Arizona's 4th congressional district carries a D+4 partisan voter index heading into the 2026 cycle, positioning incumbent Democrat Greg Stanton as the clear frontrunner for reelection on November 3. Forecasters including the Cook Political Report rate the race Solid Democratic, reflecting the district's suburban Phoenix composition and Stanton's 52.7 percent margin in 2024. The Democratic primary on July 21 features limited opposition, while Republican contenders have yet to consolidate support in a district where national midterm dynamics would need substantial shifts to alter the outcome. Trader consensus at 84.5 percent for Democrats aligns with these structural factors and the absence of recent developments that have meaningfully narrowed the gap.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAZ-04 House Election Winner
$16,495 Vol.
$16,495 Vol.
Democratic Party
85%
Republican Party
12%
$16,495 Vol.
$16,495 Vol.
Democratic Party
85%
Republican Party
12%
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...Arizona's 4th congressional district carries a D+4 partisan voter index heading into the 2026 cycle, positioning incumbent Democrat Greg Stanton as the clear frontrunner for reelection on November 3. Forecasters including the Cook Political Report rate the race Solid Democratic, reflecting the district's suburban Phoenix composition and Stanton's 52.7 percent margin in 2024. The Democratic primary on July 21 features limited opposition, while Republican contenders have yet to consolidate support in a district where national midterm dynamics would need substantial shifts to alter the outcome. Trader consensus at 84.5 percent for Democrats aligns with these structural factors and the absence of recent developments that have meaningfully narrowed the gap.
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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