Call auction, continuous trading and closing price formation

نویسندگان

چکیده

The Shanghai Stock Exchange changed its trading mechanism of the preceding three minutes to closing from continuous call auction on August 20, 2018, while Shenzhen had already this in 2006. Taking all A-shared stocks’ data 2017 2019 as our sample, we construct difference-in-difference models and find significant volume shifts trading. We also see a increase volatility trading, but decrease price deviation call. Market efficiency is found be improved by these changes, perhaps due less liquidity noise price. Our conclusions remain robust various robustness checks. It suggests that introduction would reduce manipulation price, thus improving market China.

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ژورنال

عنوان ژورنال: Quantitative Finance

سال: 2021

ISSN: ['1469-7696', '1469-7688']

DOI: https://doi.org/10.1080/14697688.2020.1849782