熊市的交易策略

Matúš Padyšák, Radovan Vojtko
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引用次数: 1

摘要

本文旨在寻找一种即使在熊市中也能奏效的策略。即使在股市下跌时,这种方法也应该是有利可图的,并且可以在经济不景气时用作对冲手段。常识表明,或许一些不同的资产类别可以用于这一目的。因此,本文从实践者的角度考察了价格与商品偏度之间的关系,这种想法是基于股票世界中类似的东西,股票中的彩票效应。个人投资者为了追求尽可能高的利润,倾向于选择像彩票一样收益的股票,他们愿意玩股票彩票。不幸的是,在彩票中,赢家很少,输家很多,只有一个快乐的彩票发行者从中获利。研究发现,与非彩票类收益的股票相比,具有彩票类收益的股票具有负的异常收益。在商品领域也发现了同样的结果,在商品领域,类似彩票的特征可以通过偏度来衡量。最重要的是,这种由做多四种偏度最小的商品和做空四种偏度最大的商品组成的策略是有利可图的,并且与股票市场负相关。它还经受住了各种交易假设和交易成本,同时保持盈利。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Trading Strategy for Bear Markets
This paper aims to find a strategy that would work even during bear markets. Such approach should be profitable even when the equity markets are down and could be used as a hedge during those bad times. Common sense suggests that maybe some different asset classes could be used for such purpose. Therefore this paper examines the relationship between prices and skewness of commodities from the practitioner's point of view, where such idea is based on something similar in the world of equities, the Lottery effect in the stocks. Individual investors tend to prefer stocks with lottery-like payoffs in the search for the as high profits as it is possible, and they are willing to play the equity lottery. Unfortunately, in the lotteries, there is a small number of winners, a large number of losers, and one happy lottery ticket issuer that has profited from it. Studies have found out that stocks with lottery-like payoffs have negative abnormal returns if they are compared to the stocks with non-lottery-like payoffs. The same results are found in the world of commodities, where the lottery-like characteristics can be measured by skewness. Most importantly, such a strategy consisting of going long four commodities with the lowest skewness and shorting four commodities with the highest skewness is profitable and negatively correlated with the equity market. It also survives various trading assumptions and trading costs, while remaining profitable.
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