Will the Republican Party win the OH-08 House seat?

Prediction markets currently give a 84% probability that Will the Republican Party win the OH-08 House seat?. This contract trades at 84¢ on Polymarket, closing November 3, 2026. The market is pricing Republicans as heavy favorites at 83% to retain Ohio's 8th district seat, but the extreme 888% implied yield on the "No" side combined with zero 24-hour volume suggests severe illiquidity and potential mispricing of the underdog position.

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84¢
Bid/Ask 83/84¢·Spread 1¢·Vol $0·OI $23,825.907·Closes Nov 3, 2026·195d remaining
0x401a9cb4d9304eaf9a453567e7e4d91071ce9cc6e6d76e0a8116accde902938b
7-day price7 snapshots · 36 regime
84¢84¢ current
Apr 1182¢Apr 19

Analysis

5d ago

The market is pricing Republicans as heavy favorites at 83% to retain Ohio's 8th district seat, but the extreme 888% implied yield on the "No" side combined with zero 24-hour volume suggests severe illiquidity and potential mispricing of the underdog position. The 1¢ spread and modest $17k open interest indicate this is a thin market where large contrarian bets could move prices significantly, and with 201 days until the November 2026 election, there's substantial time for fundamentals to shift the race dynamics.

Resolution rules

This market will resolve according to the party of the candidate who wins the OH-08 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/).

Indicators

IY (Yes) 35.7%
IY (No) 983.1%
Adj IY 492%
CRI 5
▶ Full indicator table (4)
IndicatorValue
IY (Yes)35.7%
IY (No)983.1%
Adj IY492%
CRI5

Regime

Label
neutral
Score
0.5
Spread
1¢
Computed
4/22/2026, 1:55:33 AM
Indicators computed 4/22/2026, 1:53:18 AM

Trade

View on polymarketsf trade 0x401a9cb4d9304eaf9a453567e7e4d91071ce9cc6e6d76e0a8116accde902938b yes 100

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