Delaware’s at-large congressional district has delivered consistent Democratic victories in recent cycles, including incumbent Sarah McBride’s 2024 win by nearly 16 points. McBride faces no primary opposition and holds endorsements from key state figures, while Republican nominee Joseph Arminio emerged from a low-turnout September primary without statewide name recognition or substantial fundraising. Nonpartisan ratings classify the race as Solid or Safe Democratic, aligning with trader consensus that assigns the Democratic nominee a 96 percent implied probability. A Republican victory would require an unusually large national partisan swing, a late scandal, or sharply depressed Democratic turnout—developments that remain possible but have not materialized in polling or campaign data ahead of the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedDE-AL House Election Winner
$43,936 Vol.
$43,936 Vol.
Democratic Party
96%
Republican Party
5%
$43,936 Vol.
$43,936 Vol.
Democratic Party
96%
Republican Party
5%
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...Delaware’s at-large congressional district has delivered consistent Democratic victories in recent cycles, including incumbent Sarah McBride’s 2024 win by nearly 16 points. McBride faces no primary opposition and holds endorsements from key state figures, while Republican nominee Joseph Arminio emerged from a low-turnout September primary without statewide name recognition or substantial fundraising. Nonpartisan ratings classify the race as Solid or Safe Democratic, aligning with trader consensus that assigns the Democratic nominee a 96 percent implied probability. A Republican victory would require an unusually large national partisan swing, a late scandal, or sharply depressed Democratic turnout—developments that remain possible but have not materialized in polling or campaign data ahead of the November 3 general election.
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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