[amibroker] Re: Help in AFL

["johsun" <joh.sun@xxxxxxxx>]

Bernard,

Two things,

1. The code will give an error if you don't initialize nb. I assume 
you're doing that outside the loop so it doesn't get reset to zero 
on each iteration...

2. Is watchlist 0 populated?

This works on my computer:


nb = 0;
Liste = CategoryGetSymbols( categoryWatchlist, 0 );
for( i = 0; ( Sym = StrExtract( Liste, i ) ) != ""; i++ )
{
f = Foreign( Sym, "C" );
MMA = MA(f, 20);
nb = nb + (f> MMA);
}

Johan


--- In amibroker@xxxxxxxxxxxxxxx, Bernard Bourée <bernard@xxxx> 
wrote:
> I want to build an operator calculated as being the number of 
stocks in 
> a given WatchList having their Close higher than their MA on 20 
days
> My code always return nb=0
> 
> Liste = CategoryGetSymbols( categoryWatchlist, 0 );
>     for( i = 0; ( Sym = StrExtract( Liste, i ) ) != ""; i++ )
>    {
>           f = Foreign( Sym, "C" );
>          MMA = MA(f, 20);
>         nb = nb + (f> MMA);
>      }
> 
> Thanks for your help
> 
> -- 
> Bernard Bourée
> bernard@xxxx




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