Wyoming's entrenched Republican dominance in federal elections, including a 45-point margin in the 2020 Senate race and no Democratic Senate victory since 1970, anchors trader consensus around a Republican winner at 96.5%. The open seat left by retiring incumbent Cynthia Lummis drew a competitive August 18 primary where U.S. Representative Harriet Hageman secured the nomination with 65% and endorsements from President Trump, Lummis, and Senator John Barrasso, while Democrat James Byrd advanced easily but from a small primary electorate. All major forecasters rate the November 3 contest solid or safe Republican. A Democratic upset would require an unforeseen scandal, nominee withdrawal, or dramatic national realignment capable of overcoming the state's structural barriers.
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 dominance in federal elections, including a 45-point margin in the 2020 Senate race and no Democratic Senate victory since 1970, anchors trader consensus around a Republican winner at 96.5%. The open seat left by retiring incumbent Cynthia Lummis drew a competitive August 18 primary where U.S. Representative Harriet Hageman secured the nomination with 65% and endorsements from President Trump, Lummis, and Senator John Barrasso, while Democrat James Byrd advanced easily but from a small primary electorate. All major forecasters rate the November 3 contest solid or safe Republican. A Democratic upset would require an unforeseen scandal, nominee withdrawal, or dramatic national realignment capable of overcoming the state's structural barriers.
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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