It's based on the value of Standard &Poor's 500 Index options.

该指数以为标准普尔500指数期权的价值为基础计算。

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Index options like UNIQUE and CLUSTER, and access methods like B-Tree, R-Tree and user-defined access methods can apply to both functional and non-functional indexes.

诸如unique和CLUSTER等索引选项，以及B - Tree、r - Tree等访问方法和用户定义的访问方法，可以同时应用于函数索引和非函数索引。

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You can explore all of these options on your own by right-clicking on the schema object (a table, view, index, or schema) to see which options are available for that particular object.

您可以通过在模式对象(表、视图、索引或模式)上单击右键自己探索这些选项，看看对于特定的对象有哪些可用的选项。

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In 2001, Vanderbilt's Mr. Whaley developed an index to exploit the high price of index options.

WSJ: Upside: Options for Nervous Investors

We trade everything from equity and index options to longs and shorts on individual stocks.

FORBES: Wall Street Winners: Defying Gravity

Index options, traded at the Chicago Mercantile Exchange and the Chicago Board Options Exchange, work like options on individual stocks.

FORBES: When the Markets Sleep