So what is is Forex trading you may ask? Forex is the exchange you can buy and sell currencies. For example, you might buy British pounds (by exchanging themto the dollars you had), then, after pounds / dollar ratio goes up, you sell pounds and buy dollars again.At the end of this operation you are going to have more dollars, then you had at the beginning.The name convention. In Forex, the name of a "symbol" is composed of two parts — one for first currency, and another for the second currency. For example, the symbol usdjpy stands for US dollars (usd) to Japanese yen (jpy).