[amibroker] ZIg on intraday strange problem

["Luigi" <mummariello@xxxxxxxx>]

Hello i'm Luigi D'Ambra Amibroker user.

I found this problem with Zig function, look at this simple formula:

istanteiniziale = BeginValue( BarIndex());
istantefinale = EndValue( BarIndex());
Closeiniziale = BeginValue (C);
Closefinale = EndValue(C);


dentro = BarIndex() >= istanteiniziale AND BarIndex() <= 
istantefinale;


z = Zig(IIf(dentro,C,Null),Param("zig",0.25,0.05,1.5,0.05));

Plot(C,"",3,64);
Plot(z,"",42,1);


i use this on intraday data and would obtain evaluating Zig only 
between 2 time value.
I'm not able to understand where it's wrong.
Hope someone can give me help.
Thank you




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