The market is open 24 hours a day, five days a week across major financial centers across the globe. This means that you can buy or sell currencies at any time during the day. The foreign exchange market isn't exactly a one-stop shop. There are a whole variety of different avenues that an investor can go through in order to execute forex trades. You can go through different dealers or through different financial centers which use a host of electronic networks. From a historical standpoint, foreign exchange was once a concept for governments, large companies, and hedge funds. But in today's world, trading currencies is as easy as a click of a mouse—accessibility is not an issue, which means anyone can do it. In fact, many investment firms offer the chance for individuals to open accounts and to trade currencies however and whenever they choose.