Amanda McKinney advanced from the August 4, 2026 top-two primary in Washington’s 4th Congressional District with a plurality of votes, consolidating Republican support in the open-seat race following Dan Newhouse’s retirement. The district’s R+10 Partisan Voter Index and consistent Republican performance in recent cycles underpin trader consensus favoring the Yakima County commissioner and Trump-endorsed nominee. John Duresky, the sole Democrat to advance, faces structural limits from voter registration patterns and historical margins in this central Washington seat spanning Yakima and the Tri-Cities. McKinney’s fundraising edge and outside support have further reinforced her position ahead of the November 3 general election. Late developments such as a major scandal, health event, or significant shift in turnout dynamics could still alter the outcome, though the district’s partisan composition makes such changes unlikely.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWA-04 House Election Winner
$54,328 Vol.
$54,328 Vol.
Amanda McKinney (R)
92%
John Duresky (D)
8%
$54,328 Vol.
$54,328 Vol.
Amanda McKinney (R)
92%
John Duresky (D)
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...Amanda McKinney advanced from the August 4, 2026 top-two primary in Washington’s 4th Congressional District with a plurality of votes, consolidating Republican support in the open-seat race following Dan Newhouse’s retirement. The district’s R+10 Partisan Voter Index and consistent Republican performance in recent cycles underpin trader consensus favoring the Yakima County commissioner and Trump-endorsed nominee. John Duresky, the sole Democrat to advance, faces structural limits from voter registration patterns and historical margins in this central Washington seat spanning Yakima and the Tri-Cities. McKinney’s fundraising edge and outside support have further reinforced her position ahead of the November 3 general election. Late developments such as a major scandal, health event, or significant shift in turnout dynamics could still alter the outcome, though the district’s partisan composition makes such changes unlikely.
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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