The Colorado U.S. Senate race features incumbent Democrat John Hickenlooper facing Republican Mark Baisley in a contest widely viewed as a safe Democratic hold following Hickenlooper’s June primary victory. This limited competitiveness reduces incentives for intense voter mobilization on both sides, anchoring trader expectations around typical midterm turnout ranges near 2.4–2.7 million ballots. Colorado’s universal mail-in system and large unaffiliated voter bloc historically support solid participation rates, yet lower national salience for this off-year election and uneven early primary returns—where Democrats outpaced Republicans—keep multiple adjacent brackets clustered closely. Key variables that could separate outcomes include late-cycle advertising intensity, weather on November 3, and any shifts in unaffiliated or younger voter engagement before ballots are counted.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated2.4M-2.55M 43%
2.1M-2.25M 35%
2.7M-2.85M 34%
2.85M-3M 32%
<2.1M
39%
2.1M-2.25M
35%
2.25M-2.4M
30%
2.4M-2.55M
43%
2.55M-2.7M
32%
2.7M-2.85M
34%
2.85M-3M
32%
3M+
32%
2.4M-2.55M 43%
2.1M-2.25M 35%
2.7M-2.85M 34%
2.85M-3M 32%
<2.1M
39%
2.1M-2.25M
35%
2.25M-2.4M
30%
2.4M-2.55M
43%
2.55M-2.7M
32%
2.7M-2.85M
34%
2.85M-3M
32%
3M+
32%
If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.
If the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.
All votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.
The primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.
Market Opened: Aug 18, 2026, 10:07 AM ET
Resolver
0x69c47De9D...If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.
If the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.
All votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.
The primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.
Resolver
0x69c47De9D...The Colorado U.S. Senate race features incumbent Democrat John Hickenlooper facing Republican Mark Baisley in a contest widely viewed as a safe Democratic hold following Hickenlooper’s June primary victory. This limited competitiveness reduces incentives for intense voter mobilization on both sides, anchoring trader expectations around typical midterm turnout ranges near 2.4–2.7 million ballots. Colorado’s universal mail-in system and large unaffiliated voter bloc historically support solid participation rates, yet lower national salience for this off-year election and uneven early primary returns—where Democrats outpaced Republicans—keep multiple adjacent brackets clustered closely. Key variables that could separate outcomes include late-cycle advertising intensity, weather on November 3, and any shifts in unaffiliated or younger voter engagement before ballots are counted.
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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