Incumbent Republican Russ Fulcher secured his party's nomination in the May 2026 primary with 78% of the vote in Idaho's 1st Congressional District, while Democrat Kaylee Peterson advanced on her side. The district, encompassing the Idaho Panhandle and western Boise suburbs, carries a strong Republican lean reflected in all major race ratings of Solid or Safe Republican. Recent July polling showed Fulcher ahead by double digits, consistent with the seat's history of large GOP margins and limited Democratic competitiveness. Traders price the Republican nominee near 95% based on these structural factors, incumbency advantage, and absence of late-cycle disruptions. A national Democratic wave, major candidate-specific scandal, or unprecedented turnout shift could narrow the gap, though such developments remain low-probability given current fundamentals ahead of the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedID-01 House Election Winner
$48,155 Vol.
$48,155 Vol.
Republican Party
95%
Democratic Party
4%
$48,155 Vol.
$48,155 Vol.
Republican Party
95%
Democratic Party
4%
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, 11:08 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 Republican Russ Fulcher secured his party's nomination in the May 2026 primary with 78% of the vote in Idaho's 1st Congressional District, while Democrat Kaylee Peterson advanced on her side. The district, encompassing the Idaho Panhandle and western Boise suburbs, carries a strong Republican lean reflected in all major race ratings of Solid or Safe Republican. Recent July polling showed Fulcher ahead by double digits, consistent with the seat's history of large GOP margins and limited Democratic competitiveness. Traders price the Republican nominee near 95% based on these structural factors, incumbency advantage, and absence of late-cycle disruptions. A national Democratic wave, major candidate-specific scandal, or unprecedented turnout shift could narrow the gap, though such developments remain low-probability given current fundamentals ahead of the November 3 general election.
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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