David Harbour leads trader sentiment in the Outstanding Supporting Actor in a Limited or Anthology Series or Movie category thanks to his acclaimed turn as Floyd Smernitch in the buzzy HBO dark comedy miniseries DTF St. Louis, which earned 13 total Emmy nominations. The show’s multiple nominees create vote-splitting risks among Harbour, Jason Bateman, and Richard Jenkins, but Harbour’s distinct episode submission and strong critical reception have positioned him as the clear frontrunner with market-implied odds near 69 percent. Charles Melton’s compelling work in Beef remains the primary threat at 26 percent, drawing on the series’ established prestige and audience engagement. Recent precursor buzz and industry narratives around Harbour’s creative risks have further solidified his momentum ahead of final voting.