通达信股票大波段买卖点副图指标 适合强势股，大波段买卖点位把握
源码
BU:=CROSS(HIGH,SAR(3,1,20)); SEL:=CROSS(SAR(3,1,20),LOW); DRAWTEXT(BU,LOW,'买入'),COLORYELLOW,LINETHICK2; DRAWTEXT(SEL,1.01*HIGH,'抛出'),COLORGREEN,LINETHICK2;
