Will the Democratic Party win the OH-12 House seat?
Prediction markets currently give a 9% probability that Will the Democratic Party win the OH-12 House seat?. This contract trades at 9¢ on Polymarket, closing November 3, 2026. This market shows extreme illiquidity with zero 24-hour volume despite $36.6M in open interest, suggesting the $36.6M figure may be inflated or represents stale positions.
Analysis
This market shows extreme illiquidity with zero 24-hour volume despite $36.6M in open interest, suggesting the $36.6M figure may be inflated or represents stale positions. The 9¢ price implies an extraordinarily bullish Democratic outcome with a 1,839% implied yield on the Yes side, which is highly unusual for a competitive House seat and likely reflects either mispricing due to thin trading or a structural quirk in how the market is quoted. With 201 days until resolution and a high cliff risk index of 10, this appears to be a speculative or illiquid market where the extreme yield should be treated with significant skepticism.
Resolution rules
This market will resolve according to the party of the candidate who wins the OH-12 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
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Trade
sf trade 0x8bda2500f448f1cf5129013e72c1e3eb3370890c38d7b111161a915e14d38131 yes 100