Democratic incumbent John Hickenlooper holds a commanding lead in the Polymarket Colorado Senate market, reflecting trader consensus at 91.5% implied probability, driven by his strong 2020 reelection margin of 9.3 points, consistent polling advantages of 10-15 points over potential GOP challengers, and Colorado's left-leaning electorate that delivered Biden a 13-point win in 2020. Recent developments include the absence of a high-profile Republican recruit amid national GOP focus on battlegrounds like Ohio and Montana, bolstering the frontrunner status. Realistic challenges could arise from a star GOP candidate announcement, such as a popular House member switching races, a major Hickenlooper scandal, or a national Republican wave shifting independents, though upcoming 2026 primaries remain distant catalysts.
Experimental AI-generated summary referencing Polymarket data · Updated
Democrat
92%

Republican
8%

Democrat
92%

Republican
8%
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...Resolver
0x2F5e3684c...Democratic incumbent John Hickenlooper holds a commanding lead in the Polymarket Colorado Senate market, reflecting trader consensus at 91.5% implied probability, driven by his strong 2020 reelection margin of 9.3 points, consistent polling advantages of 10-15 points over potential GOP challengers, and Colorado's left-leaning electorate that delivered Biden a 13-point win in 2020. Recent developments include the absence of a high-profile Republican recruit amid national GOP focus on battlegrounds like Ohio and Montana, bolstering the frontrunner status. Realistic challenges could arise from a star GOP candidate announcement, such as a popular House member switching races, a major Hickenlooper scandal, or a national Republican wave shifting independents, though upcoming 2026 primaries remain distant catalysts.
Experimental AI-generated summary referencing Polymarket data · Updated



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