Measuring and Forecasting Volatility in Chinese Stock Market Using HAR-CJ-M Model

Measuring and Forecasting Volatility in Chinese Stock Market Using HAR-CJ-M Model
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使用HAR-CJ-M模型测量和预测中国股市的波动性

DOI:
10.1155/2013/143194
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发表时间:
2013-03
影响因子:
--
通讯作者:
Fenghua Wen
Fenghua Wen
中科院分区:
--
文献类型:
--
作者:
Chuangxia Huang(代表作三);Xu Gong;Xiaohong Chen;Fenghua Wen

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本文在连续波动跳跃异质自回归模型(HAR-CJ-M)的基础上,将已实现波动率(RV)转化为调整后的已实现波动率(ARV),并利用动量效应对波动率的影响,建立了一个新的模型HAR-CJ-M。同时,我们还详细讨论了另外两种模型(HAR-ARV,HAR-CJ)。对中国股票市场的应用结果表明,连续样本路径变化、动量效应和ARV对未来ARV都有较好的预测效果,而非连续跳跃变化对未来ARV的预测效果较差。此外,HAR-CJ-M模型对中国股市未来波动的预测效果明显优于其他两个模型。
Basing on the Heterogeneous Autoregressive with Continuous volatility and Jumps model (HAR-CJ), converting the realized Volatility (RV) into the adjusted realized volatility (ARV), and making use of the influence of momentum effect on the volatility, a new model called HAR-CJ-M is developed in this paper. At the same time, we also address, in great detail, another two models (HAR-ARV, HAR-CJ). The applications of these models to Chinese stock market show that each of the continuous sample path variation, momentum effect, and ARV has a good forecasting performance on the future ARV, while the discontinuous jump variation has a poor forecasting performance. Moreover, the HAR-CJ-M model shows obviously better forecasting performance than the other two models in forecasting the future volatility in Chinese stock market.
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