Hello The Forex market is the largest and most liquid financial market in the world, with a daily trading volume of approximately 100 trillion Rand (6.6 trillion USD – 2019). And Forex trading is buying and selling currencies on this market. A forex trader will buy a currency at the current market price and sell it again at a target price in the future. Because currency prices are always changing, the purchase and the sale price will be different, and the difference between the two prices will be the trader’s profit or loss.