vol ref(VOL,1)and ref(vol,3) ref(vol,2)and ref(vol,2) ref(vol,1)and
close ref(close,1)and ref(close,3) ref(close,2)and ref(close,2) ref(close,1)
and close open and ref(vol,1)/capital 0.011 and vol/capital 0.1 and
count(ref(vol,1)/capital 0.16,20)=20;