学会这个方法，抓10倍大牛股的概率提升10倍>>

四十:STD(C,40)/MA(C,40)*100;

八十:STD(C,80)/MA(C,80)*100;

百二十:STD(C,120)/MA(C,120)*100;

百八十:STD(C,180)/MA(C,180)*100;

PLOYLINE(C>0,3),DOTLINE,colorgreen;

PLOYLINE(C>0,4),DOTLINE,coloryellow;

PLOYLINE(C>0,5),DOTLINE,colorred;