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Price discovery and volatility spillover with price limits in Chinese A-shares market: A truncated GARCH approach

Adcock, Chris; Ye, C.; Yin, S.; Zhang, Dalu

Price discovery and volatility spillover with price limits in Chinese A-shares market: A truncated GARCH approach Thumbnail


Authors

Chris Adcock

C. Ye

S. Yin

Dalu Zhang



Abstract

The use of price limits by a stock exchange means that the distribution of returns is truncated. By considering a GARCH model in conjunction with a truncated distribution for the residuals, this study investigates whether price limits have an effect on price behaviour and volatility of Chinese A-shares. The analysis has been applied to A-shares traded on the Shanghai Stock Exchange (SSE) and the Shenzhen Stock Exchange (SZSE) during the period from 2004 to 2018. The results suggest the Truncated-GARCH model outperforms a conventional model and offers substantially different insights into the effect of price limits. The delayed price discovery hypothesis is not rejected for either exchange after upper price limit hits. Limited evidence supports the volatility spillover hypothesis, as just over 5% of A-shares experience an increase of volatility after upper price limit hits on both exchanges. No evidence of reduction of volatility after price limit hits is shown in the research.

Citation

Adcock, C., Ye, C., Yin, S., & Zhang, D. (2019). Price discovery and volatility spillover with price limits in Chinese A-shares market: A truncated GARCH approach. Journal of the Operational Research Society, 70(10), 1709-1719. https://doi.org/10.1080/01605682.2018.1542973

Journal Article Type Article
Acceptance Date Oct 29, 2018
Online Publication Date Jan 19, 2019
Publication Date Jan 19, 2019
Deposit Date Mar 8, 2021
Publicly Available Date Mar 8, 2021
Journal Journal of the Operational Research Society
Print ISSN 0160-5682
Electronic ISSN 1476-9360
Publisher Taylor and Francis Group
Peer Reviewed Peer Reviewed
Volume 70
Issue 10
Pages 1709-1719
DOI https://doi.org/10.1080/01605682.2018.1542973
Keywords Price limits, delayed price discovery, volatility spillover, truncated return distributions

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