Incumbent Democrat Frank Mrvan holds a commanding position in Indiana’s 1st congressional district for the November 2026 general election, reflected in the 92% trader consensus favoring the Democratic nominee. The district’s modest Democratic lean, consistent with recent presidential results and its northwest Indiana industrial base, underpins the rating, alongside Mrvan’s established incumbency advantages and fundraising edge. Republican nominee Barb Regnitz, who prevailed in the May primary, faces structural headwinds in a seat rated Likely Democratic by major forecasters. Late-cycle national shifts, unexpected turnout surges, or significant candidate-specific developments remain the primary variables that could narrow the gap before Election Day.
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
92%
Republican Party
7%
NEW
NEW
Nov 3, 2026
Democratic Party
$2,933 Vol.
92%
Republican Party
$2,303 Vol.
7%
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 commanding position in Indiana’s 1st congressional district for the November 2026 general election, reflected in the 92% trader consensus favoring the Democratic nominee. The district’s modest Democratic lean, consistent with recent presidential results and its northwest Indiana industrial base, underpins the rating, alongside Mrvan’s established incumbency advantages and fundraising edge. Republican nominee Barb Regnitz, who prevailed in the May primary, faces structural headwinds in a seat rated Likely Democratic by major forecasters. Late-cycle national shifts, unexpected turnout surges, or significant candidate-specific developments remain the primary variables that could narrow the gap before Election Day.
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
$5,235End 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 commanding position in Indiana’s 1st congressional district for the November 2026 general election, reflected in the 92% trader consensus favoring the Democratic nominee. The district’s modest Democratic lean, consistent with recent presidential results and its northwest Indiana industrial base, underpins the rating, alongside Mrvan’s established incumbency advantages and fundraising edge. Republican nominee Barb Regnitz, who prevailed in the May primary, faces structural headwinds in a seat rated Likely Democratic by major forecasters. Late-cycle national shifts, unexpected turnout surges, or significant candidate-specific developments remain the primary variables that could narrow the gap before Election Day.
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
$5,235End Date
Nov 4, 2026Market Opened
Dec 16, 2025, 11:52 AM ETResolver
0x2F5e3684c...Incumbent Democrat Frank Mrvan holds a commanding position in Indiana’s 1st congressional district for the November 2026 general election, reflected in the 92% trader consensus favoring the Democratic nominee. The district’s modest Democratic lean, consistent with recent presidential results and its northwest Indiana industrial base, underpins the rating, alongside Mrvan’s established incumbency advantages and fundraising edge. Republican nominee Barb Regnitz, who prevailed in the May primary, faces structural headwinds in a seat rated Likely Democratic by major forecasters. Late-cycle national shifts, unexpected turnout surges, or significant candidate-specific developments remain the primary variables that could narrow the gap before Election Day.
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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