为朋友们提供一个看盘参考的副图，个股与大盘“KDJ”中的J线对比。
大盘线，需下载全日线数据。
 

DRAWBAND(20,RGB(65,20,28),10,RGB(65,80,68));
DRAWBAND(90,RGB(25,60,28),80,RGB(20,100,50));
K30:SMA(((CLOSE-LLV(LOW,30))/(HHV(HIGH,30)-LLV(LOW,30))*100),3,1),NODRAW; 
STICKLINE(K30>=50,50,K30,3,0),COLOR000080;
STICKLINE(K30>=50,50,K30,2,0),COLOR0000A6;
STICKLINE(K30>=50,50,K30,1,0),COLOR0000CE;
STICKLINE(K30>=50,50,K30,0,0),COLOR0000FF;
STICKLINE(K30<50,50,K30,3,0),COLOR800000;
STICKLINE(K30<50,50,K30,2,0),COLORB00000;
STICKLINE(K30<50,50,K30,1,0),COLORD50000;
STICKLINE(K30<50,50,K30,0,0),COLORFF0000;
K250:SMA(((CLOSE-LLV(LOW,250))/(HHV(HIGH,250)-LLV(LOW,250))*100),3,1),COLORRED;
大盘:SMA(((INDEXC-LLV(INDEXL,30))/(HHV(INDEXH,30)-LLV(INDEXL,30))*100),3,1),COLORGRAY;
涨家数:INDEXADV,COLOR0000EE,NODRAW;
跌家数:INDEXDEC,COLOR00EE00,NODRAW;