I've been compiling some numbers since shinies were added, here's what I have so far:
4 out of 711 Bronzes: 0.56%
5 out of 350 Silvers: 1.76%
1 out of 177 Golds: 0.56%
0 out of 41 Diamonds
(note: some close approximate values added in)
Something seems funky with the gold odds, since they're...