Colorado Senate 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·$760 traded / 24h·12 contracts·6 exchanges·Margin rank 35 of 35
← Closer · ORSafest race
SEAT PMI · 0–100 · CHANCE REPUBLICANS WIN
1.0Safe D · ▲ 0.2 14d
DEMOCRATEVENREPUBLICAN
Republicans win
1.0
enters as 1.0
Democrats win
99.0
enters as 100 − 99.0 = 1.0

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 Senate

Does Colorado decide the Senate?

No. It is rated Safe D, outside the 7 contested seats.
Control turns on the 7 contested seats. The seat that tips control is Texas at 34.2.
Full Senate picture
Contracts behind this reading · 6 of 12

Sorted by weight

Will Democratics win the Senate race in Colorado? - John Hickenlooper99.4Kalshi ↗ · Democratic leg · enters as 0.6weight 75.7%Will Republicans win the Senate race in Colorado? - Mark Baisley1.0Kalshi ↗ · Republican leg · enters as 1.0weight 21.0%Will the Democrats win the Colorado Senate race in 2026?99.1Polymarket ↗ · Democratic leg · enters as 1.0weight 3.3%Colorado Senate General Election — Mark Baisley2.5IBKR ↗ · Republican leg · enters as 2.5weight 0.0%Colorado Senate General Election — John Hickenlooper97.0IBKR ↗ · Democratic leg · enters as 3.0weight 0.0%Colorado US Senate Winner - Mark Baisley5.0Gemini ↗ · Republican leg · enters as 5.0weight 0.0%
Show all 12 contracts
Weights are 24h liquidity share · reconciled reading 1.0 · rows open on the exchange
Other Colorado races this cycle

Also on the ballot