PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probability
Sherrod Brown (D) 52.9%Leader of 13 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
76 / 100
High quality24h Volume
$1.5K
Liquidity
$56K
High liquiditySpread
1.0 pt
Tight spreadComments
12
7d Change
-3.0 pts
Market data
Updated 4 minutes ago
Oct 13, 25, 8:41 PMNov 3, 26, 12:00 AM
Trends
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Rules
This market will resolve according to the winner of the 2026 Ohio U.S. Senate special election currently scheduled for November 3, inclusive of any run-offs.
- A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question.
- Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
- Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
- The resolution source for this market is the Associated Press, Fox News, and NBC.
- This market will resolve once all three sources call the race for the same candidate.
Prediction Source Comparison
CoinRithm reference Sherrod Brown 52% · 2 venues · 1 pt band
- Also available on Kalshi — Ohio Senate winner? · Sherrod Brown 51%
- Also available on Futuur — Ohio's Senate election winner · Democratic Party 52%
- Also available on Gemini — Ohio US Senate Winner · Sherrod Brown 52%
Open markets
Politics
KALSHI2028 Democratic presidential nominee
- Alexandria Ocasio-Cortez16.2%
- Jon Ossoff16.2%
- Gavin Newsom+1.0pt15.2%
+44 more outcomes
- Total Vol
- $187.5M
- 24h Vol
- $987.8K
POLYMARKETBrazil Presidential Election
- Luiz Inácio Lula da Silva62.8%
- Flávio Bolsonaro32.4%
- Renan Santos+0.3pt4.9%
+29 more outcomes
- Total Vol
KALSHISouth Carolina Republican Senate special primary winner?
- Darline Graham+2.0pt64.2%
- Ralph Norman-4.0pt27.5%
- Pamela Evette0.9%
+8 more outcomes
- Total Vol
- $13.5M
POLYMARKETDemocratic Presidential Nominee 2028
- Alexandria Ocasio-Cortez18%
- Gavin Newsom15%
- Jon Ossoff+0.2pt14%
+125 more outcomes
- Total Vol
POLYMARKETPresidential Election Winner 2028
- JD Vance20%
- Alexandria Ocasio-Cortez13%
- Marco Rubio+0.4pt12%
+125 more outcomes
- Total Vol
- $690.7M
KALSHI2028 Republican presidential nominee
- J.D. Vance-1.0pt45.3%
- Marco Rubio-3.0pt21.1%
- Ron DeSantis-0.2pt5.3%
+35 more outcomes
- Total Vol
- $58.7M
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Frequently asked questions
- What are the current odds for Ohio Senate Election Winner?
- Polymarket prices Sherrod Brown (D) at 53% as of August 22, 2026.
- When does Ohio Senate Election Winner resolve?
- Ohio Senate Election Winner is scheduled to resolve on November 3, 2026.
- How is Ohio Senate Election Winner settled?
- Polymarket settles this market as follows: This market will resolve according to the winner of the 2026 Ohio U.S. Senate special election currently scheduled for November 3, inclusive of any run-offs.
- Where else is Ohio Senate Election Winner listed?
- The same question is also listed on Kalshi, Futuur, Gemini.