Foreign Exchange, commonly referred to as Forex or FX in short, is the trading in currencies of various countries. Every country or union of countries has its own currency. The purchasing of one currency by selling another currency is achieved in Forex trading.
Foreign exchange trade is the biggest financial market in the world. The volume in terms of amount in Forex transactions, happening daily all over the world is 100 times more than what is executed in stocks in NYSE (New York Stock Exchange). It has been estimated that on an average trades amounting to USD 1.5 trillion are being completed daily in the global Forex market.