0 Top 10 currency traders

1 Deutsche Bank 21.70%
2 UBS AG 15.80%
3 Barclays Capital 9.12%
4 Citi 7.49%
5 Royal Bank of Scotland 7.30%
6 JPMorgan 4.19%
7 HSBC 4.10%

artical source by :-http://en.wikipedia.org/wiki/Foreign_currency_mortgage

% of overall volume, May 2008