顶底大于前期顶底

N:=5;
A1:=REF(C,N)=HHV(C,2*N+1); B1:=FILTER(A1,N); C1:=BACKSET(B1,N+1); HD:=FILTER(C1,N);
A2:=REF(C,N)=LLV(C,2*N+1); B2:=FILTER(A2,N); C2:=BACKSET(B2,N+1); LD:=FILTER(C2,N);
A:=REF(C,BARSLAST(HD));
Z:=REF(L,BARSLAST(LD));
T1:=BARSLAST(HD)<BARSLAST(LD) AND NOT(HD) ;
T2:=BARSLAST(HD)>BARSLAST(LD) AND NOT(LD);
顶:MA(IF(T1,A,A),1),COLORRED,LINETHICK1;
底:MA(IF(T2,Z,Z),1),COLORWHITE,LINETHICK1;