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Great explanation Tomasz, thank you. Perhaps this could be added to the
online help when you add plotvap to that document.....
Regards,
Jayson
-----Original Message-----
From: Tomasz Janeczko [mailto:amibroker@xxxxxx]
Sent: Tuesday, July 08, 2003 4:10 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Volume At Price
Hello,
As there was some questions about how Volume At Price (VAP) works
here are some explanantions.
VAP shows total volume of trading that occurred at given price level.
VAP is calculated from data bars that are currently visible.
Actual algorithm involves not ONE price but High-Low price RANGE.
AmiBroker DISTRIBUTES equally bar's volume over High-Low range
to produce VAP histogram. For example if bar's volume is 10000
and H-L range spans 3 'lines" of VAP histogram than each of 3 lines
involved gets added 10000/3 to produce statistics.
This gives much more accurate results than using single price
as some other implementations do.
Best regards,
Tomasz Janeczko
amibroker.com
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