AA2:=EMA(AA1,9);
AA3:=((HHV(高,21)-收盤)/(HHV(高,21)-LLV(低,21))*(100)-10;
AA4:=((CLOSE-LLV(低,21))/(HHV(高,21)-LLV(低,21))*(100);
AA5:=SMA(AA4,13,8);
走勢:天花板(SMA (AA5,13,8))< 50;