Do we need to recover T + 0 trading? Evidence from the Chinese stock market

• Autores: Yu Wu, Fang Qin
• Localización: Emerging Markets Finance & Trade, ISSN-e 1558-0938, Vol. 51, Nº. 6, 2015
• Idioma: inglés
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• Resumen

  • In this study, we examine the effects of a change in the day trading rule fromT + 0 toT + 1 for B-shares in Chinese stock market. We remove the influence of adjusting stamp taxes, which happened around the change in the day trading rule. We also apply the difference-in-difference method to remove the effects of other factors that may influence the market quality during the same period. The results show that a change in the day trading rule fromT + 0 toT + 1 will increase price volatility, raise bid-ask spread, reduce the trading activity, and lower the price efficiency.