Incumbent Republican Russ Fulcher's commanding financial position, with over $283,000 cash on hand as of late March, bolsters trader consensus at 96.8% for a GOP hold in Idaho's 1st congressional district, rated Solid Republican with an R+22 Cook PVI where Donald Trump won 71% in 2024. Recent candidate filings confirm Fulcher faces underfunded primary challengers Andy Briner and Joseph Morrison ahead of the May 19 closed GOP primary, while Democrats Ken Brungardt and Kaylee Peterson— the latter a repeat 2022 and 2024 nominee—vie in their primary, joined by independent Sarah Zabel. This safe seat's historical 67-71% GOP margins underpin the pricing, though a GOP nominee scandal, primary upset, or seismic national midterm wave could challenge the outcome before 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
ID-01 House Election Winner
$33,670 Vol.
$33,670 Vol.
Republican Party
97%
Democratic Party
3%
$33,670 Vol.
$33,670 Vol.
Republican Party
97%
Democratic Party
3%
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's commanding financial position, with over $283,000 cash on hand as of late March, bolsters trader consensus at 96.8% for a GOP hold in Idaho's 1st congressional district, rated Solid Republican with an R+22 Cook PVI where Donald Trump won 71% in 2024. Recent candidate filings confirm Fulcher faces underfunded primary challengers Andy Briner and Joseph Morrison ahead of the May 19 closed GOP primary, while Democrats Ken Brungardt and Kaylee Peterson— the latter a repeat 2022 and 2024 nominee—vie in their primary, joined by independent Sarah Zabel. This safe seat's historical 67-71% GOP margins underpin the pricing, though a GOP nominee scandal, primary upset, or seismic national midterm wave could challenge the outcome before 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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