N1:=2;
N2:=5;
N3:=2;
RSV:=(CLOSE-LLV(LOW,N1))/(HHV(HIGH,N1)-LLV(LOW,N1))*100;
K:=SMA(RSV,N2,1);
D:=SMA(K,N3,1);
J:=2*K-1*D;
CROSS(J,K);

 

通达信超短线选股指标公式