Ohio 2026: Combined Outcome of Governor and Senate Races
Ohio voters head to the polls in November 2026 to elect both a governor and a U.S. senator in the same cycle. The governor’s race follows term-limited Republican Mike DeWine, while the Senate contest centers on the seat currently held by Jon Husted, who was appointed to fill Vice President JD Vance’s vacancy. Both races will shape Ohio’s political direction for years to come.
Why Markets Are Watching
Ohio has drifted firmly Republican in recent cycles, but open-seat races for governor and Senate can still produce surprises, especially with no incumbent on the ballot for governor. A split outcome would signal cracks in GOP dominance or distinct candidate quality effects, while a clean sweep would reinforce the state’s rightward trajectory heading into the 2028 presidential map.
How Prediction Markets Frame the Outcome
This contract isolates a single combined question: will the same party win both Ohio’s governorship and its Senate seat, or will control split between the two parties? That framing forces a joint read on two separate campaigns rather than treating them independently. Traders weighing this must account for correlated statewide swing factors alongside race-specific dynamics like candidate strength and turnout patterns.
Related terms
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Democratic Party (United States) -
Republican Party (United States) -
United States Senate -
Ohio -
Governor (United States) -
Swing state -
Mike DeWine -
Vivek Ramaswamy -
Amy Acton -
JD Vance
Total Volume
$710.2k
Kalshi $145k · Polymarket $565.2k
Leading Market
Amy Acton and Sherrod Brown win
Kalshi 71%
Amy Acton and Sherrod Brown win Volume
$49.5k
Kalshi $49.5k
Calculate Your Potential Return
- Kalshi(opens in a new tab) 7.0% fee
- Polymarket(opens in a new tab) 5.0% fee
| Market | Kalshi Yes | Kalshi Fee | Kalshi Payout | Polymarket Yes | Polymarket Fee | Polymarket Payout |
|---|---|---|---|---|---|---|
| Amy Acton and Sherrod Brown win | 71.0¢ | 7.0% | , trade Amy Acton and Sherrod Brown win on Kalshi (opens in a new tab) | — | — | — |
| Dems sweep | — | — | — | 70.0¢ | 5% | , trade Dems sweep on Polymarket (opens in a new tab) |
| Vivek Ramaswamy and Jon Husted win | 17.0¢ | 7.0% | , trade Vivek Ramaswamy and Jon Husted win on Kalshi (opens in a new tab) | — | — | — |
| Reps sweep | — | — | — | 17.0¢ | 5% | , trade Reps sweep on Polymarket (opens in a new tab) |
| Amy Acton and Jon Husted win | 13.0¢ | 7.0% | , trade Amy Acton and Jon Husted win on Kalshi (opens in a new tab) | — | — | — |
* Estimates if candidate wins. Actual returns may vary.
All Markets
| Market | Total Volume | Kalshi(opens in a new tab) | Polymarket(opens in a new tab) |
|---|---|---|---|
| Amy Acton and Sherrod Brown win | $49,508.66 | No market | |
| Dems sweep | $180,902.85 | No market | |
| Vivek Ramaswamy and Jon Husted win | $37,349.28 | No market | |
| Reps sweep | $182,494.47 | No market | |
| Amy Acton and Jon Husted win | $26,681.99 | No market |