Forex (FX) – this is an abbreviation of Foreign Exchange. This is market where investors trade and exchange one currency to another. Forex is the biggest market in the world, with highest liquidity and an average traded value that exceeds $1.9 trillion for a day. It covers all currencies in the world. The forex market is active 24 hours a day, five days a week and all currencies are traded among the largest financial centers of London, New York, Tokyo, Zürich, Frankfurt, Hong Kong, Singapore, Paris and Sydney.