Incumbent Democratic Sen. John Hickenlooper secured his party’s nomination in the June 30 primary and enters the November general election as the clear favorite against Republican state Sen. Mark Baisley in Colorado’s U.S. Senate race. All major forecasters rate the contest Solid or Safe Democratic, reflecting the state’s partisan lean, Hickenlooper’s established name recognition and fundraising edge, and the absence of a competitive Republican challenger. Trader consensus at 96% for a Democratic winner aligns with these structural advantages and recent polling trends. Late developments such as a major scandal, health event, or sharp national partisan shift could still narrow the gap, though such scenarios remain low-probability based on current evidence.
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.

Democrat
96%

Republican
3%
$47,997 Vol.
$47,997 Vol.

Democrat
96%

Republican
3%
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
Resolver
0x2F5e3684c...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.
Resolver
0x2F5e3684c...Incumbent Democratic Sen. John Hickenlooper secured his party’s nomination in the June 30 primary and enters the November general election as the clear favorite against Republican state Sen. Mark Baisley in Colorado’s U.S. Senate race. All major forecasters rate the contest Solid or Safe Democratic, reflecting the state’s partisan lean, Hickenlooper’s established name recognition and fundraising edge, and the absence of a competitive Republican challenger. Trader consensus at 96% for a Democratic winner aligns with these structural advantages and recent polling trends. Late developments such as a major scandal, health event, or sharp national partisan shift could still narrow the gap, though such scenarios remain low-probability based on current evidence.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


Beware of external links.
Beware of external links.
Frequently Asked Questions