Cointegration analysis of hazard rates and CDSs: Applications to pairs trading strategy

Cointegration analysis of hazard rates and CDSs: Applications to pairs trading strategy
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风险率和 CDS 的协整分析:在配对交易策略中的应用

DOI:
10.1016/j.physa.2023.128489
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发表时间:
2023
期刊:
Physica A: Statistical Mechanics and its Applications
影响因子:
--
通讯作者:
and Nobuhiro Nakamura
and Nobuhiro Nakamura
中科院分区:
--
文献类型:
--
作者:
Kensuke Kato;and Nobuhiro Nakamura

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本文通过构建风险率过程的协整模型,检验了多个信用违约互换(CDS)价差之间的协整关系。风险率过程的漂移项假设为向量误差修正模型(VECM)。我们将协整性质融入无仲裁定价框架,从而推导出多个协整CDS的理论价差公式。对于风险率动态的估计,我们开发了一个贝叶斯统计推断方法结合数值常微分方程求解器,因为理论CDS价差不能以封闭的形式表示。在对日本企业CDS的实证研究中,我们发现协整CDS的整体期限结构可以用协整风险率的简单二维VECM来解释。在此基础上,我们研究了CDS的配对交易策略。
This study examines the cointegration relationship between multiple credit default swap (CDS) spreads by constructing the cointegrated hazard rate model, which assumes the structure of the vector error correction model (VECM) in the drift term of hazard rate processes. We merge the cointegration nature into the framework of arbitrage-free pricing and thereby derive the theoretical spread formula of multiple cointegrated CDSs. For the estimation of hazard rate dynamics, we develop a Bayesian statistical inference method combined with the numerical ordinary differential equation solver because the theoretical CDS spread cannot be expressed in closed form. In the empirical study of Japanese corporate CDSs, we find that the overall term structures of cointegrated CDSs can be explained by a simple two-dimensional VECM of cointegrated hazard rates. Furthermore, we study the pairs trading strategy of CDSs.
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