Var2:=VOL*CLOSE;
Var3:=EMA(Var2,13)/EMA(VOL,13);
Var4:(EMA(CLOSE,5)-Var3)/Var3*100;
Var5:EMA(Var4,5);
ENTER: CROSS(Var4,Var5) AND Var5<-5.8 ;
EXIT: CROSS(Var5,Var4) AND Var5>4.8;