Foreign exchange - or forex - is the world’s largest financial market. In 2007, daily currency trading volume was 3.2 trillion dollars. Foreign exchange - or forex - is the world’s largest financial market. In 2007, daily currency trading volume was 3.2 trillion dollars. By 2010, foreign exchange transactions reached nearly 4 trillion dollars a day, an increase of 25% in three years. Amazingly, the amount of foreign currency traded each week is more than the annual US gross domestic product (GDP) |