Lock in Senate race outcomes and see each party’s chances of controlling the chamber change in real time.

Senate control odds
Seat math
Model expects: Democrats 53 seats, at least 8 in 10 simulations between 48 and 56; Republicans 47, between 44 and 52.
Ripple Effects

Make your first selections and hit “Calculate odds.” The seats whose odds move most will show up here.

No races locked.
Every locked race ripples across the entire board.
Deep-board seats are muted until you open the drawer below.
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CT
MD
VT
Blue: Democratic-favoredRed: Republican-favoredParty color: locked resultMuted seats are in the deep-board drawer