How are currency prices determined? Client Service Team 15 March 2023 07:36 Updated Exchange rates are determined by basic supply and demand factors, including interest rates, economic growth, inflation and major events like war or political change. Related articles Can I place a trade when the market is closed? How do I change my leverage? Is there a maximum slippage level? Do you prohibit any trading styles? What’s the difference between a Pip, Tick and Point?