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股指期货推出前后沪深300指数风险统计特征研究 被引量:1

The Statistical Difference of CSI300 Risk before and after the Introduction of Stock Index Futures
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摘要 股指期货是现代资本市场发展的产物,股指期货与现货的关系是学术界的研究的热点问题之一。文章介绍了风险价值Va R方法、非参数核密度估计理论以及Va R模型的回测评价原理,以我国股指期货推出前后一年间每一小时交易的高频数据为研究对象,运用非参数核密度估计法以及风险价值方法,计算在不同置信水平下的Va R值。在90%、95%以及99%置信水平下,股指期货推出前后,沪深300指数的收益率最大跌幅分别为0.921%、1.33%以及2.28%,变化为最大跌幅分别为0.871%、1.15%以及1.76%。表明在我国股指期货推出后,沪深300指数收益率的风险降低了。最后文章从市场效率,套利机制以及套期保值等视角对实证结果进行了分析。 Stock index futures' birth is the inevitable result of capital market development. When stock index futures are first introduced in a market, there will be a hot issue on the risk of the underlying stock index. The Va R method, nonparametric kernel density estimation theory and Kupiec defaulted testing are introduced in the paper. We take the one hour high frequency trading CSI300 datum as the research object before and after one year of the stock index futures. The Va Rs can be calculated under different confidence level by the nonparametric kernel density estimation method. The key empirical result shows that the maximum risk of CSI300 index returns decreased from 0.921%, 1.33% and 2.28% to 0.871%, 1.15% and 1.76% at 90%, 95% and 99% confidence level respectively before and after the introduction of stock index futures. The market risk of Chinese stock market decreased after the introduction of stock index futures. Finally, the empirical results were explained and discussed from the perspective of market efficiency, arbitrage and hedging.
作者 谷政 卢亚娟
出处 《技术经济与管理研究》 CSSCI 北大核心 2015年第7期91-94,共4页 Journal of Technical Economics & Management
基金 教育部人文社会科学研究规划基金项目(12YJA790093) 江苏省社科基金项目(11EYB013) 江苏高校人文社会科学校外研究基地项目(08) 江苏高校优势学科建设工程项目
关键词 股指期货 沪深300指数 风险价值 金融风险 Stock index futures CSI300 Value at Risk Financial risk
作者简介 谷政(1975-),男,江苏淮安人,副教授,主要从事风险管理研究 卢亚娟(1966-),女,江苏宜兴人,教授,主要从事农村金融研究。
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参考文献8

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