Indiana's 9th congressional district carries a Cook Partisan Voter Index of R+15 and delivered a 64.5 percent Republican margin in the 2024 general election, establishing structural advantages for the incumbent. Rep. Erin Houchin advanced unopposed through the May 5 Republican primary while Democrat Brad Meyer secured his party's nomination in a low-profile contest against three other candidates. These primary outcomes have reinforced trader consensus around continued Republican control heading into the November 3 general election. A national Democratic wave, unexpected scandal involving the incumbent, or unusually high turnout in Democratic-leaning pockets of the district remain the primary variables that could narrow the gap, though no such developments have materialized in the weeks since the primaries.
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
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...Indiana's 9th congressional district carries a Cook Partisan Voter Index of R+15 and delivered a 64.5 percent Republican margin in the 2024 general election, establishing structural advantages for the incumbent. Rep. Erin Houchin advanced unopposed through the May 5 Republican primary while Democrat Brad Meyer secured his party's nomination in a low-profile contest against three other candidates. These primary outcomes have reinforced trader consensus around continued Republican control heading into the November 3 general election. A national Democratic wave, unexpected scandal involving the incumbent, or unusually high turnout in Democratic-leaning pockets of the district remain the primary variables that could narrow the gap, though no such developments have materialized in the weeks since the primaries.
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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