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Hello all again, I have some more question after doing some research.
1) What is Batman
2 )I was looking at the Norgate data site when I came across this.
(Unfortunately as AmiBroker only supports two levels of classifications we've decided (after a quick user poll) to provide ICB levels 3 & 4 only.)
What does this mean and have this issue been resolved?
3) Another question from the Norgate Data site.
(Why does the volume on the S&P 500, S&P 1500, NASDAQ Composite, NYSE Composite, and weekly charts of ASX Indices sometimes show as a negative number?
By design, AmiBroker stores volume data internally in a data structure known as a 32 bit signed integer. This data structure can store whole numbers in the range of -2,147,483,648 through 2,147,483,647. If the volume figure exceeds the maximum figure, an "overflow" condition occurs and the volume wraps around to a negative number. For example, the NYSE Composite index had a volume of 3,745,144,031 on Friday 3 May 2008 which significantly exceeds the amount. This is why negative volume is shown on days of very high volume in those few high-volume indexes.
A workaround is available inside AmiBroker, allowing you to divide the volume by a factor. To implement this click File -> Database Settings then click the Configure button. In the "Divide Volume By" field enter a number (eg. 10 or 100 or 1000 - right now 10 seems to be effective across all the US markets for the time being).
A better solution would be for AmiBroker to use a bigger or better data structure (eg. 64 bit unsigned integer) or a floating point field to accommodate such high volumes. If you would like this to be implemented within AmiBroker please login to the AmiBroker Feedback Center. After logging in then click here to show issues #636 and add a comment requesting a permanent solution to the issue.)
Has this been resolved?
Thank you.
ACE
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