Incumbent Rep. Sarah McBride's commanding 2024 victory by 16 points in Delaware's At-Large congressional district, coupled with the seat's Solid Democratic rating and D+8 partisan voting index, anchors trader consensus heavily favoring the Democratic Party. With the July 14 filing deadline approaching and no high-profile Republican challengers yet emerging—early filings show minimal GOP activity—markets reflect the state's consistent Democratic dominance in federal races, including strong turnout from key urban and suburban voting blocs. The September 15 primaries loom as the next catalyst, though a competitive Republican nominee, McBride scandal, or national midterm wave favoring incumbents' opponents could narrow the gap before the November 3 general election.
Experimental AI-generated summary referencing Polymarket data · UpdatedDE-AL House Election Winner
DE-AL 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. Sarah McBride's commanding 2024 victory by 16 points in Delaware's At-Large congressional district, coupled with the seat's Solid Democratic rating and D+8 partisan voting index, anchors trader consensus heavily favoring the Democratic Party. With the July 14 filing deadline approaching and no high-profile Republican challengers yet emerging—early filings show minimal GOP activity—markets reflect the state's consistent Democratic dominance in federal races, including strong turnout from key urban and suburban voting blocs. The September 15 primaries loom as the next catalyst, though a competitive Republican nominee, McBride scandal, or national midterm wave favoring incumbents' opponents could narrow the gap before the November 3 general election.
Experimental AI-generated summary referencing Polymarket data · Updated



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