Incumbent Democratic Senator Jeff Merkley's dominant position in solidly blue Oregon, bolstered by over $6 million in cash on hand as of late 2025 and three prior victories including 56.9% in 2020, drives trader consensus implying a 92.5% probability of a Democratic win. Forecasters like Cook Political Report rate the race Solid Democratic, reflecting the state's Democratic supermajorities in the legislature and no Republican U.S. Senate victory since 2008. Recent filing deadlines on March 10 finalized a fragmented GOP primary field, including state Senator David Brock Smith but no high-profile contender with resources. Scenarios to shift odds include a surprise GOP nominee consolidating support post-May 19 primaries, a Merkley scandal, or national midterm turnout surges favoring Republicans.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
Démocrate
92%

Républicain
7%

Démocrate
92%

Républicain
7%
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.
Marché ouvert : Oct 13, 2025, 5:04 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...Incumbent Democratic Senator Jeff Merkley's dominant position in solidly blue Oregon, bolstered by over $6 million in cash on hand as of late 2025 and three prior victories including 56.9% in 2020, drives trader consensus implying a 92.5% probability of a Democratic win. Forecasters like Cook Political Report rate the race Solid Democratic, reflecting the state's Democratic supermajorities in the legislature and no Republican U.S. Senate victory since 2008. Recent filing deadlines on March 10 finalized a fragmented GOP primary field, including state Senator David Brock Smith but no high-profile contender with resources. Scenarios to shift odds include a surprise GOP nominee consolidating support post-May 19 primaries, a Merkley scandal, or national midterm turnout surges favoring Republicans.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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