Incumbent Republican Rep. Russ Fulcher's strong position in Idaho's 1st Congressional District, rated R+22 on the Cook Partisan Voting Index with a 45-point Trump margin in 2020, drives trader consensus to 96.8% for a Republican victory in the November 3 general election. Recent filings confirmed Fulcher faces two GOP primary challengers—political newcomers Andy Briner and Joseph Morrison—ahead of the May 19 Republican primary, but his incumbency advantage and conservative record in this safe seat leave little doubt on renomination. Democrats, with nominee contenders like Sarah Zabel or Kaylee Peterson, face steep barriers absent a GOP scandal, primary upset weakening the nominee, or unprecedented national Democratic wave shifting turnout in this western Idaho battleground.
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 Rep. Russ Fulcher's strong position in Idaho's 1st Congressional District, rated R+22 on the Cook Partisan Voting Index with a 45-point Trump margin in 2020, drives trader consensus to 96.8% for a Republican victory in the November 3 general election. Recent filings confirmed Fulcher faces two GOP primary challengers—political newcomers Andy Briner and Joseph Morrison—ahead of the May 19 Republican primary, but his incumbency advantage and conservative record in this safe seat leave little doubt on renomination. Democrats, with nominee contenders like Sarah Zabel or Kaylee Peterson, face steep barriers absent a GOP scandal, primary upset weakening the nominee, or unprecedented national Democratic wave shifting turnout in this western Idaho battleground.
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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