《比翼双飞》副图指标主要分别通过彩带、单色线及下部的图形来显示日、周KDJ指标的金叉和死叉情况，并分别在上部提示出他们的K线拐头转向状况，更好地提供进场、持股、减仓、出场的有力时机。
源码：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:SMA(RSV,3,1);
D:SMA(K,3,1);
J:=3*K-2*D;
DRAWBAND(K,RGB(240,0,0),D,RGB(240,0,240));
日KD金叉: K>=D POINTDOT;
日K拐点:K>=REF(K,1) POINTDOT;
STICKLINE(K>=REF(K,1) ,112,125,2,1),COLORFF00FF;
STICKLINE(K>=D ,5,-8,2,1),COLORRED;
周K:MA("KDJ.K#WEEK"(9,3,3) ,5),COLOR00FFFF,LINETHICK2;
周D:=MA("KDJ.D#WEEK"(9,3,3) ,5);
周J:=MA("KDJ.J#WEEK"(9,3,3) ,5);
周KD金叉:周K>= 周D POINTDOT;
周K拐点:周K>=REF(周K,1) POINTDOT;
IF(周K>=REF(周K,1) ,140,128),COLOR00FFFF;
DRAWICON(周K>=REF(周K,1),134,1);
DRAWICON(周K<REF(周K,1),136,2);
STICKLINE(C>0 ,-18,-10,4,0),COLOR6CAAFD;
STICKLINE(周K>=周D,-18,-10,4,0),COLORRED;
DRAWTEXT(CURRBARSCOUNT=115,124,'日K拐点'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=115,138,'周K拐点'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=115,4,'日KD叉'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=115,-10,'周KD叉'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=5,周K,'周K线'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=5,K,'日K线'),COLORFFFFFF;
附图：