Preferred numbers and the distributions of trade sizes and trading volumes in the Chinese stock market

  title={Preferred numbers and the distributions of trade sizes and trading volumes in the Chinese stock market},
  author={Guo-Hua Mu and Wei Chen and J{\'a}nos Kert{\'e}sz and Wei‐Xing Zhou},
  journal={The European Physical Journal B},
The distributions of trade sizes and trading volumes are investigated based on the limit order book data of 22 liquid Chinese stocks listed on the Shenzhen Stock Exchange in the whole year 2003. We observe that the size distribution of trades for individualstocks exhibits jumps, which is caused by the number preference of traders when placing orders. We analyze the applicability of the “q-Gamma” function for fitting the distribution by the Cramér-von Mises criterion. The empirical PDFs of… 
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