Optimal Portfolio Strategy under Rolling Economic Maximum Drawdown Constraints

Optimal Portfolio Strategy under Rolling Economic Maximum Drawdown Constraints
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滚动经济最大回撤约束下的最优投资组合策略

DOI:
10.1155/2014/787943
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发表时间:
2014-07
影响因子:
--
通讯作者:
Xu, Weijun
Xu, Weijun
中科院分区:
工程技术4区
文献类型:
--
作者:
Yu, Xiaojian;Xie, Siyu;Xu, Weijun

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研究了滚动经济最大跌幅约束下的最优投资组合策略问题。与现有模型相比,本文提出了一种更实用的分配策略,即采用滚动夏普比来计算分配比例。此外,本文还提出了一种新的投资策略REDP策略,该策略将投资组合的滚动经济缩减替换为风险资产的滚动经济缩减。仿真结果表明,REDP策略能够保证投资组合满足资金缩减约束,且投资组合的收益显著优于其他策略。利用SPTR、DJUBS和3个月期国库券的23年月度数据,对不同策略的绩效进行了实证比较研究。本文分别研究了单一风险资产和两种风险资产的投资情况。实证结果表明,REDP策略成功地控制了最大提款在给定的限制,并表现出最好的回报和风险。
This paper deals with the problem of optimal portfolio strategy under the constraints of rolling economic maximum drawdown. A more practical strategy is developed by using rolling Sharpe ratio in computing the allocation proportion in contrast to existing models. Besides, another novel strategy named “REDP strategy” is further proposed, which replaces the rolling economic drawdown of the portfolio with the rolling economic drawdown of the risky asset. The simulation tests prove that REDP strategy can ensure the portfolio to satisfy the drawdown constraint and outperforms other strategies significantly. An empirical comparison research on the performances of different strategies is carried out by using the 23-year monthly data of SPTR, DJUBS, and 3-month T-bill. The investment cases of single risky asset and two risky assets are both studied in this paper. Empirical results indicate that the REDP strategy successfully controls the maximum drawdown within the given limit and performs best in both return and risk.
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