Barry Moore holds a commanding lead in the Alabama Republican Senate primary, driven by Donald Trump's endorsement and a substantial fundraising and advertising advantage over rivals. Recent polling from early May shows Moore ahead with around 23% support among likely GOP voters, followed by Jared Hudson at 19% and Attorney General Steve Marshall at 14%, amid a large pool of undecided voters exceeding 40%. Hudson, a former Navy SEAL, has gained ground through grassroots efforts and name recognition in key media markets, while Marshall's earlier polling strength has faded. With the May 19 primary just days away and no candidate yet securing a majority, traders appear to view Moore's structural edges and institutional support as decisive factors in the outcome.