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How about this:
a1:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S, 2 );
roc(a1,6,%)
or
topa1:=BBandTop( CLOSE, 10, S, 2 );
roc(topa1,6,%);
or
bota1:=BBandBot( CLOSE, 10, S, 2 );
roc(bota1,6,%);
Hope this helps,
Preston
--- In equismetastock@xxxxxxxxxxxxxxx, Manset <manset01@xxxx> wrote:
>
>
> Hi Preston,
>
> The upper and lower bands.
>
> I realize that sometimes mathematics are too "precise". That's why
it is
> difficult to calculate bands flatness (for instance, over 6
periods).
> So far, I have not succeed in doing it... :-[
>
> Thanks again for your valuable help,
> Regards,
> S4
>
>
>
> pumrysh a écrit :
>
> > S4,
> >
> > Sounds like you want the ROC of the bands. Problem is which band
> > would you like to use...upper...lower...or midband?
> >
> > Preston
> >
> >
> > --- In equismetastock@xxxxxxxxxxxxxxx, Manset <manset01@xxxx>
wrote:
> > >
> > > Hi Pumrysh,
> > >
> > > Thanks again for your help but this code deals with bands
squeeze
> > which
> > > a bit different of what I am looking for.
> > > I would like to detect bands flatness, no matter they are
tight or
> > > widened and I can assure you it is not that easy to find !
> > >
> > > Regards,
> > > S4
> > >
> > >
> > > pumrysh a écrit :
> > >
> > > > S4,
> > > >
> > > > Try this:
> > > >
> > > > a1:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S, 2 );
> > > > (a1/mov(CLOSE,10,S))*100
> > > >
> > > > If this doesn't do what you want you may need to get off of
> > messenger
> > > > and go to the internet. Then go to the files section of the
> > group and
> > > > look for formula sites. There are a number of them listed.
Look
> > for
> > > > Bollinger Band Width% at the sites.
> > > >
> > > > Sorry, I don't see this as difficult or tricky.
> > > >
> > > > Preston
> > > >
> > > >
> > > > --- In equismetastock@xxxxxxxxxxxxxxx, Ghibbli <ghibbli@xxxx>
> > wrote:
> > > > >
> > > > > Hi Pumrysh,
> > > > >
> > > > > A really useful code, thanks.
> > > > >
> > > > > But actually, I would like to write an indicator that
detects
> > the
> > > > > flatness of the Bollinger Bands and it is quite tricky to
> > do !!!
> > > > >
> > > > > Any suggestion would be greatly appreciated,
> > > > > Tia
> > > > > S4
> > > > >
> > > > >
> > > > > pumrysh a écrit :
> > > > >
> > > > > > --- In equismetastock@xxxxxxxxxxxxxxx, "safdar_keb"
> > > > <safdar19@xxxx>
> > > > > > wrote:
> > > > > > >
> > > > > > > Hello to everyone
> > > > > > >
> > > > > > > Few days ago there was a discussion about how to find
out
> > > > > > securities
> > > > > > > who's Bollinger bands have come really close
> > > > > > > I have managed to write a formula which can find
exactly
> > this.
> > > > > > > The formula is very basic, but it works.
> > > > > > > =======================================================
> > > > > > >
> > > > > > > cola
> > > > > > > a1:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S,
> > 2 );
> > > > > > > (a1/BBandTop( CLOSE, 10, S, 2 ))*100
> > > > > > > {finds the % difference between the two bands, the less
> > > > difference
> > > > > > > the better the probebility of a breakout}
> > > > > > >
> > > > > > > colb
> > > > > > > b2:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S,
> > 2 );
> > > > > > > c2:=(b2/BBandTop( CLOSE, 10, S, 2 ))*100;
> > > > > > > BarsSince(c2>10)
> > > > > > > { Finds the no of days the security is moving the tight
> > band }
> > > > > > >
> > > > > > > filter
> > > > > > > cola<10
> > > > > > >
> > > > > > >
> > ==============================================================
> > > > > > > I have taken the bands to be "tight" if the difference
> > between
> > > > the
> > > > > > > upper band and lower band is 10% (value in cola)
> > > > > > > Filter can be reduced to anyone's liking.
> > > > > > > Like wise in colb "BarsSince(c2>10)" 10 can be reduced
to
> > any
> > > > lower
> > > > > > > number
> > > > > > >
> > > > > > > Safdar
> > > > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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