TOTAL VOLUME:
$114.4b
24H VOL:
$84,940,147
24H TRANSACTIONS:
1,362,287,844
OPEN INTEREST:
$1,163,022,755
334,261
Markets across
33,310
events
MATCHED EVENTS:
4,574
PLATFORM COVERAGE:
5
Polymarket:
42%
VS.
Kalshi:
58%
$
This market tracks which party will win Michigan's U.S. Senate seat for the term beginning in 2027. On Kalshi, Democrats winning the race is priced at 70.0%, while Republicans winning stands at 31.0%. The market resolves according to whether a Republican is sworn in as Michigan Senator for the 2027 term, as determined by official Senate records. Watch for the swearing-in date of January 4, 2027, when the new Senate term begins and the outcome becomes official.
Resolution occurs when a representative of either the Republican or Democratic party is sworn in as a Senator of Michigan for the term beginning in 2027. The market resolves to Yes for whichever party's candidate successfully wins the election and is officially sworn into office.
On Kalshi, the Michigan Senate winner market is structured around binary outcomes: Will Republicans win the Senate race in Michigan? On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The Republican outcome is currently priced at 61.0% implied probability, reflecting trader expectations of GOP victory. Prices move continuously as new information emerges, campaign events unfold, and traders adjust positions. Kalshi's order-book mechanism allows you to buy or sell shares at the prevailing bid-ask spread, with payouts determined by the final election result on Jan 4, 2027.
Key catalysts for Michigan Senate winner price movement include candidate announcements, major campaign events, debate performances, and shifts in voter enthusiasm. Economic data, national political developments, and fundraising reports can also influence trader positioning. Polling releases—especially late-cycle surveys—typically trigger significant repricing. Unexpected candidate withdrawals, scandals, or endorsements from high-profile figures may create sharp volatility. Turnout indicators and early voting patterns in the final weeks before Jan 4, 2027 often drive final market adjustments as traders refine their outcome assessments.