Incumbent Democratic Sen. John Hickenlooper enters the November 2026 general election as the clear frontrunner against Republican state Sen. Mark Baisley, reflecting Colorado’s sustained Democratic lean in statewide contests and the absence of a competitive GOP primary. Hickenlooper secured his nomination in June after defeating a progressive primary challenger, demonstrating broad party support and substantial fundraising resources. All major forecasters rate the race as safe or solid Democratic, consistent with the state’s voting patterns since 2016. Baisley, a sitting state senator, faces structural headwinds including limited name recognition and the state’s electoral math favoring Democrats. Late developments such as a major scandal, health event, or sharp national partisan shift could theoretically narrow the gap, though current conditions point to limited pathways for an upset.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedColorado Senate Election Winner
Colorado Senate Election Winner
$48,436 Vol.
$48,436 Vol.
Nov 2, 2026
John Hickenlooper (D)
96%
Mark Baisley (R)
3%
$48,436 Vol.
$48,436 Vol.
Nov 2, 2026
John Hickenlooper (D)
$12,768 Vol.
96%
Mark Baisley (R)
$35,668 Vol.
3%
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 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.Incumbent Democratic Sen. John Hickenlooper enters the November 2026 general election as the clear frontrunner against Republican state Sen. Mark Baisley, reflecting Colorado’s sustained Democratic lean in statewide contests and the absence of a competitive GOP primary. Hickenlooper secured his nomination in June after defeating a progressive primary challenger, demonstrating broad party support and substantial fundraising resources. All major forecasters rate the race as safe or solid Democratic, consistent with the state’s voting patterns since 2016. Baisley, a sitting state senator, faces structural headwinds including limited name recognition and the state’s electoral math favoring Democrats. Late developments such as a major scandal, health event, or sharp national partisan shift could theoretically narrow the gap, though current conditions point to limited pathways for an upset.
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 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.
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 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.
Market Opened: Oct 13, 2025, 5:35 PM ET
Volume
$48,436End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...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 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.Incumbent Democratic Sen. John Hickenlooper enters the November 2026 general election as the clear frontrunner against Republican state Sen. Mark Baisley, reflecting Colorado’s sustained Democratic lean in statewide contests and the absence of a competitive GOP primary. Hickenlooper secured his nomination in June after defeating a progressive primary challenger, demonstrating broad party support and substantial fundraising resources. All major forecasters rate the race as safe or solid Democratic, consistent with the state’s voting patterns since 2016. Baisley, a sitting state senator, faces structural headwinds including limited name recognition and the state’s electoral math favoring Democrats. Late developments such as a major scandal, health event, or sharp national partisan shift could theoretically narrow the gap, though current conditions point to limited pathways for an upset.
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 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.
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 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.
Volume
$48,436End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...Incumbent Democratic Sen. John Hickenlooper enters the November 2026 general election as the clear frontrunner against Republican state Sen. Mark Baisley, reflecting Colorado’s sustained Democratic lean in statewide contests and the absence of a competitive GOP primary. Hickenlooper secured his nomination in June after defeating a progressive primary challenger, demonstrating broad party support and substantial fundraising resources. All major forecasters rate the race as safe or solid Democratic, consistent with the state’s voting patterns since 2016. Baisley, a sitting state senator, faces structural headwinds including limited name recognition and the state’s electoral math favoring Democrats. Late developments such as a major scandal, health event, or sharp national partisan shift could theoretically narrow the gap, though current conditions point to limited pathways for an upset.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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