It will take a few weeks or months for BX to make a New High and that depends on volume and external developments and news.
Life time OBV = 1,724,121 ..Which is new high and was made on April 24, 2013
BX, OBV made a new life time new high. The volume yesterday was 8,850,900 which is 67% more than 5,294,200 average daily volume. Because dividend due date some of the volume and option related and short covering can cause distortions.
Definition of 'On-Balance Volume - OBV'
A method used in technical analysis to detect momentum, the calculation of which relates volume to price change. OBV provides a running total of volume and shows whether this volume is flowing in or out of a given security. This indicator was developed by Joe Granville.