Wyoming's entrenched Republican electoral dominance, reflected in consistent double-digit margins and nonpartisan ratings of Safe or Solid Republican, underpins the 96.2% trader consensus for a GOP Senate winner in 2026. Incumbent Cynthia Lummis opted not to seek reelection, opening the seat, yet the Republican primary features U.S. Representative Harriet Hageman as the clear frontrunner with endorsements from former President Trump, Lummis, and Senator John Barrasso ahead of the August 18 contest. Democratic contenders remain limited and underfunded. A Republican primary upset producing a weaker nominee or an unforeseen late-cycle scandal could theoretically narrow the gap, though both remain low-probability events given the state's partisan baseline and early indicators.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$16,713 Vol.
$16,713 Vol.

Republican
96%

Democrat
2%
$16,713 Vol.
$16,713 Vol.

Republican
96%

Democrat
2%
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 electoral dominance, reflected in consistent double-digit margins and nonpartisan ratings of Safe or Solid Republican, underpins the 96.2% trader consensus for a GOP Senate winner in 2026. Incumbent Cynthia Lummis opted not to seek reelection, opening the seat, yet the Republican primary features U.S. Representative Harriet Hageman as the clear frontrunner with endorsements from former President Trump, Lummis, and Senator John Barrasso ahead of the August 18 contest. Democratic contenders remain limited and underfunded. A Republican primary upset producing a weaker nominee or an unforeseen late-cycle scandal could theoretically narrow the gap, though both remain low-probability events given the state's partisan baseline and early indicators.
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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