Wyoming's entrenched Republican voter base and consistent electoral history drive the market's strong consensus for a Republican win in the 2026 Senate race. The open seat, following incumbent Cynthia Lummis's retirement, drew Republican nominee Harriet Hageman, who secured the nomination in the August 18 primary with roughly 65% of the vote over several challengers and holds endorsements including from President Trump. Democrat James W. Byrd advanced with minimal opposition but faces structural barriers in a state where the party has not won a Senate contest since 1970. Forecasters rate the contest solid or safe Republican. While a major scandal, candidate health event, or dramatic national realignment could theoretically narrow the margin before November 3, the state's partisan composition and recent primary results underpin the current trader assessment of a wide Republican advantage.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$16,728 Vol.
$16,728 Vol.

Republican
96%

Democrat
3%
$16,728 Vol.
$16,728 Vol.

Republican
96%

Democrat
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, 4:48 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...Wyoming's entrenched Republican voter base and consistent electoral history drive the market's strong consensus for a Republican win in the 2026 Senate race. The open seat, following incumbent Cynthia Lummis's retirement, drew Republican nominee Harriet Hageman, who secured the nomination in the August 18 primary with roughly 65% of the vote over several challengers and holds endorsements including from President Trump. Democrat James W. Byrd advanced with minimal opposition but faces structural barriers in a state where the party has not won a Senate contest since 1970. Forecasters rate the contest solid or safe Republican. While a major scandal, candidate health event, or dramatic national realignment could theoretically narrow the margin before November 3, the state's partisan composition and recent primary results underpin the current trader assessment of a wide Republican advantage.
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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