1. A derivative is a financial instrument whose value is based on an underlying asset such as stocks, currencies, commodities, bonds, or market indexes. Examples are futures, forwards, options and swaps.
2. Derivatives play a key role in transferring risk between parties in the economy. They are traded both on exchanges as well as over-the-counter between banks and other institutions.
3. Derivatives are used to hedge risks, speculate, engage in arbitrage, or change the nature of investments without selling and rebuying assets.