SK: EMA((Var1-Var2)/(Var3-Var2)*100,13), linethick2; DRAWTEXTABS(5,5,'股票软件下载网 www.9m8.cn 九毛八公式指标网'),linethick1,COLOR00EEff; SD: EMA(SK,3), linethick2; 低吸: 20, POINTDOT; 强弱分界: 50, POINTDOT; Var4:=IF(CROSS(SK,SD),40,22); Var5:=IF(CROSS(SD,SK),60,78); 卖出: Var5; 买进: Var4,coloryellow;