VAR1:=LLV(LOW,100);VAR2:=HHV(HIGH,250);VAR3:=2401.26001*500;VAR4:=IF(1<VAR3,1,DRAWNULL);绝底:=0.3;操盘线:=EMA((CLOSE-VAR1)/(VAR2-VAR1)*4,4)*VAR4;选股:CROSS(操盘线,绝底);