Eurodollar futures use this settlement price index because it conveniently preserves the inverse relation between price and yield.

欧洲美元期货使用结算价格指数，因为这样方便地保留了价格和收益之间的相反关系。

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There are leveraged ETFs which offer a geared return on a given index, inverse ETFs which aim to go down when a benchmark goes up (and vice versa) and, inevitably, leveraged inverse ETFs.

也有杠杆式EFTs，在给定的指数上提供一个反向的收益，使ETFs逆转，即当基准上升时EFTs有下降的趋势（反之亦然），不可避免地，举债经营逆转ETFs。

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WNN controller with the idea of neural networks inverse control is applied. Using multi-step predictive index function to train the weights of controller.

采用神经网络逆控制的思想设计小波神经网络控制器，引入多步预测性能指标函数对控制器权值进行在线训练。

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They are designed to double or triple the performance (or the inverse of the performance) of the target index when held for a day.

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The UltraShort Financials ProShares moves at a rate double the inverse of the Dow Jones U.S. Financials index.

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This ETF seeks daily investment results, before fees and expenses, that correspond to the inverse of the daily performance of the FTSE China 25 Index.

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