The Iowa 4th congressional district's strong Republican lean, reflected in its partisan voting index and consistent results including the prior incumbent's 67 percent margin in 2024, underpins the Republican nominee's commanding position ahead of the November 3 general election. Incumbent Randy Feenstra's retirement to pursue the governorship created an open seat, but Republican Chris McGowan, president of the Siouxland Chamber of Commerce and unopposed after the June 2 primary with notable endorsements, faces Democrat Dave Dawson in a district long viewed as a GOP stronghold by analysts. The Republican primary outcome and limited competitive pressure have reinforced trader consensus around continuity. A realistic shift would require a major late development such as a significant scandal, pronounced national political realignment, or unusually high Democratic turnout that overcomes structural barriers.
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
$32,170 Vol.
$32,170 Vol.
Nov 2, 2026
Republican Party
93%
Democratic Party
7%
$32,170 Vol.
$32,170 Vol.
Nov 2, 2026
Republican Party
$20,064 Vol.
93%
Democratic Party
$12,106 Vol.
7%
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 3, 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 Iowa 4th congressional district's strong Republican lean, reflected in its partisan voting index and consistent results including the prior incumbent's 67 percent margin in 2024, underpins the Republican nominee's commanding position ahead of the November 3 general election. Incumbent Randy Feenstra's retirement to pursue the governorship created an open seat, but Republican Chris McGowan, president of the Siouxland Chamber of Commerce and unopposed after the June 2 primary with notable endorsements, faces Democrat Dave Dawson in a district long viewed as a GOP stronghold by analysts. The Republican primary outcome and limited competitive pressure have reinforced trader consensus around continuity. A realistic shift would require a major late development such as a significant scandal, pronounced national political realignment, or unusually high Democratic turnout that overcomes structural barriers.
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 3, 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
$32,170End 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 3, 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 Iowa 4th congressional district's strong Republican lean, reflected in its partisan voting index and consistent results including the prior incumbent's 67 percent margin in 2024, underpins the Republican nominee's commanding position ahead of the November 3 general election. Incumbent Randy Feenstra's retirement to pursue the governorship created an open seat, but Republican Chris McGowan, president of the Siouxland Chamber of Commerce and unopposed after the June 2 primary with notable endorsements, faces Democrat Dave Dawson in a district long viewed as a GOP stronghold by analysts. The Republican primary outcome and limited competitive pressure have reinforced trader consensus around continuity. A realistic shift would require a major late development such as a significant scandal, pronounced national political realignment, or unusually high Democratic turnout that overcomes structural barriers.
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 3, 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
$32,170End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:08 AM ETResolver
0x2F5e3684c...The Iowa 4th congressional district's strong Republican lean, reflected in its partisan voting index and consistent results including the prior incumbent's 67 percent margin in 2024, underpins the Republican nominee's commanding position ahead of the November 3 general election. Incumbent Randy Feenstra's retirement to pursue the governorship created an open seat, but Republican Chris McGowan, president of the Siouxland Chamber of Commerce and unopposed after the June 2 primary with notable endorsements, faces Democrat Dave Dawson in a district long viewed as a GOP stronghold by analysts. The Republican primary outcome and limited competitive pressure have reinforced trader consensus around continuity. A realistic shift would require a major late development such as a significant scandal, pronounced national political realignment, or unusually high Democratic turnout that overcomes structural barriers.
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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