AA:=(2*CLOSE+HIGH+LOW)/4-LLV(LOW,34);
AA1:=(HHV(HIGH,34)-LLV(LOW,34))*100;
AA2:=EMA(AA/AA1,13);
AA3:=EMA(0.667*REF(AA2,1)+0.333*AA2,2) ;
AA4:=REF(C>O,1) AND REF(C1.03;
AA5:=AA2<20 AND C>O AND MA(C,5)>REF(MA(C,5),1) ;
AA6:= REF(KDJ.J,1) 波段拐点:CROSS(AA2,AA3) AND AA4 AND AA5 AND AA6,LINETHICK3,COLORYELLOW;