**Incumbent Democrat Frank Mrvan holds a strong position in Indiana’s 1st congressional district heading into the November 2026 general election.** The district’s Cook Partisan Voter Index of D+1 and its 2024 presidential results, in which Kamala Harris carried it by roughly 6.5 points, establish a modest Democratic lean that favors the sitting representative seeking a fourth term. Mrvan won his May 2026 primary comfortably, while Republican nominee Barb Regnitz emerged from a contested primary as the challenger. Nonpartisan rating firms, including the Cook Political Report, Inside Elections, and Sabato’s Crystal Ball, classify the race as Likely Democratic, with models such as Pollsmax assigning Mrvan approximately 90 percent odds based on fundamentals and historical patterns. No recent polls or events have altered this consensus, leaving the outcome driven primarily by incumbency, the district’s structural tilt, and the absence of major shifts in the broader midterm environment.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIN-01 House Election Winner
IN-01 House Election Winner
NEW
NEW
Nov 3, 2026
Democratic Party
89%
Republican Party
9%
NEW
NEW
Nov 3, 2026
Democratic Party
$2,102 Vol.
89%
Republican Party
$1,803 Vol.
9%
This market will resolve according to the party of the candidate who wins the IN-01 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/).**Incumbent Democrat Frank Mrvan holds a strong position in Indiana’s 1st congressional district heading into the November 2026 general election.** The district’s Cook Partisan Voter Index of D+1 and its 2024 presidential results, in which Kamala Harris carried it by roughly 6.5 points, establish a modest Democratic lean that favors the sitting representative seeking a fourth term. Mrvan won his May 2026 primary comfortably, while Republican nominee Barb Regnitz emerged from a contested primary as the challenger. Nonpartisan rating firms, including the Cook Political Report, Inside Elections, and Sabato’s Crystal Ball, classify the race as Likely Democratic, with models such as Pollsmax assigning Mrvan approximately 90 percent odds based on fundamentals and historical patterns. No recent polls or events have altered this consensus, leaving the outcome driven primarily by incumbency, the district’s structural tilt, and the absence of major shifts in the broader midterm environment.
This market will resolve according to the party of the candidate who wins the IN-01 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, 11:52 AM ET
Volume
$3,904End Date
Nov 4, 2026Market Opened
Dec 16, 2025, 11:52 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the IN-01 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/).**Incumbent Democrat Frank Mrvan holds a strong position in Indiana’s 1st congressional district heading into the November 2026 general election.** The district’s Cook Partisan Voter Index of D+1 and its 2024 presidential results, in which Kamala Harris carried it by roughly 6.5 points, establish a modest Democratic lean that favors the sitting representative seeking a fourth term. Mrvan won his May 2026 primary comfortably, while Republican nominee Barb Regnitz emerged from a contested primary as the challenger. Nonpartisan rating firms, including the Cook Political Report, Inside Elections, and Sabato’s Crystal Ball, classify the race as Likely Democratic, with models such as Pollsmax assigning Mrvan approximately 90 percent odds based on fundamentals and historical patterns. No recent polls or events have altered this consensus, leaving the outcome driven primarily by incumbency, the district’s structural tilt, and the absence of major shifts in the broader midterm environment.
This market will resolve according to the party of the candidate who wins the IN-01 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
$3,904End Date
Nov 4, 2026Market Opened
Dec 16, 2025, 11:52 AM ETResolver
0x2F5e3684c...**Incumbent Democrat Frank Mrvan holds a strong position in Indiana’s 1st congressional district heading into the November 2026 general election.** The district’s Cook Partisan Voter Index of D+1 and its 2024 presidential results, in which Kamala Harris carried it by roughly 6.5 points, establish a modest Democratic lean that favors the sitting representative seeking a fourth term. Mrvan won his May 2026 primary comfortably, while Republican nominee Barb Regnitz emerged from a contested primary as the challenger. Nonpartisan rating firms, including the Cook Political Report, Inside Elections, and Sabato’s Crystal Ball, classify the race as Likely Democratic, with models such as Pollsmax assigning Mrvan approximately 90 percent odds based on fundamentals and historical patterns. No recent polls or events have altered this consensus, leaving the outcome driven primarily by incumbency, the district’s structural tilt, and the absence of major shifts in the broader midterm environment.
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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