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Hi,
AB is a 32 bit program, so the largest number it can store accurately is
2^32 or about 4.3 billion. The workaround is to divide your volume by 1,000
before adding them and view them in 1,000's.
Steve
----- Original Message -----
From: "thelunit" <thelunit@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, November 06, 2005 9:30 PM
Subject: [amibroker] Daily Vol -> Weekly Vol weirdness
> I'm experiencing a weird Volume problem with a few tickers.
>
> As an example, consider the London FTSE 100 (yahoo symbol ^FTSE). For the
> last 10 daily periods, the volume on yahoo and in my AB database is as
> follows:
>
> 1,194,962,560 (Oct 24)
> 1,366,228,608
> 1,560,269,184
> 1,479,919,232
> 1,454,649,984 (Oct 28)
>
> 2,127,466,624 (Oct 31)
> 1,946,993,152
> 2,140,920,192
> 2,145,722,240
> 1,964,006,656 (Nov 4)
>
>
> And these volumes plot fine on the daily volume chart. However, when I
> switch to weeky view, the volume plot is now plotting *negative* volumes.
> If I check this in AB explorer, the weekly values I see plotted which
> correspond to the above are:
>
> -1,533,905,024
> 1,735,174,272
>
> neither of which I can explain. As far as I can see, the values should be
> the sum of the relevant 5 periods:
>
> 7,056,029,568
> 10,325,108,864
>
>
> Can anyone suggest what problem is going on here? I'm using AB 4.61 EOD
> and have reinstalled but the problem remains. All apart from a few tickers
> seem to be OK.
>
> Thanks
>
>
>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
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