前低

A1:=REF(H,N)=HHV(H,2*N+1); B1:=FILTER(A1,N); C1:=BACKSET(B1,N+1); D1:=FILTER(C1,N);

A2:=REF(L,N)=LLV(L,2*N+1); B2:=FILTER(A2,N); C2:=BACKSET(B2,N+1); D2:=FILTER(C2,N);

E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2; E2:=(H+L)/2;

H1:=(D1 AND NOT(D2 AND E1>=E2)) OR BARSTATUS OR BARSCOUNT(CLOSE)=1;

L1:=(D2 AND NOT(D1 AND E1<E2)); H2:=D1 AND NOT(D2 AND E1>=E2);

X1:=REF(BARSLAST(H1),1)+1; F1:=BACKSET(H1 AND COUNT(L1,X1)>0,LLVBARS(IF(L1,L,10000),X1));

G1:=F1>REF(F1,1); I1:=BACKSET(G1,2); LD:=I1>REF(I1,1);

L2:=LD OR BARSTATUS OR BARSCOUNT(CLOSE)=1;

X2:=REF(BARSLAST(L2),1)+1; F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,H,0),X2));

G2:=F2>REF(F2,1); I2:=BACKSET(G2,2); HD:=I2>REF(I2,1);

YY:=BACKSET(BARSTATUS,BARSLAST(LD)+1);

VV:=YY>REF(YY,1);

WW:=BACKSET(VV,REF(BARSLAST(LD),1)+2);

XX:=WW>REF(WW,1);

YY2:=BACKSET(BARSTATUS,BARSLAST(HD)+1);

VV2:=YY2>REF(YY2,1);

WW2:=BACKSET(VV2,REF(BARSLAST(HD),1)+2);

XX2:=WW2>REF(WW2,1);

近低:REF(L,BARSLAST(VV)) COLOR0000FF DOTLINE;

前低:REF(L,BARSLAST(XX)) COLOR0000FF DOTLINE;