Incumbent Republican Marlin Stutzman's commanding position in Indiana's 3rd Congressional District, rated safe Republican with a Cook PVI of R+16, underpins trader consensus pricing GOP victory at over 90% ahead of the May 5 primaries. Stutzman, who reclaimed the seat in 2024 after Jim Banks's Senate win, faces Army veteran Jon Kenworthy in the Republican primary, while Democrat Kelly Thompson runs unopposed with limited fundraising ($9,600 cash on hand versus Stutzman's $188,300). No recent polling exists, but the district's deep-red history and lack of competitive Democratic recruitment solidify the odds. Potential challenges include a Stutzman primary upset, late-breaking scandal, or overwhelming national Democratic midterm wave, though structural barriers remain high.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIN-03 House Election Winner
IN-03 House Election Winner
Republican Party
91%
Democratic Party
9%
Republican Party
91%
Democratic Party
9%
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, 11:09 AM ET
Resolver
0x2F5e3684c...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/).
Resolver
0x2F5e3684c...Incumbent Republican Marlin Stutzman's commanding position in Indiana's 3rd Congressional District, rated safe Republican with a Cook PVI of R+16, underpins trader consensus pricing GOP victory at over 90% ahead of the May 5 primaries. Stutzman, who reclaimed the seat in 2024 after Jim Banks's Senate win, faces Army veteran Jon Kenworthy in the Republican primary, while Democrat Kelly Thompson runs unopposed with limited fundraising ($9,600 cash on hand versus Stutzman's $188,300). No recent polling exists, but the district's deep-red history and lack of competitive Democratic recruitment solidify the odds. Potential challenges include a Stutzman primary upset, late-breaking scandal, or overwhelming national Democratic midterm wave, though structural barriers remain high.
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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