**Republican Amanda McKinney holds a commanding lead in the November 3 general election for Washington’s open 4th congressional district.** The seat became vacant after six-term incumbent Dan Newhouse announced his retirement. McKinney, a Yakima County commissioner and Trump-endorsed candidate, finished first in the August 4 top-two primary with roughly 35% of the vote and advanced alongside Democrat John Duresky. Multiple Republican challengers split the remaining conservative vote. The district’s strong Republican tilt—rated Solid or Safe R by Cook, Sabato’s Crystal Ball, and other forecasters—underpins the market’s 90.5% Republican probability. Central Washington counties such as Yakima, Benton, and Franklin have delivered consistent double-digit GOP margins in recent cycles, and the primary results confirmed unified Republican support behind McKinney while Democrats consolidated behind their single nominee. No late developments have altered the structural advantage. A narrow Democratic upset would require either an unforeseen scandal affecting McKinney or an unusually strong national environment that overcomes the district’s partisan baseline.
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
WA-04 House Election Winner
$50,729 Vol.
$50,729 Vol.
Nov 2, 2026
Republican Party
90%
Democratic Party
8%
$50,729 Vol.
$50,729 Vol.
Nov 2, 2026
Republican Party
$28,019 Vol.
90%
Democratic Party
$22,711 Vol.
8%
This market will resolve according to the party of the candidate who wins the WA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).**Republican Amanda McKinney holds a commanding lead in the November 3 general election for Washington’s open 4th congressional district.** The seat became vacant after six-term incumbent Dan Newhouse announced his retirement. McKinney, a Yakima County commissioner and Trump-endorsed candidate, finished first in the August 4 top-two primary with roughly 35% of the vote and advanced alongside Democrat John Duresky. Multiple Republican challengers split the remaining conservative vote.
The district’s strong Republican tilt—rated Solid or Safe R by Cook, Sabato’s Crystal Ball, and other forecasters—underpins the market’s 90.5% Republican probability. Central Washington counties such as Yakima, Benton, and Franklin have delivered consistent double-digit GOP margins in recent cycles, and the primary results confirmed unified Republican support behind McKinney while Democrats consolidated behind their single nominee. No late developments have altered the structural advantage.
A narrow Democratic upset would require either an unforeseen scandal affecting McKinney or an unusually strong national environment that overcomes the district’s partisan baseline.
This market will resolve according to the party of the candidate who wins the WA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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
Volume
$50,729End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:24 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the WA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).**Republican Amanda McKinney holds a commanding lead in the November 3 general election for Washington’s open 4th congressional district.** The seat became vacant after six-term incumbent Dan Newhouse announced his retirement. McKinney, a Yakima County commissioner and Trump-endorsed candidate, finished first in the August 4 top-two primary with roughly 35% of the vote and advanced alongside Democrat John Duresky. Multiple Republican challengers split the remaining conservative vote.
The district’s strong Republican tilt—rated Solid or Safe R by Cook, Sabato’s Crystal Ball, and other forecasters—underpins the market’s 90.5% Republican probability. Central Washington counties such as Yakima, Benton, and Franklin have delivered consistent double-digit GOP margins in recent cycles, and the primary results confirmed unified Republican support behind McKinney while Democrats consolidated behind their single nominee. No late developments have altered the structural advantage.
A narrow Democratic upset would require either an unforeseen scandal affecting McKinney or an unusually strong national environment that overcomes the district’s partisan baseline.
This market will resolve according to the party of the candidate who wins the WA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
Volume
$50,729End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:24 AM ETResolver
0x2F5e3684c...**Republican Amanda McKinney holds a commanding lead in the November 3 general election for Washington’s open 4th congressional district.** The seat became vacant after six-term incumbent Dan Newhouse announced his retirement. McKinney, a Yakima County commissioner and Trump-endorsed candidate, finished first in the August 4 top-two primary with roughly 35% of the vote and advanced alongside Democrat John Duresky. Multiple Republican challengers split the remaining conservative vote. The district’s strong Republican tilt—rated Solid or Safe R by Cook, Sabato’s Crystal Ball, and other forecasters—underpins the market’s 90.5% Republican probability. Central Washington counties such as Yakima, Benton, and Franklin have delivered consistent double-digit GOP margins in recent cycles, and the primary results confirmed unified Republican support behind McKinney while Democrats consolidated behind their single nominee. No late developments have altered the structural advantage. A narrow Democratic upset would require either an unforeseen scandal affecting McKinney or an unusually strong national environment that overcomes the district’s partisan baseline.
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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