Incumbent Republican Erin Houchin secured her party's nomination unopposed in the May 5 primary for Indiana's 9th Congressional District, a solidly Republican seat with a Cook Partisan Voting Index of R+15, driving trader consensus to 90.5% implied probability of a GOP hold in the November general election. Democrat Brad A. Meyer emerged from a crowded four-way primary to become the challenger, but the district's consistent Republican performance—bolstered by Houchin's incumbency advantage and lack of significant intra-party opposition—has entrenched her frontrunner status amid no recent polls showing competitiveness. While a major scandal, health issue, or national Democratic wave could narrow the gap, historical base rates for safe-district incumbents favor minimal disruption ahead of election night vote counts and certification.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIN-09 House Election Winner
IN-09 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 Erin Houchin secured her party's nomination unopposed in the May 5 primary for Indiana's 9th Congressional District, a solidly Republican seat with a Cook Partisan Voting Index of R+15, driving trader consensus to 90.5% implied probability of a GOP hold in the November general election. Democrat Brad A. Meyer emerged from a crowded four-way primary to become the challenger, but the district's consistent Republican performance—bolstered by Houchin's incumbency advantage and lack of significant intra-party opposition—has entrenched her frontrunner status amid no recent polls showing competitiveness. While a major scandal, health issue, or national Democratic wave could narrow the gap, historical base rates for safe-district incumbents favor minimal disruption ahead of election night vote counts and certification.
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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