Forex (FX) is the global marketplace for exchanging national currencies against one another. It is the largest financial market in the world by trading volume and operates 24 hours a day through a network of banks, brokers, and electronic trading platforms.
Example
“The forex trader bought EUR/USD at 1.0850 during the London session, anticipating the euro would strengthen after the ECB raised interest rates, and closed the trade at 1.0920 for a 70-pip profit.”