The IA-04 seat’s strong Republican tilt, reflected in a Cook Political Report Solid R rating and R+15 partisan voting index, underpins the market’s heavy weighting toward the Republican nominee. Incumbent Randy Feenstra’s October 2025 decision to run for governor created an open primary on June 2, 2026, where Chris McGowan stands as the clear frontrunner against a limited field. Democratic candidates Dave Dawson, Stephanie Steiner, and Ashley WolfTornabane compete in their own primary but face structural headwinds in this northwest Iowa district. Historical margins exceeding 30 points and the absence of major recent developments that could shift the balance reinforce trader consensus. A late primary upset producing a weakened Republican nominee or an unforeseen national swing could narrow the gap 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. · UpdatedIA-04 House Election Winner
IA-04 House Election Winner
NEW
NEW
Nov 3, 2026
Republican Party
92%
Democratic Party
8%
NEW
NEW
Nov 3, 2026
Republican Party
$4,946 Vol.
92%
Democratic Party
$4,946 Vol.
8%
This market will resolve according to the party of the candidate who wins the IA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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/).The IA-04 seat’s strong Republican tilt, reflected in a Cook Political Report Solid R rating and R+15 partisan voting index, underpins the market’s heavy weighting toward the Republican nominee. Incumbent Randy Feenstra’s October 2025 decision to run for governor created an open primary on June 2, 2026, where Chris McGowan stands as the clear frontrunner against a limited field. Democratic candidates Dave Dawson, Stephanie Steiner, and Ashley WolfTornabane compete in their own primary but face structural headwinds in this northwest Iowa district. Historical margins exceeding 30 points and the absence of major recent developments that could shift the balance reinforce trader consensus. A late primary upset producing a weakened Republican nominee or an unforeseen national swing could narrow the gap before the November 3 general election.
This market will resolve according to the party of the candidate who wins the IA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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, 11:08 AM ET
Volume
$9,892End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:08 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the IA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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/).The IA-04 seat’s strong Republican tilt, reflected in a Cook Political Report Solid R rating and R+15 partisan voting index, underpins the market’s heavy weighting toward the Republican nominee. Incumbent Randy Feenstra’s October 2025 decision to run for governor created an open primary on June 2, 2026, where Chris McGowan stands as the clear frontrunner against a limited field. Democratic candidates Dave Dawson, Stephanie Steiner, and Ashley WolfTornabane compete in their own primary but face structural headwinds in this northwest Iowa district. Historical margins exceeding 30 points and the absence of major recent developments that could shift the balance reinforce trader consensus. A late primary upset producing a weakened Republican nominee or an unforeseen national swing could narrow the gap before the November 3 general election.
This market will resolve according to the party of the candidate who wins the IA-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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
$9,892End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:08 AM ETResolver
0x2F5e3684c...The IA-04 seat’s strong Republican tilt, reflected in a Cook Political Report Solid R rating and R+15 partisan voting index, underpins the market’s heavy weighting toward the Republican nominee. Incumbent Randy Feenstra’s October 2025 decision to run for governor created an open primary on June 2, 2026, where Chris McGowan stands as the clear frontrunner against a limited field. Democratic candidates Dave Dawson, Stephanie Steiner, and Ashley WolfTornabane compete in their own primary but face structural headwinds in this northwest Iowa district. Historical margins exceeding 30 points and the absence of major recent developments that could shift the balance reinforce trader consensus. A late primary upset producing a weakened Republican nominee or an unforeseen national swing could narrow the gap 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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