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