Net buy or sell volumes

Has anyone explored trading using net buy volumes? Where can we get such information? I find one in Advfn.com, but I was unable to save the data using copy/paste.

Thanks,
Jim

 

Any comments?

 

www.marketdelta.com - This is the best application I have found that displays the type of information you are looking for. Lots of good educational stuff on the site as well. Hope this helps! Good Luck.

 

Thanks!...very interesting link.