学会这个方法，抓10倍大牛股的概率提升10倍>>

AA17:=EMA(C,14),colorwhite,LINETHICK1;

A17X:=(AA17-REF(AA17,1))/REF(AA17,1)*100,NODRAW;

放心买:IF(A17X>=0,REF(EMA(C,14),BARSLAST(CROSS(A17X,0))+1),DRAWNULL),coloryellow,LINETHICK1,DOTLINE;

DRAWTEXT(ISLASTBAR,放心买,'--放心买'),coloryellow,LINETHICK1;