2026 U.S. Midterms

Michigan Senate

The Democratic candidate wins the open Michigan Senate seat

Rating
Lean D(deterministic, Jul 3, 2026)
Our forecast
not yet published
Market
70% as of Jul 6, 2026
Resolves
Nov 3, 2026

Probability over time

0%25%50%75%100%Jan 25May 25Sep 25Jan 26May 2670%

Notes

Open seat following Gary Peters (D) declining to seek re-election. Primaries scheduled August 4, 2026.

Resolution

The Democratic nominee is certified winner of the 2026 Michigan U.S. Senate general election.

Benchmark markets

Party-level contract for the open Michigan seat.