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I see why. The market was closed half a day and IB shows 0 volume for
that half day. Scottrade does this and it screws up the charting
there too. Since that screws up the chart I guess I need to delete
the period of inactivity. I used Quote Editor to delete the "bad"
data for IWM and that fixed the problem. Is there a script program
that will do this? If not I will try to write one. I'm sure I am not
the only one with this problem. OR can this be done in AFL? That
would be much faster than a script. If so are there examples of
deleting selective data with AFL?
Thanks,
Barry
--- In amibroker@xxxxxxxxxxxxxxx, "Barry Scarborough" <razzbarry@xxx>
wrote:
>
> I started having trouble with IB dropping volume on back fill. I
have
> seen that on iwm, uwm, eem, eev as some examples. I noticed it
first
> with IWM 5 minute chart using the VFI indicator where the volume
plot
> is missing back to the point where the volume is correct. The 1, 15
and
> 60 minute charts were OK. UWM is failing on 1, 5 and 15 minute
charts.
> For the most part it is 5 minute charts that fail. Quote Editor
shows
> the volume is missing. The missing data starts around 11/23 at 3
PM.
> IWM has a volume gap, the value is 0, from 11/20 to 11/23.
>
> With EFA the 1 and 60 minute are OK but the 5 and 15 minute fail.
>
> Anyone have any idea what is going on either with the plug-in or IB
> data? I reported this problem to IB customer service but probably
won't
> hear back for a week or more. They have not been very responsive.
>
> Thanks,
> Barry
>
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