The Impact of Decreased Margin Requirements on Futures Markets: Evidence from CSI 300 Index Futures

被引：3
|
作者：
Huang, Wenli [1 ]
Luo, Jingyu [1 ]
Qian, Yanhong [1 ]
Zheng, Yuqi [1 ]
机构：
[1] Zhejiang Univ Finance & Econ, China Acad Financial Res, Hangzhou, Peoples R China
来源：
EMERGING MARKETS FINANCE AND TRADE | 2021年 / 57卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Futures margin; index futures; price discovery; volatility spillover; PRICE DISCOVERY; STOCK FUTURES; VOLATILITY; TRENDS;
D O I：
10.1080/1540496X.2020.1852925
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
The purpose of this study is to investigate whether margin downregulations helped enhance the functions of index futures markets following the stock market crash in China in 2015. Using high-frequency trading data, we estimate the changes in the price discovery and volatility spillover relationships between the CSI 300 index and its futures. We find that reducing the margin ratio strengthens the lead role of futures in the lead-lag relationship and results in more volatility transmission from futures markets to the stock market. Furthermore, this paper shows that the expiration-day effect negatively influences the two functions.
引用
收藏
页码：2052 / 2064
页数：13
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