If an indexer is not maintaining the index, it might be a good idea to contract an indexer to review it every year or so.

如果标引人员不对索引进行维护，最好让该索引人员能够大约每年对该索引进行定期检查。

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In the preface, the stock Index futures is defined as a futures contract based on stock indices.

在引言中，给出股指期货定义是指以股票指数为基础交易物的期货合同。

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Cetane index are higher than the value in the contract.

十六烷指数高于合同指标；

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Nifty 4600 put options have the maximum amount of open interest of any Nifty index option contract as of close of market on Thursday.

FORBES: Locals Shorting India Stock Market

And over in Moscow, a new trading record was set on the RTS Index future contract, the most liquid instrument of the Russian financial market.

FORBES: Europe Markets Brief

The U.S. dollar index traded slightly lower Monday morning and the December contract hit a fresh contract low.

FORBES: Comex Gold Ends Weaker on Corrective Pullback and amid Better Investor Risk Appetite