2026 Colorado Senate Race odds
Polymarket traders make John Hickenlooper (D) the favorite for “Colorado Senate Election Winner” at >99% (+0.3 pts in the last 24 hours), ahead of Mark Baisley (R) at 0.4%.
Prices refresh every few minutes. Probabilities are not predictions or advice, and you can lose what you trade.
Probability over the last 30 days
The top 2 outcomes right now.
All 2 outcomes and their odds
Probability is the share price. Decimal odds show what $1 returns if that outcome wins, before fees. American odds show the same price as a moneyline: +150 pays $150 on a $100 stake, −200 needs $200 to win $100.
Odds as of
- >99%
John Hickenlooper (D)>99%24h +0.3 ptsOdds 1.00US −22122Trade on Polymarket (affiliate link) - 0.4%
Mark Baisley (R)0.4%24h −0.5 ptsOdds 285.71US +28471Trade on Polymarket (affiliate link)
Where this market stands
“Colorado Senate Election Winner” is a Polymarket event with 2 open outcomes. John Hickenlooper (D) leads at >99%, ahead of Mark Baisley (R) at 0.4%. John Hickenlooper (D) is up 0.3 points over the last 24 hours and up 0.7 points over the past week. Traders have put $54K through the event so far, including $89 in the last 24 hours, and it is scheduled to end on November 4, 2026.
Whale trades in this market
The latest trades of $1,000 or more on this event, newest first.
SitsToPee bought No at 95%
Will the Republicans win the Colorado Senate race in 2026?
Ryxon21 bought Yes at 95%
Will the Democrats win the Colorado Senate race in 2026?
bernardbulletin bought No at 93%
Will the Republicans win the Colorado Senate race in 2026?
How this market resolves
This market will resolve according to the winner of the 2026 midterm Colorado U.S. Senate election, inclusive of any run-offs.
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Rules are written by Polymarket and shown as published. WhaleSays does not settle markets.
Common questions
New to this? Our guide covers how to make your first trade.
- Who is the favorite in Colorado Senate Election Winner?
- John Hickenlooper (D) is the favorite at >99%, followed by Mark Baisley (R) at 0.4%. Prices are the market's implied probabilities and update as traders buy and sell.
- Will the Democrats win the Colorado Senate race in 2026?
- Polymarket traders give John Hickenlooper (D) a >99% chance, which is decimal odds of 1.00 (American −22122): $1 staked on John Hickenlooper (D) returns about $1.00 if it resolves Yes, before fees. In the last 24 hours the price moved up 0.3 points.
