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。
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.
这让收益率保持在了低水平。收益率与价格反向而动。
That has kept yields, which move in the opposite direction of prices, low.
“规模效应”是股票市场上一种重要的异常收益现象，反映了股票收益与公司规模之间的反向关系。
The size effect is an important phenomenon of the market anomalies and reflects the reverse direction between the stock return and the firm size.
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