derivative
noun [ C, usually plural ]
uk/dɪˈrɪvətɪv/ us(also derivative instrument); (also derivative product) STOCK MARKET, FINANCE
a financial product such as an option (= the right to buy or sell something in the future) that has a value based on the value of another asset, such as shares, or bonds:
GS Financial Products buys and sells derivatives such as swaps and options linked to interest rates, currencies, commodities and indexes.
derivatives trading
In the past 20 years there has been a huge growth in the derivatives markets.