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Live prediction market odds for Colorado Senate winner?. Compare prices across Kalshi and Polymarket US and Polymarket and PredictIt.

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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket / PredictIt

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Colorado Senate winner?

2026-11-03

Best price · tap to trade

John Hickenlooper (D)99¢1.01xKalshiMark Baisley (R)2¢50.00xKalshi

About This Market

Traders give John Hickenlooper (D) about a 98.2% chance. Mark Baisley (R) follows at 2.1%. Compare prices from Kalshi, Polymarket US, Polymarket, and PredictIt. The largest cross-platform price difference is 4.0 percentage points.

Traders give John Hickenlooper (D) about a 98.2% chance. Mark Baisley (R) follows at 2.1%. Compare prices from Kalshi, Polymarket US, Polymarket, and PredictIt. The largest cross-platform price difference is 4.0 percentage points.

Prediction markets on Polymarket and Kalshi are tracking the Colorado Senate winner for the upcoming 2026 election. This race is crucial as it could impact the balance of power in the Senate, influencing legislative priorities and national policies.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

4 platforms
OutcomeConsensus
Kalshi
Polymarket US
Polymarket
PredictIt
Best price
JH
John Hickenlooper (D)
98%
Kalshi99¢
—
Polymarket99¢
PredictIt98¢
Kalshi1.01x99¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
98.4%98¢99¢1¢2¢
PolymarketPolymarket
98.0%97¢99¢1¢3¢
PredictItPredictIt
98.0%94¢98¢2¢6¢
MB
Mark Baisley (R)ARB
2%
Kalshi2¢
Polymarket US4¢
Polymarket3¢
PredictIt8¢
Kalshi66.67x2¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
1.5%1¢2¢99¢99¢
Polymarket USPolymarket US
3.0%3¢4¢96¢97¢
PolymarketPolymarket
1.9%1¢3¢97¢99¢
PredictItPredictIt
5.5%3¢8¢92¢97¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarketPredictItPredictIt

Best price among US-regulated venues.

Candidate Spotlight

About John Hickenlooper (D)

John Hickenlooper is the current U.S. Senator from Colorado, serving since January 2021. He previously served as Colorado's governor from 2011 to 2019 and as Denver's mayor from 2003 to 2011. Hickenlooper has a history of bipartisan collaboration and has been involved in various legislative initiatives during his tenure in the Senate.

Smart Trade Router

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Resolution Oracles

KalshiKalshi
United States Congress
Read Full Market Rulebooks
Stats
Spread4.0%
Platforms4
Candidates2
Leader

John Hickenlooper (D)

98.2% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Colorado Senate winner?

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket US.

KalshiKalshi
Primary Rule

If a representative of the Republican party is sworn in as a Senator of Colorado for the term beginning in 2027, then the market resolves to Yes.

Resolution Oracles
United States Congress
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if the Republican Party nominee wins the 2026 midterm election for US Senator from Colorado. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

Frequently Asked Questions

What factors influence the odds for the Colorado Senate race?

Odds are influenced by polling data, candidate fundraising, and public sentiment. Additionally, national political trends and local issues can sway voter preferences.

How does the Colorado Senate race affect national politics?

The outcome of this race could shift the majority in the Senate, impacting legislative agendas. A change in control may lead to significant changes in policy direction on various issues.

When will the Colorado Senate election take place?

The election is scheduled for November 3, 2026. This timeline allows for extensive campaigning and voter mobilization efforts leading up to the vote.

What does the Colorado Senate winner prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, PredictIt in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest Colorado Senate winner odds?

The latest available prices are John Hickenlooper (D): 98.4¢ on Kalshi, 98.0¢ on Polymarket, 98.0¢ on PredictIt; Mark Baisley (R): 1.5¢ on Kalshi, 1.9¢ on Polymarket, 5.5¢ on PredictIt, 3.0¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Prediction HuntPrediction.com coverage

Democratic Party Hits 95% in Colorado Senate Market With Three-Way Race SetDemocratic odds rose from a reported 52% low to 95% over three days. Hickenlooper faces Mark Baisley and self-funded Forward Party nominee Bob Chew.Jul 14, 2026Democratic Party's Colorado Senate Odds Crash to 50% Despite Harris's 10.5-Point WinA 44-point probability collapse in 3 days with no public catalyst. Traders are pricing a threat that doesn't appear in any available reporting.Jul 10, 2026Will Democrats Win Colorado Senate 2026? Odds Collapse to 50%A 44-point drop in 72 hours leaves Colorado's Senate seat priced as a coin flip, with Kalshi at 95% and Polymarket at just 6%.Jul 8, 2026Democrats Reach 96% to Win Colorado Senate Race After 44-Point SurgeBoth Kalshi (97%) and Polymarket (94%) converged on near-certainty within 72 hours, with no public candidate announcement or withdrawal confirmed.Jul 5, 2026

Prediction Market Track Record

Colorado Democratic Senate Primary WinnerWONPre-event: 94%Colorado Senate primary margin of victory?WONPre-event: 99%

Historical Track Record

Scroll to view past markets

Colorado Democratic Senate Primary Winner

Resolved

2026-06-30

WONJohn Hickenlooper (D)
Pre-event: 94%

Colorado Senate primary margin of victory?

Resolved

2027-06-30

WONJohn Hickenlooper (D)
Pre-event: 99%