Currency trading is the largest market in the world. About US $2 trillion of trade is estimated in the currency trading every day. The magnitude of currency trading excels all other equity markets in the world, including the everyday transactions of around US$50 billion of the New York Stock Exchange, NASDAC.

The use of currency trading is usually referred to as foreign exchange, and Forex (FX). There is a relative value of every currency to the other currencies in the world. And currency trading involves the currency purchase & sale in large quantities to earn the profit with the relative value.