Currency Trading Currency trading, often referred to as foreign exchange or Forex, is the purchasing and selling of currencies in the foreign exchange marketplace, done to make profits. It is referred to as 'speculative Forex trading.' Forex trading is the largest market in the world, with nearly $2 trillion traded daily, with quick growth projections. The main factor that differentiates currency trading from other types of trading is its liquidity. How Does the Forex Work? Currency trading is usually done through brokers and market makers. Investors who trade this way depend on the brokers to place a corresponding trade on the international market. For example, the currency exchange of US dollars to Jamaican dollars is US$1 = JA$114.59, so US$2,000 can earn the investor JA$229,180, who can then in turn reinvest. Forex trading occurs when the buying and selling of one currency for another takes place at the same time. Together, the two currencies form a currenc...