The competition will begin at 5 pm ET Feb. 7, 2010 and will end at 5 pm ET April 30, 2010. New and existing customers have until 5 p.m. ET on March 31, 2010 to enter. Open positions need not be liquidated for purposes of determining the winners. The percentage gain will be based on the Total Ending Equity (account equity balance as of April 30, 2010 at 5 pm EST) compared to the Total Beginning equity (account equity balance as of competition entry) plus subsequent customer deposits.

for more info: http://www.gftforex.com/trading-challenge/terms.asp