Not sure if this helps, it is for scaling in by month:
Example 2: dollar−cost averaging
(simplified formula because AB treats first sigScaleIn as buy anyway)
FixedDollarAmount = 500;
MonthBegin = Month() != Ref( Month(), −1 );
FirstPurchase = Cum( MonthBegin ) == 1;
Buy = IIf( MonthBegin, sigScaleIn, 0 ); // each month increase position
Sell = 0; // we do not sell
PositionSize = FixedDollarAmount;

page: 172 of the users guide; just read it in the last week...

--- In [email protected], "readshark" <readsh...@...> wrote:
>
> I am looking to add some code to one of my trading systems to limit the 
> number of trades to x amount per week.
> 
> I found a code that here that would limit the trades to one per day.  Any 
> idea how I alter this to only get one trade on a longer time frame, 
> preferably a week?
> 
> Thank you in advance.
> 
> Here is the link and the code I found. -> 
> http://www.mail-archive.com/[email protected]/msg23006.html
> 
> for (i = 0; i < BarCount; i++)
> {
>     if (newDay[i])
>         hadTradeToday = False;
>     for (sig = bo.GetFirstSignal(i); sig; sig = bo.GetNextSignal(i))
>     {
>         if (sig.IsEntry() && sig.IsLong())
>         {
>             if (hadTradeToday)
>                 sig.PosSize = 0;
>             else
>                 hadTradeToday = True;
>         }
>     }
>     bo.ProcessTradeSignals(i);
> }
>


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