Is Kalshi legal in Michigan? Not for sports. A Michigan court has barred Kalshi’s sports contracts and advertising, and other platforms have wound down their Michigan sports markets too. This guide sets out where things stand, as of October 28, 2026.
At a glance
| Platform | Michigan status (Oct 2026) |
|---|---|
| Kalshi | Sports contracts barred by a September 2026 preliminary injunction |
| Polymarket US | Stopped new sports trades in Michigan in late October 2026 |
| Robinhood, Coinbase | Agreed to wind down Michigan sports contracts in October 2026 |
| Novig | Not offered in Michigan, per Novig |
| Sportsbooks | Legal and licensed |
What’s happened in Michigan
- Attorney General Dana Nessel obtained a temporary restraining order against Kalshi on June 29, 2026.
- On September 1, 2026 an Ingham County judge granted a preliminary injunction barring Kalshi’s sports contracts and advertising in Michigan while the case continues, and requiring geolocation checks. The attorney general has asked for Kalshi to be held in contempt; a hearing is set for November 24.
Sources, checked October 28, 2026:
- WXYZ: Michigan judge blocks Kalshi (Jun 2026)
- DeFi Rate: Michigan seeks contempt against Kalshi (Oct 15, 2026)
- DeFi Rate: Polymarket halts Michigan sports positions (Oct 27, 2026)
- Novig developer docs: access and blocked states (checked Oct 28, 2026)
Why it matters
Michigan licenses online sports betting and treats sports event contracts as unlicensed gambling. The national picture, including the split between federal appeals courts and New Jersey’s Supreme Court petition, is in Is Kalshi legal?
FAQ
Is Kalshi legal in Michigan?
Not for sports right now: a preliminary injunction bars Kalshi’s sports contracts while the case continues. Check the Kalshi app for what’s available where you are.
Is Polymarket legal in Michigan?
Polymarket’s main exchange isn’t open to US residents. Check the Polymarket US app for what it offers in Michigan.
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