MFI资金流，是相对强弱指标（RSI）和人气指标（OBV）两者的结合

TYP:= (HIGH + LOW + CLOSE)/3;

V1:=SUM(IF(TYP>REF(TYP,1),TYP*VOL,0),N)/SUM(IF(TYP<REF(TYP,1),TYP*VOL,0),N);

MFI:100-(100/(1+V1));

MAMFI:MA(MFI,M);

B1:=MFI;

B2:=COUNT(MFI>80,2)=2;

//DRAWTEXT(B2,B1-2,'见顶');

//DRAWTEXT(B1<10,B1,'极限买点'),colorblue;

//DRAWTEXT(B1>90,B1-2,'极限卖点'),coloryellow;

B5:=BARSLAST(REF(B1<20,1));

B6:=REF(C,B5+1)>LLV( L,3 ) AND REF(B1,B2+1)<B1 AND B1<M1;

B3:=B1>80 AND B1<REF(B1,1) AND C>REF(C,1);

B4:=B1<20 AND B1>REF(B1,1) AND C<REF(C,1);

DRAWTEXT(B3,B1-2,'顶背离'),colorgreen;

DRAWTEXT(B6 AND FILTER(B6>0,3),B1*1.25,'底背离'),colorred;

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;

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>0,3),MFI,0);

//M底:=J底背 OR B6;

DRAWTEXT(J底背,MFI,'底背离'),colorblue;

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;

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>0,3),MFI,0);

//M顶:=J顶背 OR B3;

DRAWTEXT(J顶背,MFI,'顶背离'),coloryellow;

顶:80;

中:50;

底:20;