Who controls Congress
Control of Congress
The chance each party holds a majority when the new Congress is sworn in.
How big is the wave?
How many seats Democrats win
The market's odds for every seat-count range. The dashed line is the majority mark.
The Senate map
Every Senate race, colored by who's favored
Deeper blue or red means a surer thing; pale means a toss-up. Hover a state for the candidates.
Toss-ups
The closest Senate races
The tightest races on the board, as a tug of war between the two candidates.
Win probability from each race's Kalshi market, scaled to add to 100%.
Governors
Every governor's race
Every governor's race with a market, same colors and scale as the Senate map.
Prices come from Kalshi's public market data and refresh every few hours. A price of 64¢ means the market gives about a 64% chance. These are crowd forecasts, not predictions or endorsements from SheetSense.