Colorado's 1st Congressional District, with its D+29 partisan voter index and historical Democratic general election margins exceeding 70%, drives trader consensus toward a 92.5% implied probability for the Democratic Party nominee in the November 3 contest. Recent fundraising reports through April underscore Democratic strength, with incumbent Diana DeGette holding over $600,000 cash on hand ahead of the June 30 primary against challengers Melat Kiros—who dominated the March assembly vote—and Wanda James. The Republican primary features only Christy Peterson, signaling weak opposition akin to 2024's 21.6% GOP performance. Late-breaking scandals, low Democratic turnout, or a national Republican midterm wave could challenge this outlook, though structural barriers remain high.
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
CO-01 House Election Winner
$12,328 Vol.
$12,328 Vol.
Democratic Party
93%
Republican Party
8%
$12,328 Vol.
$12,328 Vol.
Democratic Party
93%
Republican Party
8%
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, with its D+29 partisan voter index and historical Democratic general election margins exceeding 70%, drives trader consensus toward a 92.5% implied probability for the Democratic Party nominee in the November 3 contest. Recent fundraising reports through April underscore Democratic strength, with incumbent Diana DeGette holding over $600,000 cash on hand ahead of the June 30 primary against challengers Melat Kiros—who dominated the March assembly vote—and Wanda James. The Republican primary features only Christy Peterson, signaling weak opposition akin to 2024's 21.6% GOP performance. Late-breaking scandals, low Democratic turnout, or a national Republican midterm wave could challenge this outlook, though structural barriers remain high.
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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