Incumbent Republican Lauren Boebert holds a commanding position in the solidly Republican Colorado's 4th Congressional District, where trader consensus prices GOP victory at 67.5% reflecting the district's strong right-lean and her incumbency advantage after switching from CO-03 in 2024. Recent Democratic primary consolidation, with Trisha Calvarese dropping her rematch bid on April 1 and Eileen Laubacher running uncontested on the June 30 ballot, has weakened the opposition field and bolstered GOP odds. A March poll showed Republicans leading 47%-37% among likely voters, while April fundraising reports highlighted incumbents' financial edge. Upcoming primaries and the November general election remain key catalysts, though historical base rates favor retention in R+ districts.
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
CO-04 House Election Winner
Republican Party
67%
Democratic Party
21%
Republican Party
67%
Democratic Party
21%
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...Incumbent Republican Lauren Boebert holds a commanding position in the solidly Republican Colorado's 4th Congressional District, where trader consensus prices GOP victory at 67.5% reflecting the district's strong right-lean and her incumbency advantage after switching from CO-03 in 2024. Recent Democratic primary consolidation, with Trisha Calvarese dropping her rematch bid on April 1 and Eileen Laubacher running uncontested on the June 30 ballot, has weakened the opposition field and bolstered GOP odds. A March poll showed Republicans leading 47%-37% among likely voters, while April fundraising reports highlighted incumbents' financial edge. Upcoming primaries and the November general election remain key catalysts, though historical base rates favor retention in R+ districts.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions