Incumbent Republican Paul Gosar, seeking an eighth term in Arizona's 9th Congressional District—a safely Republican seat with a Cook Partisan Voting Index of R+15—drives trader consensus toward an 87.5% implied probability of a GOP victory on November 3, 2026. Recent candidate filing deadlines passed without a prominent Democratic challenger emerging, reinforcing the district's historical patterns of large Republican margins, as seen in Gosar's 2024 win exceeding 60%. In the GOP primary on July 21, Gosar faces only minor opposition from Teresa Volesky, posing little threat. Absent polling shifts or scandals, traders price low upset risk despite midterm volatility.
Experimental AI-generated summary referencing Polymarket data · UpdatedAZ-09 House Election Winner
AZ-09 House Election Winner
Republican Party
88%
Democratic Party
11%
Republican Party
88%
Democratic Party
11%
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 27, 2026, 11:54 PM 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 Paul Gosar, seeking an eighth term in Arizona's 9th Congressional District—a safely Republican seat with a Cook Partisan Voting Index of R+15—drives trader consensus toward an 87.5% implied probability of a GOP victory on November 3, 2026. Recent candidate filing deadlines passed without a prominent Democratic challenger emerging, reinforcing the district's historical patterns of large Republican margins, as seen in Gosar's 2024 win exceeding 60%. In the GOP primary on July 21, Gosar faces only minor opposition from Teresa Volesky, posing little threat. Absent polling shifts or scandals, traders price low upset risk despite midterm volatility.
Experimental AI-generated summary referencing Polymarket data · Updated

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