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Kevin,
In general, if you want the intraday advance-decline line, you need to start with a) the intraday advance line, and b) the intraday decline line.
As mentioned, GetRTDataForeign() returns a number (not a line), and does so in realtime (not historically).
Probably your data provider offers symbols for ADV and DECL which will have the historical intraday quotes.
I recommend you find those symbols, make sure you can plot them, and then work forward from there. Assuming those symbols are available, this approach will work, guaranteed.
I get the impression that you are perhaps trying to capture realtime data and save it into a ticker array yourself, one "capture" per chart bar. I've never implemented this approach, and I don't even know if it can be done. Possibly one of the highly realtime-oriented members can comment on this.
--- In amibroker@xxxxxxxxxxxxxxx, "kevinoversby" <kevinoversby@xxx> wrote:
>
> OK, thanks.
>
> Today I tried storing the values in an array but still only get the last number:
>
> adv = GetRTDataForeign("bid","AD-NYSE-NYSE-IND");
> dec = GetRTDataForeign("ask","AD-NYSE-NYSE-IND");
>
> array[ BarCount -1 ] = adv-dec;
> Plot(array,"array",1);
>
> AddToComposite( array, "~ADD2","C", atcFlagDefaults | atcFlagEnableInIndicator );
> Plot(Foreign("~ADD2","C",1),"ADD2",1);
>
> Can anyone see the problem?
>
> Thanks
>
> Kevin
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "progster01" <progster@> wrote:
> >
> > Hi.
> >
> > GetRTDataForeign() returns a number, not an array:
> >
> > SYNTAX GetRTDataForeign( ''fieldname'' , ''symbol'' )
> > RETURNS NUMBER
> >
> > hence the code is storing and plotting a number (a single value) rather than an array of differing values.
> >
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "kevinoversby" <kevinoversby@> wrote:
> > >
> > > Has anyone managed to store intraday advance-decline data in a composite? The code below only plots the last value.
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "kevinoversby" <kevinoversby@> wrote:
> > > >
> > > > adv = GetRTDataForeign("bid","AD-NYSE-NYSE-IND");
> > > > dec = GetRTDataForeign("ask","AD-NYSE-NYSE-IND");
> > > >
> > > > AddToComposite( adv-dec, "~ADD","C", atcFlagDefaults | atcFlagEnableInIndicator );
> > > >
> > > > Plot(Foreign("~ADD","C",1),"AD",1);
> > > >
> > > >
> > > > The above code plots the ONLY last value of AD-NYSE. However, I wanted to accumulate values in real-time in the composite - any hints on how to do it?
> > > >
> > > > Thanks
> > > >
> > > > Kevin
> > > >
> > >
> >
>
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