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Price clustering and the stability of stock prices

机译:价格聚类与股价稳定

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Understanding factors that influence volatility is vital to analysts, investment professionals, and firm managers. In this study, we take a non-traditional approach to identify the determinants of volatility by examining how frictions in the formation of prices affect the stability of stock prices. In particular, we test the hypothesis that clustering on round pricing increments will result in more volatile financial markets. A possible explanation for clustering-induced volatility may be that stocks with a greater degree of clustering will have less informative prices and thus exhibit greater volatility. Our multivariate tests seem to confirm our hypothesis as we observe a strong, positive relation between price clus(t)ering and stock price volatility. A variety of additional tests suggest that causation flows from clustering to volatility instead of the other way around. (C) 2016 Published by Elsevier Inc.
机译:了解影响波动性的因素对于分析师,投资专家和公司经理至关重要。在这项研究中,我们采用非传统方法来确定波动率的决定因素,方法是检查价格形成过程中的摩擦如何影响股票价格的稳定性。尤其是,我们检验了以下假设:按整轮价格增量进行聚类将导致金融市场更加动荡。集群引起的波动的可能解释可能是集群程度较高的股票信息价格较低,因此表现出较大的波动性。我们的多元检验似乎证实了我们的假设,因为我们观察到价格变化与股票价格波动之间存在强烈的正相关关系。各种其他测试表明,因果关系从聚类转移到波动性,而不是相反。 (C)2016由Elsevier Inc.发布

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