Updated: Sep 18, 2018
This post defines what are currencies.
What is a Currency (Foreign Exchange Market)?
FOREX or Foreign Exchange refers to the purchasing and selling of different currencies by buyers and sellers. The big international banks act as intermediaries between buyers and sellers in the foreign exchange market. The FOREX market remains the largest market in terms of volume and trading with over US $ 5.3 trillion per day. Investors may also be interested to include currencies in their investments to widen their portfolio diversification.