WA-03 House 2026

The chance this seat goes Republican in November, across every listed contract, as a 0–100 chance the Republican wins.

LiveHeld by Democrats · projected hold·$171 traded / 24h·10 contracts·5 exchanges·Margin rank 90 of 435
SEAT PMI · 0–100 · CHANCE REPUBLICANS WIN
9.8Safe D · ▲ 0.8 14d
DEMOCRATEVENREPUBLICAN
Republicans win
9.8
enters as 9.8
Democrats win
90.3
enters as 100 − 90.3 = 9.8

Both legs are aggregated. The Democratic leg is converted as 100 − p, so this seat reads on the same scale as every other.

Control of the House

Does WA-03 decide the House?

No. It is rated Safe D, outside the 37 contested seats.
Democrats already have 226 seats rated safe or likely, 8 past the 218 majority; Republicans have 172 rated safe or likely, 46 short of 218.
Full House picture
Contracts behind this reading · 6 of 10

Sorted by weight

Will Republican win the House race for WA-3? - John Braun11.0Kalshi ↗ · Republican leg · enters as 11.0weight 98.1%Will the Democratic Party win the WA-03 House seat?89.5Polymarket ↗ · Democratic leg · enters as 10.5weight 1.8%Will Democratic win the House race for WA-3? - Marie Gluesenkamp Perez91.2Kalshi ↗ · Democratic leg · enters as 8.8weight 0.2%Washington-03 House Winner - Marie Gluesenkamp Perez93.0Gemini ↗ · Democratic leg · enters as 7.0weight 0.0%Washington-03 House Winner - John Braun12.0Gemini ↗ · Republican leg · enters as 12.0weight 0.0%WA-03 General Election — John Braun14.0IBKR ↗ · Republican leg · enters as 14.0weight 0.0%
Show all 10 contracts
Weights are 24h liquidity share · reconciled reading 9.8 · rows open on the exchange