Will the Republicans win the Iowa Senate race in 2026?

Yes at 55% on 30 Oct 2026, down 2 pts over the previous 7 days. No big jumps detected yet.

Data from Polymarket.

Context

This market asks whether the Republican candidate will win the 2026 U.S. Senate election in Iowa, including any run-offs. It will resolve based on agreement from the Associated Press, Fox News, and NBC, or on official election certification if those sources do not all agree.

As the midterm elections approach with just days remaining, the race in Iowa has drawn national attention and tight polling. Recent developments include fluctuating campaign schedules, with rallies initially canceled and then added back by political figures in the state.

The election concludes on November 4, 2026. The contest features the Republican nominee, who has made notable statements regarding their independence, competing as a key race that could influence control of the Senate.

Sources: Firstpost: Why has Trump cancelled rallies in closely contested Iowa and Kansas 4 days before midterms?, NBC News: Iowa Midterm Elections 2026: Key Races, Candidates and Past Results, Madison Courier: AP Decision Notes: What to expect in Iowa on Election Day, International Business Times, Singapore Edition: US Senate Election 2026 Map: The Seven Races That Could Decide Control of the Senate, The Detroit News: Locked in close Senate race, Iowa Republican pledges to be a thorn in Trump’s side, The New York Times: Trump Cancels Rallies in Kansas and Iowa, Denver7: After canceling events, Trump adds Kansas and Iowa campaign stops

Written by AI from the linked news sources and checked automatically, not by a person.

What could move it next

No upcoming events listed for this market yet.

Price jumps explained

No jumps detected for this market yet.

Other markets in “Iowa Senate Election Winner”

Questions about this market

What are the odds for “Will the Republicans win the Iowa Senate race in 2026”?

On 30 Oct 2026, Polymarket traders priced Yes at 55%, which means they saw about a 55 in 100 chance. That was down 2 points over the previous 7 days. The live price is shown in the chart at the top of this page.

How does this market resolve?

This market will resolve according to the winner of the 2026 midterm Iowa U.S. Senate election, inclusive of any run-offs. The candidates may be named in the contract for the convenience of traders. The full Polymarket rules are at the bottom of this page.

When does this market end?

Polymarket lists 4 Nov 2026 as the end date. It can settle earlier or later if the rules say so, for example when an official result comes in.

Can I bet on this market on predictionwave?

No. predictionwave only explains the odds. The market itself runs on Polymarket, and trading there is not allowed in every country.

How this market resolves (Polymarket rules)

This market will resolve according to the winner of the 2026 midterm Iowa U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.