20根K线的高低点问题　[文华财经]

 来源:程序化99

参考：

L1:IF(CROSS(H,HV(H,20)),LV(L,20),NULL),NODRAW;
H1:IF(CROSSDOWN(L,LV(L,20)),HV(H,20),NULL),NODRAW;

 来源: WWW.CXH99.COM

您是要显示画线？参考：

N1:=BARSLAST(CROSS(H,HV(H,20)))+1;
N2:=BARSLAST(CROSSDOWN(L,LV(L,20)))+1;
IF(N1<N2,VALUEWHEN(N1=1,LV(L,20)),VALUEWHEN(N2=1,HV(H,20)));