Incumbent Democrat Greg Landsman seeks a third term in Ohio’s 1st District after the October 2025 redistricting added rural Clinton and Warren counties, shifting the seat to a Trump +2.5 margin under the new lines. Landsman secured the Democratic nomination in the May 5 primary, while Republican Eric Conroy—backed by former President Trump—won his party’s contest decisively. Cook Political Report rates the November 3 general election as a toss-up leaning Democratic, reflecting Landsman’s incumbency and fundraising edge against the district’s modest Republican tilt and Conroy’s profile. Trader consensus on Polymarket assigns the Democratic Party a 55.5% implied probability of victory, consistent with historical advantages for sitting members in narrowly competitive House races and the absence of major new developments since the primaries.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoOH-01 House Election Winner
Republican Party
43%
Democratic Party
56%
Republican Party
43%
Democratic Party
56%
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/).
Mercato aperto: Dec 16, 2025, 12:48 PM ET
Resolver
0x2F5e3684c...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/).
Resolver
0x2F5e3684c...Incumbent Democrat Greg Landsman seeks a third term in Ohio’s 1st District after the October 2025 redistricting added rural Clinton and Warren counties, shifting the seat to a Trump +2.5 margin under the new lines. Landsman secured the Democratic nomination in the May 5 primary, while Republican Eric Conroy—backed by former President Trump—won his party’s contest decisively. Cook Political Report rates the November 3 general election as a toss-up leaning Democratic, reflecting Landsman’s incumbency and fundraising edge against the district’s modest Republican tilt and Conroy’s profile. Trader consensus on Polymarket assigns the Democratic Party a 55.5% implied probability of victory, consistent with historical advantages for sitting members in narrowly competitive House races and the absence of major new developments since the primaries.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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