AZ-04 House Election Winner: how this market works

What you need to know

This market is asking which party will win Arizona's 4th Congressional District seat in the U.S. House in the 2026 midterm elections. A Yes for Democrats means a Democrat wins that seat in Congress; a Yes for Republicans means a Republican wins it. Arizona's 4th district covers part of the Phoenix metro area and has leaned Democratic in recent cycles, which is reflected in the current odds. The market settles based on whoever wins the AZ-04 seat on Election Day, November 3, 2026. The winner's party is determined by how they are listed on the ballot, or if that is unclear, by which party they publicly said they would caucus with. The result follows credible news reporting first, and if there is any dispute, the official Federal Election Commission results are the final word. There is no special edge case to worry about here beyond a contested or delayed count. None of the provided news headlines directly relate to the AZ-04 race. The stories are about national political topics, not this specific district or its candidates. The kind of news that would actually matter here includes: candidate announcements for this seat, primary results, fundraising totals, or any redistricting changes affecting the district's boundaries. At 90% for Democrats, this market is heavily one-sided, so the honest framing is not two equal forces pushing against each other. The main uncertainty is simply whether something unexpected happens: a strong Republican candidate emerging, a national political shift that flips normally safe seats, a scandal, or a surprisingly high or low turnout in this district. Midterms are still over a year away, and a lot can change in the national political environment between now and November 2026.

The odds right now

• Democratic Party+5.5 pts (1w)89%
• Republican Party-5.0 pts (1w)9%

Price history

How this resolves

Resolves November 3, 2026

This market will resolve according to the party of the candidate who wins the AZ-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. Read the full resolution rules on the live market page.

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