公式源码：

买线:=EMA(C,2);
卖线:=EMA(SLOPE(C,21)*20+C,42);
BU:=CROSS(买线,卖线);
SEL:=CROSS(卖线,买线);
DRAWICON(BU,L-0.1,1);
DRAWICON(SEL,H+0.1,2);
STICKLINE(买线>=卖线,LOW,HIGH,0.0,1),COLORRED;
STICKLINE(买线>=卖线,CLOSE,OPEN,2,1),COLORRED;
STICKLINE(买线<卖线,LOW,HIGH,0.0,1),COLORGREEN;
STICKLINE(买线<卖线,CLOSE,OPEN,2,1),COLORGREEN;
散户:EMA(CLOSE,5),COLORWHITE;
操盘:MA(CLOSE,9),COLORCYAN,LINETHICK2;
界点:MA(CLOSE,20),COLORMAGENTA;
LC:=REF(CLOSE,1);
RSI:=((SMA(MAX((CLOSE - LC),0),3,1) / SMA(ABS((CLOSE - LC)),3,1)) * 100);
FF:=EMA(CLOSE,3);
MA15:=EMA(CLOSE,21);
日:=150;昨前:=3;
高1:=REF(HHV(H,日),昨前);
低1:=REF(LLV(L,日),昨前);
H1:=高1-(高1-低1)*0.191;
H2:=高1-(高1-低1)*0.382;
H3:=高1-(高1-低1)*0.5;
H4:=高1-(高1-低1)*0.618;
H5:=高1-(高1-低1)*0.809;
顶:REFDATE(高1,DATE),COLORRED;
一0.809:REFDATE(H1,DATE),COLORYELLOW;
二0.618:REFDATE(H2,DATE),COLORMAGENTA;
三0.500:REFDATE(H3,DATE),COLORWHITE;
四0.382:REFDATE(H4,DATE),COLORGREEN;
五0.191:REFDATE(H5,DATE),COLORYELLOW;
低:REFDATE(低1,DATE),COLORRED;

DRAWICON(CMA(C,10) AND REF(C,1)1.03 AND V/CAPITAL>0.03,L*0.97,9);
 

选股公式：

买线:=EMA(C,2);
卖线:=EMA(SLOPE(C,21)*20+C,42); 
BU:CROSS(买线,卖线);

注：属于经典的好公式，适合初学者和上班族，红色箭头最好在上升通道中出现，还可依据五日线为短线持股。公式如有错误可参阅：

http://shanjj6292032.blog.hexun.com/95297115_d.html