Information-based trade in the Shanghai stock market
Copeland, L., Wong, W. K. and Zeng, Y. (2009) Information-based trade in the Shanghai stock market. Global Finance Journal, 20 (2). pp. 180-190. ISSN 1044-0283
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Publisher's URL: http://dx.doi.org/10.1016/j.gfj.2009.02.002
We show that the probability of information-based trade (PIN) played a significant role in explaining monthly returns on Shanghai A shares over the period 2001 to 2006. In particular, PIN, as approximated by order imbalance as a proportion of total transactions, appears to explain returns even after controlling for risk in the much-cited Fama and French [Fama, E. F. & French, K. R. (1992). The Cross-Section of Expected Stock Returns. Journal of Finance, XLVII, 427–465.] three-factor model. However, we also find that some of the PIN effect appears to be indistinguishable from a turnover effect.