Index futures are based on the projected movement of a share price index, such as the FTSE 100. London Stock Exchange Glossary
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index futures UK US noun [plural] FINANCE
► futures (= agreements to buy or sell shares, bonds, etc. at a fixed price and time in the future) that are based on the future value of a particular share index: »
A fund manager may sell index futures to hedge their portfolio if they believe that the stock market might fall.
Financial and business terms. 2012.