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Thanks.
In fact does not help.
Basically what I need is:
If positions open = 4 (max is 5)
then
ONLY buy if Rule1==1 AND rank ==1
Any hints?
Thanks again.
--- In amibroker@xxxxxxxxxxxxxxx, "j0etr4der" <j0etr4der@xxx> wrote:
>
> PositionScore uses the current bar by default. Which is looking forward. So...
>
> PositionScore = Ref( ROC( Close, 40 ), - 1 );
>
> You can confirm this for yourself by looking at the individual trades using the Detail Log report.
>
> Don't think this answers your question, but using the Detail Log report might help.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "nunopires2001" <nunopires2001@> wrote:
> >
> > Imagine this simple system:
> >
> > Rule: Stock's close is above MA(50)
> > If rule is fulfilled, send a limit order, 2% below yesterday close.
> >
> > AFL Code:
> > /*******************************************************************
> > //Stock above MA
> > Rule1=Ref(Close,-1)>MA(Ref(Close,-1),50);
> > //Stock drops 2%
> > Rule2=Iif(Low<0.98*Ref(Close,-1),1,0);
> >
> > Buy=Iif(Rule1==1 AND Rule2==1,1,0);
> > //Buyprice can be 2% below yesterday close, or even better.
> > BuyPrice=Iif(Open<0.98*Ref(Close,-1),Open,0.98*Ref(Close,-1));
> >
> > SetOption("MaxOpenPositions", 5 ); // no more than 5 positions
> > PositionScore=ROC(C,40);
> > /*******************************************************************
> >
> >
> > As you can imagine, this simple system will trigger lots of buy signals every day. Without PositionScoring, I guess Amibroker choose the stocks by alphabetically order?
> >
> > So, to solve this question, i thought in a simple ranking filter.
> > Lets say: PositionScore=ROC(C,40);
> >
> >
> > But, now there is my problem. If i apply PositionScore to the system above, system will be forward-looking.
> > The rank is applied to every stocks dropping 3%, and the ones with better rank are chosen.
> >
> > In real life, if I already have 4 open positions, only the stock with highest rank should be considered.
> >
> > Anyone can help?
> >
> > Probably my explanation wasn't clear, this isn't easy to explain. Ask me any questions, if that was the case.
> >
> > Many thanks!
> >
>
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