Politics · Polymarket

Will the Democrats win the Iowa Senate race in 2026?

As of Oct 15, 2026, traders on Polymarket price this market at 42%. RocketScience has a live forecast and a YES / NO call on it, updated the moment the news or the odds move. Sign up free to see today's picks, or go Pro for every call.

Market odds: 42%
Our forecast: 🔒 Members
Call: 🔒 Members
Closes: Nov 4, 2026 (19d 7h)
Volume: $497,608
Exchange: Polymarket

Open the live chart Trade on Polymarket ↗

Why we think this

We weigh 25 stored news events for this market, the live order book and, for crypto, a spot-price model. The reasoning and the full story are for Pro members.

Latest headlines

Obama boosts support for Ohio Democrat in race for red Senate seat · abc6onyourside.com
Senate Democrats pressure EPA to drop abortion pill water quality study · washingtonexaminer.com
Brazil's Senate approves shorter workweek in win for Lula · dailymaverick.co.za
Montana's Senate Race Is Breaking All the Rules of Party Loyalty · ivn.us
Forecasters See Democrats Taking House, Senate Race Uncertain · miragenews.com
Incumbent Green faces challengers Rogers, Larson in Senate District 2 race · bemidjipioneer.com

Frequently asked questions

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

Traders on Polymarket price it at 42%.

What is RocketScience's prediction for “Will the Democrats win the Iowa Senate race in 2026?”?

Our forecast and call on this market are for members. Sign up free to see today's picks. Every call is YES or NO: YES when our own forecast is 50% or more.

When does this market close?

It closes on Nov 4, 2026 (UTC).

How is the forecast made?

We start from the live exchange price, filter out noise, add the direction of recent news (and a spot-price model for crypto), and re-forecast instantly when the odds jump.

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Last updated 2026-10-15 21:32 UTC. Forecasts are for research only, not financial advice.