Admin What is FOREX? The Foreign Exchange market, which is also known the “FOREX” or “Forex” or “Retail forex” or “FX” or “Spot FX” or just “Spot” is the largest financial market in the world, with a volume of about $5.3 trillion a day. It actually equates to more than three times the total amount of the stocks and futures markets combined! Forex rocks! Don’t you think so?