Montana’s open U.S. Senate race features Republican Kurt Alme holding a consistent double-digit lead in recent polling amid a split opposition field of Democrat Alani Bankhead and independent Seth Bodnar. This dynamic has reduced the contest’s competitiveness, limiting the mobilization of swing and low-propensity voters that typically boosts general-election participation. Primary turnout reached 37.9 percent of registered voters, above historical averages, yet the Solid Republican rating and absence of high-profile national stakes point to more moderate general-election engagement on November 3. Traders have therefore clustered probabilities on the 500K–550K range, consistent with Montana’s midterm participation patterns in less contested statewide contests.