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arXiv 2102.02834q-fin.TRq-fin.PR
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衍生品市场的交叉影响

Cross impact in derivative markets

Mehdi Tomas, Iacopo Mastromatteo, Michael Benzaquen

摘要:

交易一种金融资产会推高其价格以及其他资产的价格,这种现象被称为交叉影响。对复杂金融工具(如衍生工具)的这种影响的经验估计是一个悬而未决的问题。为了解决这个问题,我们考虑一个设置中的衍生品的价格是一个确定性的函数的随机因素,在这两个因素和衍生品的交易诱导价格的影响。我们表明,一个特定的交叉影响模型满足关键属性,使其估计易于处理的应用程序。使用E-Mini期货,欧洲看涨和看跌期权和波动率指数期货,我们估计交叉影响,并显示我们的简单框架成功地捕捉到一些经验现象。我们的衍生品交叉影响评估框架可用于实际评估对冲成本或构建衍生品市场的流动性指标。

英文摘要:

Trading a financial asset pushes its price as well as the prices of other assets, a phenomenon known as cross-impact. The empirical estimation of this effect on complex financial instruments, such as derivatives, is an open problem. To address this, we consider a setting in which the prices of derivatives is a deterministic function of stochastic factors where trades on both factors and derivatives induce price impact. We show that a specific cross-impact model satisfies key properties which make its estimation tractable in applications. Using E-Mini futures, European call and put options and VIX futures, we estimate cross-impact and show our simple framework successfully captures some of the empirical phenomenology. Our framework for estimating cross-impact on derivatives may be used in practice for estimating hedging costs or building liquidity metrics on derivative markets.

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