In the low-competition 2026 Arkansas U.S. Senate race between incumbent Republican Tom Cotton and Democrat Hallie Shoffner, trader expectations for total votes cast cluster tightly around 825,000–975,000 because historical midterm participation rates in the state have varied with national conditions, early voting trends, and base mobilization. Arkansas's strong Republican lean and limited Democratic resources point to a turnout gap favoring GOP voters, similar to primary patterns where Republicans cast over twice as many ballots. Recent polling showing Cotton's consistent lead has tempered Democratic enthusiasm while keeping Republican participation steady, with no major late catalysts like high-profile ballot measures or scandals yet emerging to shift overall participation. Get-out-the-vote efforts, weather on November 3, and any spillover from concurrent statewide races remain key variables that could separate the leading bins before election day.