[amibroker] Re: How do you plot the "bid" value of a foreign symbol?

["ymtrader1" <ymtrader1@xxxxxxxxx>]

treliff,

The reason I want to plot the "bid" of vol-nasd-nasdaq-ind is that is
where IB stores the Nasdaq up volume information.  The down volume
information is stored in the "ask" location.  If you subtract the
"bid" for the "ask" you get the real time spread in the Nasdaq volume.
 What I would like to do is plot the Nasdaq volume spread.  

Thanks


--- In amibroker@xxxxxxxxxxxxxxx, "treliff" <treliff@xxx> wrote:
>
> Indeed no bid array as explained in this recent thread:
> 
> http://finance.groups.yahoo.com/group/amibroker/message/113912
> 
> But why you need the *BID* of vol-nasd-nasdaq-ind ??
> 
> -treliff
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "ymtrader1" <ymtrader1@> wrote:
> >
> > I thought the following code would draw the changing value of the
> > "bid" value but instead it just draws a horizontal line of the current
> > value:
> > 
> > upvol=GetRTDataForeign("BID","vol-nasd-nasdaq-ind");
> > Plot(upvol,"UVol",colorRed,stylecandle);
> > 
> > It appears that upvol is being treated as a constant value instead of
> > an array of values.  How do I define upvol as an array so I can plot
> > the "upvol" data into a graph of the changing values?
> > 
> > 
> > Thanks,
> >
>




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