英文标题:
《Equity Market Impact Modeling: an Empirical Analysis for Chinese Market》
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作者:
Shiyu Han, Lan Wu and Yuan Cheng
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最新提交年份:
2016
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英文摘要:
Market impact has become a subject of increasing concern among academics and industry experts. We put forward a price impact model which considers the heteroscedasticity of price in the time dimension and dependency between permanent impact and temporary impact. We discuss and derive the extremum of the expectation of permanent impact and realized impact by constructing several special trading trajectories. Given our use of a large trade and quote tick records of 17,213,238,343 compiled from the Chinese stock market, the model assessment ultimately suggest that our model is better than Almgren\'s model. Interestingly, the result of random effect analysis indicates the parameter $\\alpha$, which is the exponent of the impact function, is a constant with a value of around 0.7 across all stocks. Our model and empirical result would give academia some insight of mechanism of Chinese market, and can be applied to algorithm trading.
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中文摘要:
市场影响已成为学术界和行业专家日益关注的话题。我们提出了一个价格影响模型,该模型考虑了价格在时间维度上的异方差性以及永久性影响和暂时性影响之间的依赖性。通过构造几个特殊的交易轨迹,我们讨论并推导了永久冲击期望和已实现冲击期望的极值。考虑到我们使用了从中国股市汇编的17213238343的大量交易和报价记录,模型评估最终表明,我们的模型优于Almgren的模型。有趣的是,随机效应分析的结果表明,参数$\\α$是影响函数的指数,是一个常数,所有股票的值约为0.7。我们的模型和实证结果将为学术界提供一些关于中国市场机制的见解,并可应用于算法交易。
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分类信息:
一级分类:Quantitative Finance 数量金融学
二级分类:Trading and Market Microstructure 交易与市场微观结构
分类描述:Market microstructure, liquidity, exchange and auction design, automated trading, agent-based modeling and market-making
市场微观结构,流动性,交易和拍卖设计,自动化交易,基于代理的建模和做市
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