Ohio governor race odds
Kalshi vs Polymarket · updated Oct 20, 1:00 AM ET
Democrats (Amy Acton) to win the Ohio governor race: Kalshi 72.5¢, Polymarket US 69.5¢, Polymarket 72.5¢. The exchanges are 3¢ apart. A price of 67¢ means the market implies roughly a 67% chance; it is a price, not a forecast.
Ohio governor betting odds by venue
| Venue | Democrats win | Odds | Bid | Ask | Volume |
|---|---|---|---|---|---|
| Kalshi | 72.5¢ | -264 | 72¢ | 73¢ | $1.1M |
| Polymarket US | 69.5¢ | -228 | 69¢ | 70¢ | $2.0M |
| Polymarket | 72.5¢ | -264 | 72¢ | 73¢ | $252k |
Each row prices the outcome it names, in cents; 50¢ is a coin flip. Volume is in each venue’s own units. Full venue comparison
Price history
Last 90 days, Democrats win. Kalshi solid, Polymarket dashed. A break in a line is a gap in the record, not a move.
Polls beside the prices
| Pollster | Fieldwork ends | Sample | Result | Lead |
|---|---|---|---|---|
| Bowling Green State University/YouGov | 2026-10-09 | 1,000 LV | Amy Acton 50 · Vivek Ramaswamy 44 · Don Kissick 4 | +6 |
| co/efficient | 2026-10-06 | 925 LV | Vivek Ramaswamy 45 · Amy Acton 43 · Don Kissick 3 | +2 |
| CNN/SSRS | 2026-10-05 | 760 LV | Amy Acton 50 · Vivek Ramaswamy 42 | +8 |
| The New York Times/Siena University | 2026-10-01 | 616 LV | Amy Acton 49 · Vivek Ramaswamy 45 | +4 |
| Big Data Poll | 2026-09-27 | 680 LV | Vivek Ramaswamy 47.9 · Amy Acton 46.8 · Don Kissick 5.3 | +1.1 |
| Marist University | 2026-09-27 | 1,298 RV | Amy Acton 50 · Vivek Ramaswamy 44 | +6 |
| Suffolk University | 2026-09-27 | 500 LV | Amy Acton 50 · Vivek Ramaswamy 41 · Don Kissick 3 | +9 |
| Wedgewood Polls | 2026-08-13 | 800 LV | Amy Acton 47 · Vivek Ramaswamy 46 | +1 |
Polls: VoteHub (CC BY 4.0). A poll is a separate reading of the same race; the two can differ with neither being wrong.
Common questions
What are the odds in the Ohio governor race?
Democrats (Amy Acton) to win the Ohio governor race: Kalshi 72.5¢, Polymarket US 69.5¢, Polymarket 72.5¢. The exchanges are 3¢ apart. A price of 67¢ means the market implies roughly a 67% chance; it is a price, not a forecast.
Why do Kalshi and Polymarket show different prices for the same race?
Each exchange is its own order book with its own traders, fees and rules. A gap of a cent or two is ordinary; a larger gap can come from a thin book or from a settlement-rule difference, which is why each venue links to its own contract.
Is the price a forecast?
No. It is what the best order or last trade implies at that venue. ThinBlimp shows both venues side by side and does not take wagers or give advice.
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