Calamari GBPUSD Expert Advisor - Version 2011 Calamari GBPUSD Expert AdvisorCalamari Expert Advisor for GBPUSD, as the EURUSD version, uses complex hedge grid management system that is able to profit in both trending and ranging markets. This robot must also be used exclusively, meaning it cannot be used along with other robots. A minimum account size of USD3000 is required and one must be comfortable with drawdown periods to reap the maximum profit potentials of this EA. GBPUSD version is more aggressive providing about 10-50% returns monthly on medium risk settings. An extremely powerful EA but may not suite everyone.Due to the nature of the complex grid management system, back testing using MetaTrader Strategy Tester reveals inaccurate results.