Incumbent Democratic Senator John Hickenlooper secured his party's nomination in the June 2026 primary and enters the November general election as the clear favorite against Republican state Senator Mark Baisley. Colorado's consistent Democratic tilt in statewide contests, Hickenlooper's established name recognition and fundraising edge, and the absence of a competitive Republican challenger have produced trader consensus around a Democratic hold. All major forecasters rate the seat Solid or Safe Democratic. Late developments such as a major scandal, significant health event, or sharp national political shift could still alter the outcome, though none appear imminent.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$47,997 Vol.
$47,997 Vol.
Nov 2, 2026
Democrat
96%
Republican
3%
$47,997 Vol.
$47,997 Vol.
Nov 2, 2026
Democrat
$12,483 Vol.
96%
Republican
$35,514 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 Senator John Hickenlooper secured his party's nomination in the June 2026 primary and enters the November general election as the clear favorite against Republican state Senator Mark Baisley. Colorado's consistent Democratic tilt in statewide contests, Hickenlooper's established name recognition and fundraising edge, and the absence of a competitive Republican challenger have produced trader consensus around a Democratic hold. All major forecasters rate the seat Solid or Safe Democratic. Late developments such as a major scandal, significant health event, or sharp national political shift could still alter the outcome, though none appear imminent.
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
$47,997End 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 Senator John Hickenlooper secured his party's nomination in the June 2026 primary and enters the November general election as the clear favorite against Republican state Senator Mark Baisley. Colorado's consistent Democratic tilt in statewide contests, Hickenlooper's established name recognition and fundraising edge, and the absence of a competitive Republican challenger have produced trader consensus around a Democratic hold. All major forecasters rate the seat Solid or Safe Democratic. Late developments such as a major scandal, significant health event, or sharp national political shift could still alter the outcome, though none appear imminent.
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
$47,997End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...Incumbent Democratic Senator John Hickenlooper secured his party's nomination in the June 2026 primary and enters the November general election as the clear favorite against Republican state Senator Mark Baisley. Colorado's consistent Democratic tilt in statewide contests, Hickenlooper's established name recognition and fundraising edge, and the absence of a competitive Republican challenger have produced trader consensus around a Democratic hold. All major forecasters rate the seat Solid or Safe Democratic. Late developments such as a major scandal, significant health event, or sharp national political shift could still alter the outcome, though none appear imminent.
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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