股市生命线，副图和选股未来函数

F:=100*(C-REF(C,1))/REF(C,1);

今小昨:=IF(C<REF(O,1) AND F<0,1,0);

S1:=今小昨;

今小前:=IF(C<REF(O,2) AND F<0,1,0);

S2:=今小前;

A1:=S1=0 AND REF(S1,1)=1 AND S2=0 AND REF(S2,1)=1 AND CROSS(ZIG(3,3) ,REF(ZIG(3 ,3),1));

A2:=S1=0 AND REF(S1,1)=1 AND S2=0 AND REF(S2,1)=1 AND CROSS(ZIG(3,5) ,REF(ZIG(3 ,5),1));

A3:=S1=0 AND REF(S1,1)=1 AND S2=0 AND REF(S2,1)=1 AND CROSS(ZIG(3,10) ,REF(ZIG(3 ,10),1));

A1 AND A2 AND A3,VOLSTICK; {选股要请删VOLSTICK即可}