Published by Mark AckroydForex dealers may this week be impacted by the activity of the European Central Bank and the US Federal Reserve.According to the Wall Street Journal, of the two decisions relating to monetary policy the latter body's is likely to have the biggest impact on foreign exchange trading.It is set to meet on Wednesday (November 2nd) and some experts believe that it may announce a third round of quantitative easing, with the news source suggesting this may have a similar negative affect as the last time the measure was taken.Commenting on the situation, Bank of New York Mellon currency strategist Michael Woolfolk suggested that Ben Bernanke, chairman of the Federal Reserve, "is very much committed to maintaining ultra-accommodative monetary policy to help support refinancing at low interest rates".Those conducting foreign exchange trading may also wish to take note of recent comments made to Kenneth Rogoff, Harvard University economist, suggesting that Greece is likely to leave the euro in the next decade.For more information on foreign exchange treasury services and risk management, visit our Corporate FX site