大智慧金融交易终端中源代码，准确性更高，不同于以往。

{CPX}
 bu:=cross(high,SAR(3,1,20));
 sel:=cross(SAR(3,1,20),low);
 var1:=last(high<SAR(3,1,20));
 var2:=last(low>sar(3,1,20));
 drawflagtext(bu,high,'买入');
drawflagtext(sel,low,'卖出');
drawtext(bu,LOW,'B'),valign0,align1,coloryellow,linethick2;
 drawtext(sel,HIGH,'S'),valign2,align1,colorgreen,linethick2;
 STICKLINE(low>SAR(3,1,20) and isdown,high,open,0.5,1),colorred;
 STICKLINE(low>SAR(3,1,20) and isdown,close,open,7.5,1),colorred;
 STICKLINE(low>SAR(3,1,20) and isdown,close,low,0.5,1),colorred;
 STICKLINE(high<SAR(3,1,20) and isup,high,close,0.5,1),colorcyan;
 STICKLINE(high<SAR(3,1,20) and isup,close,open,7.5,1),colorcyan;
 STICKLINE(high<SAR(3,1,20) and isup,open,low,0.5,1),colorcyan;
 drawflagtext(high<SAR(3,1,20) and high>=ref(high,1),high,'明日突破'+forcast(sar(3,1,20),max(var1,2))+'建议关注');
drawflagtext(high<SAR(3,1,20) and high<ref(high,1),high,'持币观望');
drawflagtext(low>SAR(3,1,20) and low<=ref(low,1),low,'明日跌破'+forcast(sar(3,1,20),max(var2,2))+'注意止盈');
 drawflagtext(low>SAR(3,1,20) and low>ref(low,1),low,'继续持股');