通达信不实用咱不发（追涨+买底)源码附图

周J1:MA( KDJ.J#WEEK (9,3,3) ,5);
20,COLORRED;
80,COLORGREEN;
DRAWTEXT(CROSS(周J1,20),22,'抄底'),COLORFF33FF;
DRAWTEXT(CROSS(周J1,80),82,'追涨'),COLORYELLOW;