基于中国隐含波动率和方差溢价的实证研究

被引:5
作者
李蒲江 [1 ]
郭彦峰 [2 ,3 ]
机构
[1] 西南财经大学经济与管理研究院
[2] 西南财经大学金融学院
[3] 西南财经大学金融安全协同创新中心
关键词
实现方差; 隐含波动率; 方差溢价; 预测作用;
D O I
10.19343/j.cnki.11-1302/c.2017.10.007
中图分类号
F832.51 []; O211 [概率论(几率论、或然率论)];
学科分类号
1201 ; 020204 ; 020208 ; 070103 ; 0714 ;
摘要
隐含波动率在资本市场中发挥着重要作用,本文使用二次幂变差方法,首次就我国股市的隐含波动率指数及其方差溢价对股市收益和宏观经济活动的预测能力进行实证分析。研究发现:隐含波动率的增加会加剧市场波动风险;方差的连续部分和跳跃部分对未来的实现方差具有显著的正向影响;相对于周收益,方差溢价和波动率指数对月度收益的预测能力更强;隐含波动率指数和方差溢价目前无法对我国宏观经济活动起到预测作用。研究结论为进一步分析我国证券市场的风险偏好提供了经验证据。
引用
收藏
页码:77 / 87
页数:11
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