Is it possible that few volume indicators are added with levels for OB and OS ?
http://www.fxcodebase.com/code/viewtopi ... 17&t=62451
Slow Volume Strength Index
and
viewtopic.php?f=17&t=62324&p=101676&hilit=volume#p101676
Unusual Volume Price Movement
and
Normalized volume viewtopic.php?f=17&t=41287&p=67507