Incumbent Rep. Marilyn Strickland's strong fundraising—over $1.1 million raised and $800,000 cash on hand as of late March—and the district's D+9 partisan lean underpin trader consensus favoring the Democratic Party at 91.5% in Washington's top-two primary system. No Republican candidates have filed ahead of the May 8 deadline, with only Strickland and fellow Democrat Adam Arafat declared, positioning the August 4 primary for a likely Democrat-on-Democrat general election matchup. Ratings from Cook Political Report (Solid Democratic, updated April 27) and Sabato's Crystal Ball (Safe Democratic) reflect historical wins like Strickland's 58.5% in 2024. Shifts could arise from a high-profile GOP recruit emerging post-filing, an unforeseen Strickland scandal, or a national Republican midterm wave, though structural barriers remain substantial.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWA-10 House Election Winner
WA-10 House Election Winner
Democratic Party
92%
Republican Party
8%
Democratic Party
92%
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, 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...Incumbent Rep. Marilyn Strickland's strong fundraising—over $1.1 million raised and $800,000 cash on hand as of late March—and the district's D+9 partisan lean underpin trader consensus favoring the Democratic Party at 91.5% in Washington's top-two primary system. No Republican candidates have filed ahead of the May 8 deadline, with only Strickland and fellow Democrat Adam Arafat declared, positioning the August 4 primary for a likely Democrat-on-Democrat general election matchup. Ratings from Cook Political Report (Solid Democratic, updated April 27) and Sabato's Crystal Ball (Safe Democratic) reflect historical wins like Strickland's 58.5% in 2024. Shifts could arise from a high-profile GOP recruit emerging post-filing, an unforeseen Strickland scandal, or a national Republican midterm wave, though structural barriers remain substantial.
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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