IA-04 House Election Winner: how this market works

What you need to know

This market is asking a simple question: which party will win one specific congressional seat in Iowa in the 2026 midterm elections? Iowa's 4th congressional district is a large, rural district covering the northwestern part of the state. A Yes for Republicans means their candidate wins the seat in the U.S. House of Representatives. A Yes for Democrats means their candidate pulls off a win there. The market currently prices Republicans at 92% and Democrats at 7%, reflecting how heavily Republican-leaning this district is. The market settles based on who wins the IA-04 seat on Election Day, November 3, 2026. The winner is determined first by a consensus of credible news reporting, and if there is any dispute, the official Federal Election Commission results decide it. One detail worth knowing: if a candidate runs without a clear party label, the market will assign them to whichever party they said they planned to caucus with. The market closes once all 2026 House races are officially called. None of the provided news headlines relate directly to Iowa's 4th congressional district. The things most worth watching for would be: who the Republican and Democratic nominees turn out to be after primaries, any significant candidate announcements, and broader national political shifts that could affect midterm voting patterns across competitive and safe districts alike. This market is heavily one-sided, with Republicans priced at 92%, and that reflects real history: IA-04 has voted Republican by wide margins for years. The main uncertainty is not a genuine two-sided debate but rather the small chance something unexpected happens, such as a major candidate scandal, an unusually strong Democratic recruit, or a dramatic national political environment. Those things are possible but the market is currently treating them as unlikely. The election is still more than a year away, which leaves time for surprises.

The odds right now

• Republican Party-2.0 pts (1w)92%
• Democratic Party7%

Price history

How this resolves

Resolves November 3, 2026

This market will resolve according to the party of the candidate who wins the IA-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.

Related

Same markets. A fraction of the fee.

These apps all route to the same exchange order book. The difference is what each one adds on top of the exchange's own fee.

Published rates, checked July 2026. MetaMask charges a flat 4 percent per prediction trade. Jupiter adds a fee equal to the exchange's own taker fee at fill time, roughly 2 to 4 percent at typical odds. Where a market carries an exchange settlement fee, it applies everywhere, whichever app you use. Paridesk adds nothing on maker orders.

Trade this market on Paridesk: non-custodial, 0.5% fee.