Interesting comparison today.
GGPO v's VIL % gain wise. GGPO was a mile in front(I ignore what is happening with VILO as there seemed to some madness ruling there today.) LOL
GGPO traded 3c less than the heads all day and I expect this to continue. On a good announcement if GGP goes to 10c I expect GGPO to be around 7c.
Interesting........heads double.......oppies treble.