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1. Yes
2. Assumedly one would treat larger positives as buys and larger
negatives as shorts ... So in the situation where you had a long
only system you might want to qualify PositionScore as being those
that are > 0 i.e.
PositionScore = IIf(Whatever > 0, Whatever, 0);
--- In amibroker@xxxxxxxxxxxxxxx, "tipequity" <l3456@xxx> wrote:
>
> Thanks, for the reply. Please read my question more carefully. I
> understand what positonscore is suppose to do. Lets assume that I
> want to use the value of a variable var1 as a tiebreaker to enter
> into trades, so I set PositionScore = var1;. var1 takes on values
> from -100 to 100. If I understand it clearly, positionscore uses
the
> absolute value of var1. Therefore, var1=-100 & var =100 have the
same
> absolute value as tiebreakers. So my question is twofolds:
>
> 1. Is the above explation true?
>
> 2. if so, what is the merit of positionscore using absolute value?
> specially when I can use postionscore = abs(var1).
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "vlanschot" <vlanschot@> wrote:
> >
> > Please read the manual more thoroughly:
> >
> > USING POSITION SCORE
> >
> > You can use new PositionScore variable to decide which trades
> should
> > be entered if there are more entry signals on different
securities
> > than maximum allowable number of open positions or available
funds.
> > In such case AmiBroker will use the absolute value of
PositionScore
> > variable to decide which trades are preferred.
> >
> > Clearly AB needs to know which trade you want to enter if your
> > signals exceed your MaxOpenPos. Therefore the above default
rule.
> Re
> > negative value, if this means in your trading rules that you
want
> to
> > go short, this will still happen. All AB does (internally) is
> decide
> > BEFOREHAND which signals it accepts / cuts off.
> >
> > PS
> > If you want to change this, you need to use the CBT.
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "tipequity" <l3456@> wrote:
> > >
> > > Am I understanding correctly that position score is the
ABSOLUTE
> > value
> > > of variable assigned to it? if so why the absolute value? what
> > should
> > > we do if the variable takes on negative variables? the
following
> is
> > a
> > > quote from AB manual.
> > >
> > > "all scores are sorted according to absolute value of
> > PositionScore."
> > >
> >
>
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