通达信自用KDJ预警公式

RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:=3*K-2*D;
YJ:CROSS(J,K) AND CROSS(J,D);