V3:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100; 操盘线:=SMA(V3,2,1),COLORFF00FF,LINETHICK3; V5:=SMA(操盘线,2,1),COLORCYAN; 追买:IF(操盘线>REF(操盘线,1) AND crOSS(操盘线,V5) AND V5<50,8,0),COLORRED;