Contract multiplier and the underlying index point determine the value of stock index futures contracts, and play a key role on transaction risk to investors.
合约乘数与标的指数点位决定了股指期货的合约价值，对投资者的交易风险起到关键性的作用。
2
The market value of a futurescontract changes daily as the market price of the security to be exchanged moves over time.
由于被交易的证券的市场价格不断地随着时间变化，期货合约的市场价值也每天都发生变化。
3
For example, a typical natural gas futurescontract is a financial instrument based on the value of about 10 million cubic feet (Mmcf) of natural gas.