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arXiv 1912.04565q-fin.TRecon.EMq-fin.CPq-fin.MFstat.CO
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交易市场价格流动性风险和市场深度

Market Price of Trading Liquidity Risk and Market Depth

Masaaki Kijima, Christopher Ting

摘要:

贸易的价格影响是贸易前和贸易后分析的一个重要因素。我们引入了一个分析流动性风险市场价格的框架,该框架允许我们导出一个非齐次伯努利常微分方程。我们得到了两个封闭形式的解,其中一个再现了Kyle(1985)中的订单流的线性函数。然而,当交易者不对称通知,S形函数的订单流得到。我们对日经指数期货进行了一个实证的日内分析,以量化订单流的价格影响,并将我们的结果与行业的启发式价格影响函数进行比较。我们的订单流模型产生了一个丰富的框架,不仅估计流动性风险参数,但也提供了一个合理的原因,为什么波动性和相关性是随机的性质。最后,我们发现市场深度封装了流动性风险的市场价格。

英文摘要:

Price impact of a trade is an important element in pre-trade and post-trade analyses. We introduce a framework to analyze the market price of liquidity risk, which allows us to derive an inhomogeneous Bernoulli ordinary differential equation. We obtain two closed form solutions, one of which reproduces the linear function of the order flow in Kyle (1985) for informed traders. However, when traders are not as asymmetrically informed, an S-shape function of the order flow is obtained. We perform an empirical intra-day analysis on Nikkei futures to quantify the price impact of order flow and compare our results with industry's heuristic price impact functions. Our model of order flow yields a rich framework for not only to estimate the liquidity risk parameters, but also to provide a plausible cause of why volatility and correlation are stochastic in nature. Finally, we find that the market depth encapsulates the market price of liquidity risk.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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