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TYP := (HIGH + LOW + CLOSE)/3;
V1:=SUM(IF(TYP>REF(TYP,1),TYP*VOL,0),N1)/SUM(IF(TYP<REF(TYP,1),TYP*VOL,0),N1);
MFI:100-(100/(1+V1));
N:=5;
J底背:=REF(C,BARSLAST(REF(FILTER(BACKSET(REF(MFI,N)=LLV(MFI,2*N+1),N+1),N) AND MFI=LLV(MFI,N+1),1))+1)>C AND
REF(MFI,BARSLAST(REF(FILTER(BACKSET(REF(MFI,N)=LLV(MFI,2*N+1),N+1),N) AND MFI=LLV(MFI,N+1),1))+1)<MFI AND
FILTER(BACKSET(REF(MFI,N)=LLV(MFI,2*N+1),N+1),N) AND MFI=LLV(MFI,N+1),COLORWHITE,NODRAW;
DRAWLINE(FILTER(BACKSET(REF(MFI,N)=LLV(MFI,2*N+1),N+1),N) AND MFI=LLV(MFI,N+1),MFI,FILTER(J底背>0,5),MFI,0),
COLORRED,DOTLINE;
DRAWTEXT(J底背,MFI,'底背离'),COLORRED;
J顶背:=REF(C,BARSLAST(REF(FILTER(BACKSET(REF(MFI,N)=HHV(MFI,2*N+1),N+1),N) AND MFI=HHV(MFI,N+1),1))+1)<C AND
REF(MFI,BARSLAST(REF(FILTER(BACKSET(REF(MFI,N)=HHV(MFI,2*N+1),N+1),N) AND MFI=HHV(MFI,N+1),1))+1)>MFI AND
FILTER(BACKSET(REF(MFI,N)=HHV(MFI,2*N+1),N+1),N) AND MFI=HHV(MFI,N+1),COLORGREEN,NODRAW;
DRAWLINE(FILTER(BACKSET(REF(MFI,N)=HHV(MFI,2*N+1),N+1),N) AND MFI=HHV(MFI,N+1),MFI,FILTER(J顶背>0,5),MFI,0),
COLORGREEN,DOTLINE;
DRAWTEXT(J顶背,MFI,'顶背离'),COLORGREEN;
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