An over-the-countermarket where buyers and sellersconductforeign exchangetransactions. The Forex market is useful because it helps enable trade and transactions between countries, and it also allows an investmentopportunity for risk seekinginvestors who don't mind engaging in speculation. Individuals who tradein the Forex market typically look carefully at a country's economic and political situation, as these factors can influence the direction of its currency. One of the unique aspects of the Forex market is that the volume of trading is so high partially because the units exchanged are so small. It is estimated that around $4 trillion goes through the Forex market each day. also calledforeign exchange market.