What is the meaning of Derivative?

Derivatives are financial instruments whose value changes in response to the changes in underlying variables. The main types of derivatives are futures, forwards,options,and swaps.

The main use of derivatives is to reduce risk for one party. The diverse range of potential underlying assets and pay-off alternatives leads to a huge range of derivatives Contracts available to be traded in the market. Derivatives can be based on different types of assets such as 

commodities, equities (stocks), bonds, interest rates, exchange rates, or indexes (such as a stock market index, consumer price index (CPI) — see inflation derivatives — or even an index of weather conditions, or other derivatives). Their performance can determine both the amount and the timing of the pay-offs.