I believe it has always been IB's issue(???).
If one pulls up an IB chart(TWS) and clks on t/s
then data is displayed. Yet on TWS ticker pages
no volume is shown. As well, no volume thru the API to feed other apps such as QT.
******STILL NO VOLUME******
<img src=http://www.elitetrader.com/vb/attachment.php?s=&postid=1967466>