通达信看大小盘强弱的指标：指数KDJ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;
 SH:"999999$KDJ.K";
 SZ:"399001$KDJ.K";
 ZXB:"399005$KDJ.K";
 CYB:"399006$KDJ.K";