When to sell an asset amid anxiety about drawdowns

When to sell an asset amid anxiety about drawdowns
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在担心回撤的情况下何时出售资产

DOI:
10.1111/mafi.12278
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发表时间:
2020
影响因子:
1.6
通讯作者:
Rodosthenous N
Rodosthenous N
中科院分区:
经济学2区
文献类型:
--
作者:
Rodosthenous N

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我们认为厌恶风险的投资者对资产价格下跌有不同程度的焦虑。后者被定义为当前价格与其成立以来最佳表现的距离。这些回撤可能会持续增加,也可能会突然增加,并且当超出投资者的私人承受水平时,将导致投资者整体上变得不耐烦。我们调查投资者在如此不利的市场条件下出售资产时的异常反应。从数学上讲,我们通过随机贴现来研究资产出售效用的最佳停止,以捕捉投资者的整体不耐烦情绪。随机折扣是根据在不理想的高区域中回撤所花费的累积时间来给出的,并根据投资者对回撤的个人容忍度和焦虑进行微调。我们证明,除了传统的止盈销售外,现实生活中使用的止损单和追踪止损也可能成为最优销售策略的一部分,具体取决于不同的个人特征。因此,本文提供了关于焦虑的影响及其与传统风险厌恶对决策的区别的见解。
We consider risk‐averse investors with different levels of anxiety about asset price drawdowns. The latter is defined as the distance of the current price away from its best performance since inception. These drawdowns can increase either continuously or by jumps, and will contribute toward the investor's overall impatience when breaching the investor's private tolerance level. We investigate the unusual reactions of investors when aiming to sell an asset under such adverse market conditions. Mathematically, we study the optimal stopping of the utility of an asset sale with a random discounting that captures the investor's overall impatience. The random discounting is given by the cumulative amount of time spent by the drawdowns in an undesirable high region, fine‐tuned by the investor's personal tolerance and anxiety about drawdowns. We prove that in addition to the traditional take‐profit sales, the real‐life employed stop‐loss orders and trailing stops may become part of the optimal selling strategy, depending on different personal characteristics. This paper thus provides insights on the effect of anxiety and its distinction with traditional risk aversion on decision making.
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