Republican incumbent Lauren Boebert holds the edge in Colorado's 4th district, a rural and exurban area with a consistent Republican partisan voting index and her 2024 reelection margin. June 2026 primaries confirmed Boebert's unopposed nomination and Democrat Eileen Laubacher as the general election challenger, aligning with forecaster ratings of Likely or Solid Republican. Laubacher's substantial fundraising advantage and cash on hand represent the primary counter to incumbency and district fundamentals. Trader pricing at 64% Republican reflects the district's baseline lean and midterm turnout patterns, though national conditions or candidate-specific developments through November could still affect the outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCO-04 House Election Winner
$11,248 Vol.
$11,248 Vol.
Republican Party
64%
Democratic Party
36%
$11,248 Vol.
$11,248 Vol.
Republican Party
64%
Democratic Party
36%
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, 10:30 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...Republican incumbent Lauren Boebert holds the edge in Colorado's 4th district, a rural and exurban area with a consistent Republican partisan voting index and her 2024 reelection margin. June 2026 primaries confirmed Boebert's unopposed nomination and Democrat Eileen Laubacher as the general election challenger, aligning with forecaster ratings of Likely or Solid Republican. Laubacher's substantial fundraising advantage and cash on hand represent the primary counter to incumbency and district fundamentals. Trader pricing at 64% Republican reflects the district's baseline lean and midterm turnout patterns, though national conditions or candidate-specific developments through November could still affect the outcome.
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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