KDJ优化指标（源码）

RSV:=(CLOSE-LLV(LOW,7))/(HHV(HIGH,7)-LLV(LOW,7))*100,LINETHICK2;
K:SMA(RSV,3,1),LINETHICK1;
D:SMA(K,3,1),LINETHICK1;
J:3*K-2*D,COLORFF00FF,LINETHICK1;
IF(J 0,J,DRAWNULL),COLORGREEN,LINETHICK2;
IF(K 90,K,DRAWNULL),COLOR0000FF,LINETHICK2;
IF(D 85,D,DRAWNULL),COLORFFFF11,LINETHICK2;
DRAWICON(CROSS(J,1),J,1);
DRAWICON(K 80 AND D 80 AND CROSS(D,K),D,2);