Washington's 1st congressional district has shown consistent Democratic support in recent cycles, with double-digit margins in presidential voting and nonpartisan ratings classifying the seat as solid or safe Democratic. Incumbent Suzan DelBene advanced from the August 2026 top-two primary with a substantial lead over Republican Mary Silva, backed by strong fundraising of over $3.5 million compared to minimal opposition resources. These factors, combined with the district's suburban demographics around Seattle and historical voting patterns, underpin the market's 98% implied probability for a Democratic outcome. Late developments such as a significant national partisan shift, candidate withdrawal, or unforeseen scandal could theoretically alter the result before the November 3 general election, though such shifts remain uncommon in this environment.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWA-01 House Election Winner
$45,374 Vol.
$45,374 Vol.
Democratic Party
98%
Republican Party
2%
$45,374 Vol.
$45,374 Vol.
Democratic Party
98%
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, 11:24 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...Washington's 1st congressional district has shown consistent Democratic support in recent cycles, with double-digit margins in presidential voting and nonpartisan ratings classifying the seat as solid or safe Democratic. Incumbent Suzan DelBene advanced from the August 2026 top-two primary with a substantial lead over Republican Mary Silva, backed by strong fundraising of over $3.5 million compared to minimal opposition resources. These factors, combined with the district's suburban demographics around Seattle and historical voting patterns, underpin the market's 98% implied probability for a Democratic outcome. Late developments such as a significant national partisan shift, candidate withdrawal, or unforeseen scandal could theoretically alter the result before the November 3 general election, though such shifts remain uncommon in this environment.
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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