Incumbent Republican Jim Jordan's unopposed victory in the May 5, 2026, Republican primary, capturing 100% of the vote, has solidified trader consensus at 92.5% for a GOP hold in Ohio's 4th Congressional District, rated Solid Republican by forecasters with an R+21 partisan voting index. Low Democratic primary turnout—Joshua Kolasinski advanced unopposed with just 26,250 votes—underscores the weak opposition in this reliably red battleground state district, where Jordan won his last general election by 68.5%. While late-breaking scandals, health issues, or a massive national Democratic wave could challenge this, structural advantages and incumbency make an upset highly unlikely ahead of the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedOH-04 House Election Winner
OH-04 House Election Winner
Republican Party
93%
Democratic Party
7%
Republican Party
93%
Democratic Party
7%
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/).
Market Opened: Jan 28, 2026, 11:23 AM 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 Republican Jim Jordan's unopposed victory in the May 5, 2026, Republican primary, capturing 100% of the vote, has solidified trader consensus at 92.5% for a GOP hold in Ohio's 4th Congressional District, rated Solid Republican by forecasters with an R+21 partisan voting index. Low Democratic primary turnout—Joshua Kolasinski advanced unopposed with just 26,250 votes—underscores the weak opposition in this reliably red battleground state district, where Jordan won his last general election by 68.5%. While late-breaking scandals, health issues, or a massive national Democratic wave could challenge this, structural advantages and incumbency make an upset highly unlikely ahead of the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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