Which party will win the Senate in 2026?
Polymarket traders put "Democratic Party" at 62.5% on "Which party will win the Senate in 2026?". $116K traded in the last 24 hours. There are 2 possible outcomes. It resolves on Nov 4.
Most likely right now
Democratic Party
–63%
PoliticsVol $116KTotal volume $6.2MLiquidity $4.9MComments 172in 25 days (Nov 4)
Current probability
Oct 10 · right column is the 24-hour change (pp)
0%50%100%
Democratic Party
62.5%
–
Republican Party
36.5%
▲1.0
Probability over time
Democratic Party
Republican Party
2026-08-25 ~ 2026-10-10 · y-axis %
