Voters will decide control of the U.S. Senate in the 2026 midterm elections, with 35 seats on the ballot and several closely watched contests that could determine which party holds the majority in 2027.
Disclaimer: The following article reflects market activity at the time of capture — not official election results.
DraftKings Predictions Market: Party to Control the U.S. Senate in 2026
Pricing reflects market sentiment and is subject to change.
Democratic Party — 75% Yes
The Democratic Party’s 75% “Yes” price indicates that the prediction market currently views Democrats as the more likely party to control the Senate after the 2026 elections.
Democrats and the two independents who caucus with them currently hold 47 seats. That means Democrats need a net gain of four seats to reach an outright 51-seat majority.
Republican Party — 28% Yes
Republicans currently hold 53 Senate seats, giving them the chamber’s majority entering Election Day.
The GOP’s 28% “Yes” price reflects the market’s current view of its market to hold the Senate. Republicans can retain control with 50 seats if the vice president is available to cast tie-breaking votes.
How many seats are in the U.S. Senate?
There are 100 seats in the U.S. Senate — two for each state. Senators serve six-year terms, but the full chamber is not elected at once. Instead, roughly one-third of Senate seats are up for election every two years.
In 2026, voters will decide 35 Senate races:
- 33 regularly scheduled elections
- Two special elections, in Ohio and Florida
- 22 Republican-held seats being defended
- 13 Democratic-held seats being defended
Republicans currently have a 53-47 edge, with the two independents caucusing with Democrats.
Tightest Senate races to watch in 2026
Several races are expected to shape the fight for Senate control, including Alaska, Iowa, Kansas, Maine, Michigan, Ohio and Texas.
Prediction-market percentages reflect current trading activity and may not add up to exactly 100% because of market pricing and other factors. They are a real-time indicator of market expectations, rather than a definitive election forecast.
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