Any one can explain to me what is Adsense Smart pricing ...
from last few month, i make around 20-30 daily from 3 site (5k UV make 8-15, 1.5kuv make 6-10, 1kuv make 5-10 daily). March avr CPM is 1.25

But today something change, ALL my site making good profit, min payout per click around 0.50 .... is just 7 hour pass i make 60 dollar today and no fraud click (click behavior normal) ....
Today CPM is 8.00..

Can some one explain to me, i want to keep this payout

My site niche :
Humor Site.
Property Site.
Automotive site.
Financial Site.