发个好指标

副图：JC:=CROSS(KDJ.K,KDJ.D);X1:=JC AND C/REF(LLV(L,10),1)<0.98 AND C!=L AND KDJ.J<20;X2:=JC AND C=LLV(C,20) AND C!=L AND KDJ.J<20 AND C<REF(L,1);XG:=X1 OR X2 AND C>5;STICKLINE(XG,0,10,1,0),COLORRED;DRAWTEXT(XG,9,有效金叉);选股及预警：JC:=CROSS(KDJ.K,KDJ.D);X1:=JC AND C/REF(LLV(L,10),1)<0.98 AND C!=L AND KDJ.J<20;X2:=JC AND C=LLV(C,20) AND C!=L AND KDJ.J<20 AND C<REF(L,1);XG:X1 OR X2 AND C>5;