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

US Midterms 2026: Who Will Control Congress? Odds by Outcome (2026)

As of November 3, 2026, “Democrats sweep: win the House and the Senate” leads US Midterms 2026: Who Will Control Congress? Odds by Outcome with 77%. “Split: Republican Senate, Democratic House” is second and “Republicans sweep: win the House and the Senate” third.

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

Full ranking

1
Democrats sweep: win the House and the Senate ↗ •🏆 Leader
Control of Congress after the 2026 midterms
77%Probability
2
Split: Republican Senate, Democratic House ↗ •
Control of Congress after the 2026 midterms
19%Probability
3
Republicans sweep: win the House and the Senate ↗ •
Control of Congress after the 2026 midterms
6%Probability
4
Split: Democratic Senate, Republican House ↗ •
Control of Congress after the 2026 midterms
1%Probability
5
Other outcome ↗ •
Control of Congress after the 2026 midterms
0%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 10Sweeps and split outcomes for the House and Senate

Frequently asked questions

What is #1 in US Midterms 2026: Who Will Control Congress? Odds by Outcome?

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

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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