Quote Originally Posted by ;
Yes I could also downloaded the information for the previous 4 years at no cost by the site above (http://www.fin-rus.com/analysis/export/default.asp). The problem is that I'm not sure that even 10 years is enough.
I downloaded some of the data, and the accuracy of it seems way off.

It was GBPUSD 15-min information from Feb 2001 before Jan 20 2005.