采用深圳证券市场交易数据对资本资产定价模型进行了横截面检验,研究了股票组合和单支股票收益率与系统风险的关系,并分析了个股风险构成。
The paper has transverse check to CAPM by using data from Shenzhen's securities, studies relations between stock group and single stock and system risk, and analyzes single stock risk construction.
近期有学者开始关注个股间相关性和个股的特质波动性是否对股票截面收益率有影响。
Recently, some scholars began to pay attention to the correlation risk between individual stocks and the idiosyncratic volatilities of individual stocks.
本文采用上海A股市场的月收益率数据,率先使用DCC - MVGARCH模型,刻画了时变的个股间预期条件相关性和个股的预期条件特质波动率。
This article USES data from Shanghai a type stock market and originally measures the conditional expectation of correlation risk and idiosyncratic volatility by DCC-MV GARCH model.
本文采用上海A股市场的月收益率数据,率先使用DCC - MVGARCH模型,刻画了时变的个股间预期条件相关性和个股的预期条件特质波动率。
This article USES data from Shanghai a type stock market and originally measures the conditional expectation of correlation risk and idiosyncratic volatility by DCC-MV GARCH model.
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