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United States🏛️ Politics📡 Polymarket🕒 Updated November 3, 2026

US Midterms 2026: Odds Each Party Wins the House and Senate (2026)

As of November 3, 2026, “Democrats win the House” leads US Midterms 2026: Odds Each Party Wins the House and Senate with 95%. “Democrats win the Senate” is second and “Democrats sweep Congress” third.

🚫 No paid placement📡 Source: Polymarket🕒 Updated November 3, 2026 ⓘ How we measure

Full ranking

1
Democrats win the House ↗ •🏆 Leader
US midterm elections, 3 November 2026
95%Probability
2
Democrats win the Senate ↗ •
US midterm elections, 3 November 2026
77%Probability
3
Democrats sweep Congress ↗ •
US midterm elections, 3 November 2026
77%Probability
4
Republicans win the Senate ↗ •
US midterm elections, 3 November 2026
24%Probability
5
Republicans win the House ↗ •
US midterm elections, 3 November 2026
6%Probability
6
Republicans sweep Congress ↗ •
US midterm elections, 3 November 2026
6%Probability

How this ranking works

Probabilities implied by trading on the Polymarket prediction market. They reflect what traders are betting, not polls and not our forecast. For information only.

Methodology →

SourcePolymarket
SignalProbability
Last updatedNov 3, 2026, 9:19 AM UTC
Top 10Chance of control of each chamber

Frequently asked questions

What is #1 in US Midterms 2026: Odds Each Party Wins the House and Senate?

As of November 3, 2026, #1 is “Democrats win the House”.

How is this ranking measured?

Probabilities implied by trading on the Polymarket prediction market. They reflect what traders are betting, not polls and not our forecast. For information only.

How often is this chart updated?

Data is re-collected automatically and every page shows its last update date.

Can a brand pay to appear in this ranking?

No. There are no paid placements and no commercial influence on rank.

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