USD - US Dollar. 1  Our currency rankings show that the most popular United States Dollar exchange rate is the USD to EUR rate. The currency code for Dollars is USD, and the currency symbol is 2  $. Our currency rankings show that the most popular Chile Peso exchange rate is the USD to CLP rate. The currency code for Pesos is CLP, and the currency symbol is $. More Chilean Peso info
Trading in the forex is not done at one central location but is conducted between participants through electronic communication networks (ECNs) and phone networks in various markets around the world. The market is open 24 hours a day from 5pm EST on Sunday until 4pm EST Friday. The reason that the markets are open 24 hours a day is that currencies are in high demand. The international scope of currency trading means that there are always traders somewhere who are making and meeting demands for a particular currency.
Forex trading hours, Forex trading time: For example, trading EUR/USD, GBP/USD currency pairs would give good results between 8:00 am and 12:00 noon EST when two markets for those currencies are active.