Margin-trading volatility and stock price crash risk

Dayong Lv and Wenfeng Wu

Pacific-Basin Finance Journal, 2019, vol. 56, issue C, 179-196

Abstract: Previous studies rarely discuss the effect of margin trading on future stock price crash risk, though margin trading is often blamed for destabilizing stock market. We propose three possible mechanisms through which margin trading may affect crash risk. Our empirical results show that neither margin-buying activity nor margin debt is associated with future crash risk, rejecting mechanisms of both “liquidity provision” and “fire sales”. In contrasts, stocks with more margin-trading volatility are predicted to have more crash risk, supporting the view of “arbitrage risk mechanism”. Furthermore, we find that higher margin-trading volatility results in higher overpricing and less information content.

Keywords: Margin trading; Crash risk; Arbitrage risk; Overpricing; Information content (search for similar items in EconPapers)
JEL-codes: G12 G14 G32 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:pacfin:v:56:y:2019:i:c:p:179-196

DOI: 10.1016/j.pacfin.2019.06.005

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