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Yuki,
2,200,000,000 is a bit higher than the V upper limit.
Higher prices should be corrected before import.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, Yuki Taga <yukitaga@xxxx> wrote:
> I've just recently come across a data problem I cannot solve. For
> the TOPIX index, which pulls data from an MS database via the
> plug-in, I am starting to get negative volume values saved in the
> local database. And I cannot seem to undo this.
>
> It is one issue, the TOPIX index. It is ONLY volume numbers that
> have gone negative. These volume numbers, in the past month, have
> reached unprecedented highs.
>
> The volume numbers are correct in the Downloader files, and the DL
> shows the correct number (or as correct as it can, given its
> numerical limitation that causes periodic rounding).
>
> But AB is somehow transforming the value when it receives it from
the
> plug-in. This probably means that the plug-in is somehow getting an
> incorrect value from the MS file, but since the MS file displays
> correctly in the DL, it's hard to understand the mechanics here.
>
> The first time I ever note this was on March 12 of this year. It
> never happened before that, ever, nor again until the past 3 days,
> every day. Today, with volume down, I have the correct positive
> value in AB again (for today, past days remain negative). The
> problem seems to be between 2,200,000,000 and 2,300,000,000. Above
> that, I get negative volume, with a number that does not seem to be
> related to the true value in any way I can see. Below that, I get
> the correct reading.
>
> One solution that might work would be to knock off 3 decimals from
> the TOPIX volume all the way back to the beginning. But I really
> hate to do this if I don't absolutely have to.
>
> Anyone?
>
> Yuki
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