The Foreign Exchange markets, also known as Forex, are the largest trading market in the world. With over $3 trillion exchanged everyday even getting a small fraction of the market could mean big profits. So it's a big deal and has lots of action.

The foreign exchange (currency or forex or FX) market refers to the market for currencies. Transactions in this market typically involve one party purchasing a quantity of one currency in exchange for paying a quantity of another.

The FX market is the largest and most liquid financial market in the world, and includes trading between large banks, central banks, currency speculators, corporations, governments, and other institutions. The average daily volume in the global forex and related markets is continuously growing and was last reported to be over US$ 4 trillion in April 2007 by the Bank for International Settlement.