On statistical properties of traded volume in financial markets

被引:32
作者
de Souza, J [1 ]
Moyano, LG [1 ]
Queirós, SMD [1 ]
机构
[1] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil
关键词
05.45.Tp Time series analysis; 89.65.Gh Economics; econophysics, financial markets, business and management; 05.40.-a Fluctuation phenomena, random processes, noise, and Brownian motion;
D O I
10.1140/epjb/e2006-00130-1
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
In this article we study the dependence degree of the traded volume of the Dow Jones 30 constituent equities by using a nonextensive generalised form of the Kullback-Leibler information measure. Our results show a slow decay of the dependence degree as a function of the lag. This feature is compatible with the existence of non-linearities in this type time series. In addition, we introduce a dynamical mechanism whose associated stationary probability density function (PDF) presents a good agreement with the empirical results.
引用
收藏
页码:165 / 168
页数:4
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