2026 Senate
Colorado Senate race odds
As of Oct 2, 2026, prediction markets give Democrat John Hickenlooper a 99% chance of winning the 2026 Colorado Senate race over Republican Mark Baisley (Kalshi 99%, Polymarket 98%).
Updated · prices refresh every 10 minutes
- Market rating
- Safe D
- Kalshi (D / R)
- 98.8% / 1.2%
- Polymarket (D / R)
- 98.4% / 1.6%
- Gap between exchanges
- 0.4 pts
- Election Day
- Nov 3, 2026 (32 days)
Price history
Democratic odds are essentially unchanged since Oct 2, 2026.
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 ↗
| Outcome | Chance | Volume |
|---|---|---|
| John Hickenlooper (D) | 98.8% | $12K |
| Mark Baisley (R) | 1.2% | $18K |
Polymarket open market ↗
| Outcome | Chance | Volume |
|---|---|---|
| John Hickenlooper (D) | 98.4% | $14K |
| Mark Baisley (R) | 1.6% | $37K |
Questions about this race
Who is favored to win the 2026 Colorado Senate race?
As of Oct 2, 2026, prediction markets give Democrat John Hickenlooper a 99% chance of winning the 2026 Colorado Senate race over Republican Mark Baisley (Kalshi 99%, Polymarket 98%).
What do Kalshi and Polymarket say?
Kalshi: Democrats 99%, Republicans 1%. Polymarket: Democrats 98%, Republicans 2%. The two exchanges differ by 0.4 points.
How have the odds moved this week?
Democratic odds are essentially unchanged since Oct 2, 2026.
When is the 2026 election?
Election Day is Nov 3, 2026, 32 days from now.
Other Colorado races in 2026
- Colorado GovernorD 98%
- CO-01 HouseD 98%
- CO-02 HouseD 98%
- CO-03 HouseR 74%
- CO-04 HouseR 70%
- CO-05 HouseR 72%
- CO-06 HouseD 97%
- CO-07 HouseD 96%
- CO-08 HouseD 85%
Closest Senate races in 2026
Data
Price history (JSON)All 2026 races (JSON)All 2026 races (CSV)2026 dashboardMethodology
Cite as: Parlay the People, “2026 Colorado Senate race,” https://parlaythepeople.com/2026/senate/colorado/, accessed Oct 2, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.