Incumbent Rep. Diana DeGette's contested Democratic primary against challengers Melat Kiros and Wanda James—highlighted by DeGette's narrow March assembly qualification despite trailing Kiros—has drawn attention ahead of the June 30 primaries, but CO-01's strong Democratic lean (urban Denver core, historical margins exceeding 35 points) and uncompetitive Republican nominee Christy Peterson underpin trader consensus implying 93% odds for a Democratic general election win on November 3. DeGette leads fundraising with over $600,000 cash on hand as of late March. Realistic challenges would require a national GOP wave, low Democratic turnout, or a major scandal derailing the nominee post-primary, though structural district advantages make such shifts improbable.
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
Democratic Party
93%
Republican Party
7%
Democratic Party
93%
Republican 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, 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 Rep. Diana DeGette's contested Democratic primary against challengers Melat Kiros and Wanda James—highlighted by DeGette's narrow March assembly qualification despite trailing Kiros—has drawn attention ahead of the June 30 primaries, but CO-01's strong Democratic lean (urban Denver core, historical margins exceeding 35 points) and uncompetitive Republican nominee Christy Peterson underpin trader consensus implying 93% odds for a Democratic general election win on November 3. DeGette leads fundraising with over $600,000 cash on hand as of late March. Realistic challenges would require a national GOP wave, low Democratic turnout, or a major scandal derailing the nominee post-primary, though structural district advantages make such shifts improbable.
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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