摘要
运用时间序列分析的预测方法,对四大银行的股票日对数收益率序列进行拟合与预测分析,分别构建ARMA模型、GARCH模型以及ARMA-GARCH组合模型,通过模型比较,实证分析表明:在拟合效果上,ARMA-GARCH模型的拟合优度优于ARMA模型和GARCH模型;在预测效果上,ARMA模型的预测效果最优,ARMA-GARCH模型次之.
The prediction method of time series analysis was used to fit and predict the daily logarithmic return sequences of China's four big Banks.ARMA model,GARCH model and ARMA-GARCH model were constructed respectively.Through the model comparison,the empirical analysis results show that,in terms of fitting effect,the goodness of fit of ARMA-GARCH model is better than that of ARMA model and GARCH model;and in terms of prediction effect,ARMA model has the best prediction effect,followed by ARMA-GARCH model.
引文
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