Montana's open U.S. Senate seat favors Republican nominee Kurt Alme at 89% trader consensus, driven by the state's consistent Republican performance in federal contests and swift party consolidation after incumbent Steve Daines withdrew in March 2026 and endorsed Alme, who secured the nomination with former President Trump's backing following the June primaries. Independent candidate Seth Bodnar, backed by former Democratic Senator Jon Tester, draws measurable support and fragments opposition votes, keeping his implied probability near 10.5% in recent July polling. Democratic nominee Alani Bankhead trails significantly at 1.4%, with limited movement observed since the primaries as the race heads toward the November general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedRepublican 89%
Independent 10.5%
Democrat 1.4%
$105,009 Vol.
$105,009 Vol.

Republican
89%

Independent
11%

Democrat
1%
Republican 89%
Independent 10.5%
Democrat 1.4%
$105,009 Vol.
$105,009 Vol.

Republican
89%

Independent
11%

Democrat
1%
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, 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...Montana's open U.S. Senate seat favors Republican nominee Kurt Alme at 89% trader consensus, driven by the state's consistent Republican performance in federal contests and swift party consolidation after incumbent Steve Daines withdrew in March 2026 and endorsed Alme, who secured the nomination with former President Trump's backing following the June primaries. Independent candidate Seth Bodnar, backed by former Democratic Senator Jon Tester, draws measurable support and fragments opposition votes, keeping his implied probability near 10.5% in recent July polling. Democratic nominee Alani Bankhead trails significantly at 1.4%, with limited movement observed since the primaries as the race heads toward the November general election.
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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