SV:=(BIGORDER(1,2)-BIGORDER(2,2))*100/(capital/vol);
sv2:=sum(SV,2);
ssv2:=ref(sv,1);
sv3:=sum(SV,3);
ssv3:=ref(sv,2);
sv4:=sum(SV,4);
sv5:=sum(SV,5);
ya:="ddy.ddy";
lya:=ya>0.2 ;
za:="ddz.ddz";
lza:=za>20 and za>ref(za,1) ;
sa1:="shbo.b1";
sa2:="shbo.s1";
lsa:=sa1>sa2;
a1:=sv>0.4 and lya>0.5 and lza;
a2:=sv2>1.0 and ssv2>0.6 and sv>0.2 and lya>0.2 and lza;
a3:sv3>1.5 and ssv2>0.1 and ssv3>0.1 and sv>0.2 and lya>0.2 and lza;
A:a1 or a2 or a3;
b:c/ref(c,1)<1.09;
cc:a and b;