上轨:=SMA(HIGH,21,2)*1.05,COLORGREEN;
下轨:=0.8* SMA(LOW,21,2)*0.95,COLORYELLOW;
中轨:=0.8* SMA(LOW,5,1),COLORFF00FF;
趋势:=0.8* SMA(CLOSE,2,1),COLOR00FF00;
波段买入:IF(CROSS(趋势,中轨),上轨*1.03,中轨)*0.87,COLORYELLOW;
领头羊:=IF(CROSS(趋势,上轨),上轨*1.10,下轨)*0.8,COLORDDDDDD;
DT:LLV(波段买入,3),COLOR00BB00
