Derivatives, such as futures or options, are financial contracts which derive their value from a spot price, which is called the “underlying”. The term “contracts” is often applied to denote the specific traded instrument, whether it is a derivative contract in commodities, gold or equity shares. The world over, derivatives are a key part of the financial system. The most important contract types are futures and options, and the most important underlying markets are equity, treasury bills, commodities, foreign exchange, real estate etc