Empirical regularities of order placement in the Chinese stock market

Gao-Feng Gu, Wei Chen and Wei-Xing Zhou
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Gao-Feng Gu: ECUST
Wei Chen: SZSE

Papers from arXiv.org

Abstract: Using ultra-high-frequency data extracted from the order flows of 23 stocks traded on the Shenzhen Stock Exchange, we study the empirical regularities of order placement in the opening call auction, cool period and continuous auction. The distributions of relative logarithmic prices against reference prices in the three time periods are qualitatively the same with quantitative discrepancies. The order placement behavior is asymmetric between buyers and sellers and between the inside-the-book orders and outside-the-book orders. In addition, the conditional distributions of relative prices in the continuous auction are independent of the bid-ask spread and volatility. These findings are crucial to build an empirical behavioral microscopic model based on order flows for Chinese stocks.

Date: 2007-12
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Published in Physica A 387 (13), 3173-3182 (2008)

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