A7:=(2*C+H+L)/4;
Var1:=LLV(a7,21);
Var2:=HHV(a7,21);
SK:=EMA((A7-Var1)/(Var2-Var1)*100,7);
SD:=EMA(0.667*REF(SK,1)+0.333*SK,5);
买进2:count(close6/10 and vol>=1.5*ma(VOL,5) and count(sk>=sd,3) and ref(low,1)=LLV(Low,120);
A7:=(2*C+H+L)/4;
Var1:=LLV(a7,21);
Var2:=HHV(a7,21);
SK:=EMA((A7-Var1)/(Var2-Var1)*100,7);
SD:=EMA(0.667*REF(SK,1)+0.333*SK,5);
买进2:count(close6/10 and vol>=1.5*ma(VOL,5) and count(sk>=sd,3) and ref(low,1)=LLV(Low,120);