Looks like lots of volume activity around the 1300 level for the S&P500. That's the line in the sand, for now.
Now, if only I could figure out how to make the dates appear correctly in the x-axis...
Update: To give credit where credit is due, the original author of the code is Eric Nguyen from Datapunks.com. Go check him out.
Now, if only I could figure out how to make the dates appear correctly in the x-axis...
Update: To give credit where credit is due, the original author of the code is Eric Nguyen from Datapunks.com. Go check him out.

Tom,
Since you have not published the code, Cannot help you in making dates appear correctly.
You can refer to
http://blog.datapunks.com/2011/10/volume-by-price-charts-with-r-first-attempt/
http://mypapertrades.blogspot.in/2011/11/r-bloggers-is-wonderful-site-which.html
Cheers
Gaurav
Thanks so much for popping by, I was wondering who the author was of that script.