The foreign exchange market is a global decentralized or over-the-counter market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices. Forex trading or FX trading, is the conversion of one currency into another. FX is one of the most actively traded markets in the world, with individuals, companies and banks carrying out around $6.6 trillion worth of forex transactions every single day.