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Guess you are saying that I can not control via afl code and have to do some kind of external thinge. Hi Fred, hope you are doing well. Two word reply. Short and sweet.
--- In amibroker@xxxxxxxxxxxxxxx, Fred Tonetti <ftonetti@xxx> wrote:
>
> External control
>
>
>
> _____
>
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
> Of bistrader
> Sent: Friday, March 12, 2010 3:17 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] INDIVIDUAL BACKTEST CODE QUESTION
>
>
>
>
>
> I run individual basktests on a watchlist, but do not want to get stats for
> tickers with history that do NOT go back to AA selected start date.
>
> I placed following in afl, thinking that it would force no trades or null
> for short history tickers in my watchlist. It does cause close to go to null
> in exploration, but backtest is unchanged.
>
> StartDate = BeginValue(BarIndex());
> //EndDate = EndValue(BarIndex());
> Range_Start = Status("rangefromdate");
> Symbol_Start = ValueWhen( BarIndex() == StartDate, datenum(), 1);
> diff = Range_Start - Symbol_Start;
> Close = IIf(diff < 0, Null, Close);
>
> Can you think coding afl method to get individual backtest results on a
> watchlist so that tickers with short history (i.e., no going all the way to
> AA range start date) are either null or infinity or otherwise identified?
>
> Thanks
>
> Bert
>
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