What Is FOREX or FOREX MARKET? PART I The Foreign Exchange market (also referred to as the Forex or FX market) is the largest financial market in the world, with over $1.5 trillion changing hands every day. That is larger than all US equity and Treasury markets combined! Unlike other financial markets that operate at a centralized location (i.e. stock exchange), the worldwide Forex market has no central location. It is a global electronic network of banks, financial ...