David Harbour leads trader sentiment for the Emmys Outstanding Supporting Actor in a Limited or Anthology Series or Movie category, driven by his acclaimed turn in the HBO dark comedy “DTF St. Louis,” which earned 13 nominations and strong critical reception. The show’s multiple acting nods, Harbour’s Gotham Award win, and positive industry narrative around his performance have solidified his frontrunner status at 66.7% implied probability. Charles Melton’s work in “Beef” positions him as the clearest challenger at 24.4%, supported by the series’ ongoing momentum, while smaller shares for Richard Gadd, Nick Offerman, and co-stars like Jason Bateman and Richard Jenkins reflect more limited precursor traction. The upcoming Emmys ceremony remains the key resolution catalyst, with guild and critics’ awards likely to shape final momentum shifts.