DIFF:EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA),COLORSTICK;
JC:=CROSS(DIFF,DEA);
SC:=CROSSDOWN(DIFF,DEA);
N1:=BARSLAST(JC)+1;
N2:=BARSLAST(SC)+1;
MHD:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(DIFF,N1));//上次MACD红柱期间DIFF最大值
MHD2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(MHD,1));//上上次MACD红柱期间DIFF最大值
MLD:=VALUEWHEN(CROSS(DIFF,DEA),LLV(DIFF,N2));
MLD2:=VALUEWHEN(CROSS(DIFF,DEA),REF(MLD,1));
A1:=SC&&REF(N1,1)>5&&REF(N1,N1)>5;
A2:=JC&&REF(N2,1)>5&&REF(N2,N2)>5;
DRAWLINE3(A1&&MHD2>MHD,MHD2,REF(HHVBARS(DIFF,N1),N1)+N1,A1&&MHD2>MHD,MHD,HHVBARS(DIFF,N1),0);
DRAWLINE3(A2&&MLD2<MLD,MLD2,REF(LLVBARS(DIFF,N2),N2)+N2,A2&&MLD2<MLD,MLD,LLVBARS(DIFF,N2),0);
Q:=BACKSET(A1&&MHD2>MHD,HHVBARS(DIFF,N1)+1);
QQ:=BACKSET(A2&&MLD2<MLD,LLVBARS(DIFF,N2)+1);
DRAWTEXT(CROSS(Q,0.5),DIFF,'顶背离');
DRAWTEXT(CROSS(QQ,0.5),DIFF,'底背离');
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