WA-09 House Election Winner: how this market works

What you need to know

This market is asking a simple question: which party will win the congressional seat representing Washington State's 9th district in the 2026 midterm elections? A Yes for Democrats means a Democrat wins that House seat in Congress. A Yes for Republicans means a Republican wins it. WA-09 covers parts of the Seattle area, including communities south of the city, and it has been a reliably Democratic district for many years. The market settles based on whichever party's candidate wins the WA-09 race on November 3, 2026. The winner is determined first by credible news reporting, and if there is any dispute, the Federal Election Commission's official results are the final word. One detail worth knowing: if a candidate runs without a clear party label, the market will assign them to whichever party they most recently said they planned to align with in Congress. None of the recent headlines provided relate directly to the WA-09 race. The news covers other contests and national topics. The kind of development that would actually matter here would be local: who files to run in this district, whether the current representative faces a primary challenge, or any significant candidate announcement specific to WA-09. The market prices this heavily toward Democrats at around 94%, which reflects that WA-09 has been a safe Democratic district for a long time. The honest uncertainty here is not really about two equal sides. It is mostly about whether something unexpected happens, like a strong independent candidate, a surprise primary result, or an unusually favorable national environment for Republicans. Those scenarios are possible, just not what the market currently treats as likely.

The odds right now

• Democratic Party94%
• Republican Party+1.0 pts (1w)7%

Price history

How this resolves

Resolves November 3, 2026

This market will resolve according to the party of the candidate who wins the WA-09 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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