KDJ多空短线（通达信公式 副图 源码 测试图）

N2:=7;RSV2:=(CLOSE-LLV(LOW,N2))/(HHV(HIGH,N2)-LLV(LOW,N2))*100;

K2:=SMA(RSV2,3,1);

D2:=SMA(K2,3,1);

J2:=3*K2-2*D2;

BB1:=EMA(J2,5);

BB2:=REF(BB1,1);

K:BB1,NODRAW;

D:BB2,NODRAW;

J:J2,COLORWHITE;

DRAWBAND(BB1,RGB(255,0,0),BB2,RGB(0,0,255));

100,DOTLINE;

50,DOTLINE;

0,DOTLINE;