The forex, or foreign exchange, market is a specialized type of market in which types of currency are exchanged for other types of currency. On average, the daily trade within the forex market is more than $1.9 trillion. As the worlds largest financial market, forex involves trading among central banks, large banks, governments, multinational corporations, large banks, and other institutions and markets of a financial nature. Individuals may also participate in the forex market through banks or brokers, though individuals represent only a small fraction of those trading within the market.