Sarah Trone Garriott holds a substantial lead in trader pricing for Iowa’s 3rd congressional district because her proven record of winning competitive Republican-leaning seats, including multiple state senate victories, aligns with the district’s recent narrow margins and toss-up ratings from major forecasters. Both candidates cleared their June 2026 primaries without serious opposition, leaving the November 3 general election as a head-to-head contest between the Republican incumbent and the Democratic state senator. Garriott’s modest fundraising advantage and emphasis on health care and rural issues have helped position her ahead in the implied probability, while national midterm patterns historically favor the opposition party. Zach Nunn’s military background and legislative experience keep him viable in this battleground seat, though current consensus reflects Garriott’s stronger positioning in recent assessments of the race.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNEW
NEW
Nov 3, 2026
Sarah Trone Garriott (D)
74%
Zach Nunn (R)
26%
NEW
NEW
Nov 3, 2026
Sarah Trone Garriott (D)
$3,851 Vol.
74%
Zach Nunn (R)
$5,898 Vol.
26%
This market will resolve according to the party of the candidate who wins the IA-03 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/).Sarah Trone Garriott holds a substantial lead in trader pricing for Iowa’s 3rd congressional district because her proven record of winning competitive Republican-leaning seats, including multiple state senate victories, aligns with the district’s recent narrow margins and toss-up ratings from major forecasters. Both candidates cleared their June 2026 primaries without serious opposition, leaving the November 3 general election as a head-to-head contest between the Republican incumbent and the Democratic state senator. Garriott’s modest fundraising advantage and emphasis on health care and rural issues have helped position her ahead in the implied probability, while national midterm patterns historically favor the opposition party. Zach Nunn’s military background and legislative experience keep him viable in this battleground seat, though current consensus reflects Garriott’s stronger positioning in recent assessments of the race.
This market will resolve according to the party of the candidate who wins the IA-03 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: Dec 16, 2025, 11:59 AM ET
Volume
$9,750End Date
Nov 4, 2026Market Opened
Dec 16, 2025, 11:59 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the IA-03 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/).Sarah Trone Garriott holds a substantial lead in trader pricing for Iowa’s 3rd congressional district because her proven record of winning competitive Republican-leaning seats, including multiple state senate victories, aligns with the district’s recent narrow margins and toss-up ratings from major forecasters. Both candidates cleared their June 2026 primaries without serious opposition, leaving the November 3 general election as a head-to-head contest between the Republican incumbent and the Democratic state senator. Garriott’s modest fundraising advantage and emphasis on health care and rural issues have helped position her ahead in the implied probability, while national midterm patterns historically favor the opposition party. Zach Nunn’s military background and legislative experience keep him viable in this battleground seat, though current consensus reflects Garriott’s stronger positioning in recent assessments of the race.
This market will resolve according to the party of the candidate who wins the IA-03 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
$9,750End Date
Nov 4, 2026Market Opened
Dec 16, 2025, 11:59 AM ETResolver
0x2F5e3684c...Sarah Trone Garriott holds a substantial lead in trader pricing for Iowa’s 3rd congressional district because her proven record of winning competitive Republican-leaning seats, including multiple state senate victories, aligns with the district’s recent narrow margins and toss-up ratings from major forecasters. Both candidates cleared their June 2026 primaries without serious opposition, leaving the November 3 general election as a head-to-head contest between the Republican incumbent and the Democratic state senator. Garriott’s modest fundraising advantage and emphasis on health care and rural issues have helped position her ahead in the implied probability, while national midterm patterns historically favor the opposition party. Zach Nunn’s military background and legislative experience keep him viable in this battleground seat, though current consensus reflects Garriott’s stronger positioning in recent assessments of the race.
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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