2028 U.S. Senate

Who will control the Senate after 2028?

As of Oct 2, 2026, prediction markets give Democrats a 55% chance of controlling the U.S. Senate after the 2028 elections (Kalshi 55%).

Updated · prices refresh every 10 minutes

Democrats55%
Republicans 45%
Market rating
Toss-up
Kalshi (D / R)
54.7% / 45.3%
Polymarket (D / R)
Not listed
Gap between exchanges
—
Election Day
Nov 7, 2028 (767 days)

Price history

Democratic odds are essentially unchanged since Oct 2, 2026.

0%25%50%75%100%Oct 2Oct 2Oct 2
KalshiPolymarketDemocratic odds, Oct 2 – Oct 2

Every candidate, by exchange

Each exchange's prices rescaled to add up to 100%. Kalshi prices are the bid–ask midpoint; Polymarket prices are its displayed price.

Kalshi open market ↗

OutcomeChanceVolume
Democratic candidate54.7%$4K
Republican candidate45.3%$2K

Polymarket

Polymarket doesn't list this race.

Questions about this race

Who is favored to win control of the Senate in 2028?

As of Oct 2, 2026, prediction markets give Democrats a 55% chance of controlling the U.S. Senate after the 2028 elections (Kalshi 55%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 55%, Republicans 45%.

How have the odds moved this week?

Democratic odds are essentially unchanged since Oct 2, 2026.

When is the 2028 election?

Election Day is Nov 7, 2028, 767 days from now.

Closest races in 2028

Data

Cite as: Parlay the People, “2028 Senate control,” https://parlaythepeople.com/2028/senate/control/, accessed Oct 2, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.