N1:BARSLAST(DATE<>REF(DATE,1))+1,NODRAW;
HZ:=REF(HHVBARS(H,N1),N1);//昨日最高价
LZ:=REF(LLVBARS(L,N1),N1);//昨日最低价
A:BACKSET(ISLASTBAR,DAYBARPOS),NODRAW;
X:BACKSET(A&&N1=1,HZ+2),NODRAW;
Y:BACKSET(A&&N1=1,LZ+2),NODRAW;
VERTLINE(CROSS(X,0.5),COLORRED);
VERTLINE(CROSS(Y,0.5),COLORGREEN);