Currency exchange is the trading of one currency against another. Professionals refer to this as foreign exchange, but may also use the acronyms Forex or FX.
Currency exchange is necessary in numerous circumstances. Consumers typically come into contact with currency exchange when they travel. They go to a bank or currency exchange bureau to convert their “home currency into , the currency of the country they intend to travel to.
They may also purchase goods in a foreign country or via the Internet with their credit card, in which case they will find that the amount they paid in the foreign currency will have been converted to their home currency on their credit card statement.
Although each such currency exchange is a relatively small transaction, the aggregate of all such transactions is significant. Businesses typically have to convert currencies when they conduct business outside their home country. They exportin goods to another country and receive payment in the currency of that foreign country, then the payment must often be converted back to the home currency.
Similarly, if they have to import goods or services, then businesses will...