Colorado’s 1st congressional district, anchored in Denver and carrying a Cook Partisan Voting Index of D+29, has delivered Democratic margins exceeding 50 points in recent cycles. Melat Kiros secured the Democratic nomination by defeating 15-term incumbent Diana DeGette in the June 30, 2026 primary, while Republican Christy Peterson advanced unopposed. The district’s urban demographics and consistent left-leaning voting patterns in presidential and down-ballot races underpin the market’s strong Democratic consensus. Minor independent candidacies have filed, yet structural advantages and historical turnout patterns leave limited room for an upset absent an unforeseen late development such as a nominee withdrawal or extraordinary national political shift before November 3.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCO-01 House Election Winner
$42,995 Vol.
$42,995 Vol.
Democratic Party
97%
Republican Party
2%
$42,995 Vol.
$42,995 Vol.
Democratic Party
97%
Republican Party
2%
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...Colorado’s 1st congressional district, anchored in Denver and carrying a Cook Partisan Voting Index of D+29, has delivered Democratic margins exceeding 50 points in recent cycles. Melat Kiros secured the Democratic nomination by defeating 15-term incumbent Diana DeGette in the June 30, 2026 primary, while Republican Christy Peterson advanced unopposed. The district’s urban demographics and consistent left-leaning voting patterns in presidential and down-ballot races underpin the market’s strong Democratic consensus. Minor independent candidacies have filed, yet structural advantages and historical turnout patterns leave limited room for an upset absent an unforeseen late development such as a nominee withdrawal or extraordinary national political shift before November 3.
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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