TOTAL VOLUME:
$96.5b
24H VOL:
$233,247,110
24H TRANSACTIONS:
940,978,880
OPEN INTEREST:
$2,090,523,634
820,435
Markets across
14,892
events
MATCHED EVENTS:
892
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
Ohio Senate winner? Odds & Prediction Markets
Will Republicans win the Senate race in Ohio?
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Intro
This market tracks which party will hold Ohio's U.S. Senate seat after the 2026 election cycle concludes. On Kalshi, Republicans winning the seat is priced at 51.0%, while Democrats winning is also at 51.0%. The market resolves based on which party's representative is sworn in as Senator of Ohio for the term beginning in 2027, according to Kalshi's resolution criteria. Watch for the swearing-in date of January 4, 2027, which marks the official start of the new Senate term and the resolution trigger for this market.
Kalshi
Resolution is determined by which party's representative is sworn in as Senator of Ohio for the term beginning in 2027. The market resolves to Yes if either a Republican or Democratic party representative assumes the office, with each party having a separate market outcome.
Frequently asked questions
The Ohio Senate winner market resolves on Jan 4, 2027, following the official election results. The outcome is determined by which candidate wins the most votes in the 2026 Ohio Senate race. Resolution occurs after vote counting is complete and the winner is certified by Ohio election authorities. Traders should monitor official state announcements and news coverage in the days following the election to confirm the final result and market settlement.
Key catalysts for Ohio Senate winner include candidate announcements, debate performances, major endorsements, and shifts in voter registration or turnout models. Economic data, national political momentum, and campaign spending can also influence trader sentiment. Polling releases—especially late-stage surveys—often trigger sharp price moves as the market reprices probabilities. Unexpected candidate statements, scandals, or external events affecting Ohio voters may create volatility. Monitor news flow and betting volume spikes to identify when the market is reacting to new information ahead of Jan 4, 2027.
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