摘要
基于现有的股票价格时间序列模型,建立了一个股票价格冲击混合分布分类信息GARCH模型,引入指令簿信息,可以在解释股价变动的自相关性和异方差特性的同时,度量交易量对价格的冲击系数,进一步将价格冲击系数应用于投资优化中,可以得到投资组合的最优交易策略.
Based on the stock price timing serial model, this article established a mixed distribution classified information GARCH (Generalized Autoregressive Conditional Heteroscedasticity) model, introducing the information from order books. Thus, it can measure the stock price impact coefficient from trade volume, and at the same time explain the auto-correlation and heteroscedastic characteristic of price variation. Furthermore, the price impact coefficient is applied to investment optimization, thus an optimal cashing strategy of the investment portfolio is achieved.
出处
《上海交通大学学报》
EI
CAS
CSCD
北大核心
2007年第7期1105-1109,共5页
Journal of Shanghai Jiaotong University
关键词
价格冲击
分类信息
限价指令
广义自回归条件方差
price impact
classified information
limit order
generalized autoregressive conditional heteroscedasticity (GARCH)
作者简介
寻明辉(1975-),男,黑龙江哈尔滨人,博士,主要从事金融市场微观结构理论及投资风险管理领域的研究, 电话(Tel.):021-62933970;E-mail:xunminghui@163.com.