自动标记昨日最高最低价主图指标分享 有未来函数

NN:=BARSLAST(DATE<>REF(DATE,1))+1;
HH:REF(HHV(H,NN),NN),NODRAW;
LL:REF(LLV(L,NN),NN),NODRAW;
CC:VALUEWHEN(NN=1,REF(C,1)),NODRAW;
OO:VALUEWHEN(NN=1,O),NODRAW;
N1:=BACKSET(ISLASTBAR,NN);
N2:=BARSLAST(CROSS(N1,0.5))+1;
SS:VALUEWHEN(N2>=1,SETTLE);
//今日均价线
DRAWSL(CROSS(N1,0.5),HH,0,1,2,COLORRED);
//昨日最高价
DRAWSL(CROSS(N1,0.5),LL,0,1,2,COLORGREEN);
//昨日最低价
DRAWSL(CROSS(N1,0.5),CC,0,1,2,COLORBLUE);
//昨日收盘价
DRAWSL(CROSS(N1,0.5),OO,0,1,2,COLORYELLOW);
//今日开盘价