At the moment the odds are as follows:

1.26 - 3.25

Usyk is the obvious favorite, but I don't even know if the 26% risk is worth it? The only thing that confuses me is the huge age difference (or rather, Usyk's proximity to the age where strength decreases exponentially).Betting on Dubois doesn't look attractive either, his only chance is a lucky punch or that for some reason Usyk won't be physically ready. The basic scenario of this fight is that Usyk will outclass him again.