Pension funds could decide to make a geared bet on equities by borrowing money and investing in the S&P 500 index.

退休基金可以通过在标普500指数上交易来对赌股本。

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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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