i know of a friend that did beginners plyo and his standing vert went up from 22 to 26 in the program. i've completed just 2 weeks in intermediate plyo and my standing vert has gone up from 27' to 29'.

__________________
Initial Vert stats/results of phase 1/goals for phase 2:
Running off 1 leg: 24.5' / 27.5' / 30.5'
Standing: 27' / 28.5' / 31.5'
Running off 2 leg: 31.5' / 31.5' / 34.5'