninth Circuit held tribes are likely to succeed in barring Kalshi's sports contracts on their lands. Exchanges registered with the CFTC, including Kalshi, say federal law lets them offer event contracts in every state; that question is being fought in court. This summarizes public actions and is not legal advice.
What is the latest prediction market action in California?
Sep 17, 2026: Kalshi reported to block access on California tribal lands after the ruling.
This page reports court, regulator and legislative actions with links to the filings and coverage. It is not legal advice. The tracker is re-checked every Monday and Thursday. All states · Legal tracker