Incumbent Rep. Russ Fulcher's commanding position in Idaho's 1st Congressional District, rated Solid Republican with a Cook PVI of R+22, drives trader consensus to near-certainty on a GOP victory, reflecting the district's 45-point Trump landslide in 2024 and Fulcher's consistent 70%+ general election margins against underfunded Democrats. Recent candidate filings before the February 27 deadline confirmed Fulcher's financial dominance with over $220,000 cash on hand versus zero for primary challengers Andy Briner and Joseph Morrison, while Democratic contenders Kaylee Peterson and Ken Brungardt hold modest funds under $10,000 each. The May 19 primary looms as the key near-term event, though a GOP hold appears structurally assured barring a major scandal, health issue, or unprecedented national wave.
Experimental AI-generated summary referencing Polymarket data · UpdatedID-01 House Election Winner
ID-01 House Election Winner
$13,910 Vol.
$13,910 Vol.
Republican Party
95%
Democratic Party
5%
$13,910 Vol.
$13,910 Vol.
Republican Party
95%
Democratic Party
5%
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 Rep. Russ Fulcher's commanding position in Idaho's 1st Congressional District, rated Solid Republican with a Cook PVI of R+22, drives trader consensus to near-certainty on a GOP victory, reflecting the district's 45-point Trump landslide in 2024 and Fulcher's consistent 70%+ general election margins against underfunded Democrats. Recent candidate filings before the February 27 deadline confirmed Fulcher's financial dominance with over $220,000 cash on hand versus zero for primary challengers Andy Briner and Joseph Morrison, while Democratic contenders Kaylee Peterson and Ken Brungardt hold modest funds under $10,000 each. The May 19 primary looms as the key near-term event, though a GOP hold appears structurally assured barring a major scandal, health issue, or unprecedented national wave.
Experimental AI-generated summary referencing Polymarket data · Updated
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