副图：
相对强度:100*CLOSE/INDEXC;
另外一个是大盘K线的副图指标公式：
a1:="H000001$close";
大盘指数:a1,pointdot,linethick0;
a2:="H000001$open";
a3:="H000001$high";
a4:="H000001$low";
高:a3,pointdot;
低:a4,pointdot;
开:a2,pointdot;
aa:stickline(a1>a2,a1,a2,5,1),colorred;
ab:stickline(a1>a2,a3,max(a1,a2),0,1),colorred;
ac:stickline(a1>a2,min(a1,a2),a4,0,1),colorred;
ag:stickline(a1