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