The Foreign Exchange market, commonly referred as FOREX, is where banks, investors and speculators exchange one currency to another. The largest foreign exchange activity retains the spot exchange between five major currencies: US Dollar, British Pound, Japanese Yen, Eurodollar and the Swiss Franc. It is also the largest financial market in the world. In comparison, the US stock market may trade $10 billion in one day, whereas the Forex market will trade up to $2 trillion in one single day. The Forex market is an opened 24 hours a day market where the primary market for currencies is the 24-hour Interbank market. This market follows the sun around the world, moving from the major banking centres of the United States to Australia and New Zealand to the Far East, to Europe and finally back to the Unites States.