California orders against Kalshi or Polymarket: None found

California has no legal sports betting, yet Kalshi and Polymarket US take Californians' sports contracts. The Ninth Circuit's 16 September 2026 ruling covers tribal land only. What each venue does in California, and what the state has done. No California court or regulator has ordered either venue to stop. It does not cover the rest of the state.

- Ninth Circuit ruling on tribal land: 16 Sep 2026
- District-court order after the ruling: 21 Oct 2026

Sources checked 30 October 2026.

Study: https://vultax.com/research/prediction-market-legality/united-states/california
Markdown: https://vultax.com/research/prediction-market-legality/united-states/california.md
Data: https://vultax.com/research/prediction-market-legality/united-states/california/data.json
Share card: https://vultax.com/og/article/research/prediction-market-legality-united-states-california
Live screen: https://app.vultax.com/predictions

Vultax Research Team, Is Kalshi Legal in California? Kalshi, Polymarket and Tribal Land, 2026-10-30, https://vultax.com/research/prediction-market-legality/united-states/california