Optimal quantile hedging under Markov regime switching

Optimal quantile hedging under Markov regime switching
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马尔可夫政权切换下的最优分位数对冲

DOI:
10.1007/s00181-020-01831-5
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发表时间:
2020-02
影响因子:
3.2
通讯作者:
Yu Xiaojian
Yu Xiaojian
中科院分区:
经济学4区
文献类型:
--
作者:
Lien Donald;Wang Ziling;Yu Xiaojian

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在这项研究中,我们提出了一种新的分位数套期保值方法,将传统的分位数套期保值方法扩展为两状态马尔可夫制度转换模型。利用16个期货市场的日数据,我们发现传统的分位数套期保值比率对于不同的期货表现出不同程度的倒U形。当考察高波动率和低波动率时,分位数对冲比率显示出与传统模型不同的结果。在低波动率状态下,分位数套期保值比率相对平缓,而在高波动率状态下,分位数套期保值比率随现货收益率分布而变化,呈U型关系。此外,U型在农产品期货中更为突出,而在其他期货中则不那么突出。此外,通过比较套期保值的有效性,发现分位数套期保值策略比无套期保值策略和基于误差修正模型的套期保值策略更有效。
In this study, we introduce a new quantile hedging method by extending the conventional quantile hedging with two-state Markov regime switching models. Using daily data from 16 futures markets, we discover that the conventional quantile hedge ratio displays an inverted U shape to various extents for different futures. When looking into high- and low-volatility states, quantile hedge ratios show different results compared with conventional models. While the quantile hedge ratio in low-volatility state is relatively flat, in high-volatility state, the quantile hedge varies with the spot return distribution and displays a U-type relationship. Moreover, the U shape is more prominent for agricultural futures and less prominent for others. Also, by comparing hedging effectiveness, the quantile hedge strategy is found to be more effective than the no-hedge strategy and the hedging strategy derived from error correction models.
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