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The spillover effect between CSI 500 index futures market and the spot market: Evidence from high-frequency data in 2015

Xuejun Fan (East China Normal University, Shanghai, China)
De Du (East China Normal University, Shanghai, China)

China Finance Review International

ISSN: 2044-1398

Article publication date: 15 May 2017

Abstract

Purpose

Focusing on the spillover effects between the CSI 500 stock index futures market and its underlying spot market during April to September 2015, the purpose of this paper is to explore whether Chinese stock index futures should be responsible for the 2015 stock market crash.

Design/methodology/approach

Using both linear and non-linear econometric models, this paper empirically examines the mean spillover and the volatility spillover between the CSI 500 stock index futures market and the underlying spot market.

Findings

The results showed the following: the CSI 500 stock index futures market has significant one-way mean spillover effect on its spot market. The volatility in CSI 500 stock index futures market also has a significant positive spillover effect on its spot stock market, and the mean value of dynamic correlation coefficient between the two market volatility is 0.4848. The spillover effect of the CSI 500 stock index futures market on the underlying spot market is significantly asymmetric, characterized by relatively moderate and slow during the period of the markets rising, yet violent and rapid during the period of the markets falling. The findings suggest that although the stock index futures itself was not the “culprit” of Chinese stock market crash in 2015, its existence indeed accelerated and exacerbated the stock market’s decline under the imperfect trading system.

Originality/value

Different from the existing literature mainly focusing on CSI 300 stock index futures, this paper empirically examines the impact of the introduction of CSI 500 stock index futures on 2015 Chinese stock market crash for the first time.

Keywords

Citation

Fan, X. and Du, D. (2017), "The spillover effect between CSI 500 index futures market and the spot market: Evidence from high-frequency data in 2015", China Finance Review International, Vol. 7 No. 2, pp. 249-272. https://doi.org/10.1108/CFRI-08-2016-0103

Publisher

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Emerald Publishing Limited

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