这一不对称性是空头的一大障碍。

This asymmetry discourages short-selling.

youdao

股价下跌时，空头的价值上涨。

(Shorts gain in value as the prices fall).

youdao

这些交易可以被用做在市场中所进行的多头和空头的操作。

These transactions may be used to establish long or short positions in the market.

youdao

We did have a large,short position in subprime mortgage-backed securities, which has paid off enormously for the University and really helped protect assets in the past nine months or a year.

我们确实曾持有很多,次级抵押担保证券的空头,它们为耶鲁赚了不少钱,并且在过去的9个月或1年间,为资产保值发挥了实在的作用

耶鲁公开课 - 金融市场课程节选

The question was whether we were looking to take more short positions as the economy appears to be moving into recession and I guess the second part of the question was how do you remain bullish in this kind of environment.

问题是,在经济表现出走向衰退时,我们是否会做更多空头,我想这个问题的另一面就是,在那种情况下如何保持市场信心

耶鲁公开课 - 金融市场课程节选