The second tier is the over-the-counter market. That's where companies and individuals trade. The OTC has become very popular since there are now many companies that offer online trading platforms. New traders, starting with limited capital, need to know more about forex trading. It’s risky because the forex industry is not highly regulated and provides substantial leverage.
Forex is a portmanteau of foreign currency and exchange. Foreign exchange is the process of changing one currency into another currency for a variety of reasons, usually for commerce, trading, or tourism. According to a recent triennial report from the Bank for International Settlements (a global bank for national central banks), the average was more than $5.1 trillion in daily forex trading volume.