Trading in foreign exchange markets is FOREX currency market or international market, the largest in the world at all, they are daily circulation of more than 2 trillion dollars.forex and is the only market in the world which is being deliberated on the 24 consecutive hours. The speed of completing the transaction, not middlemen, and not commissions, high liquidity. Unenviable all these factors make the market more foreign exchange markets for its clients. Of course, the market circulation of currency that can only be likened to share trading markets in terms of form, as there is no exchange here - known traditional sense of the word. It is composed of a global network linking enormous simply enormous number of currency traders in the world. In this market will be trading between dealers through the Internet. And the circulation of major currencies : the American dollar, the euro, pound sterling, Japanese yen, Swiss franc, but the form of pairs.