基于Malliavin方法的凸性调整
Convexity adjustments à la Malliavin
AI总结:
该研究利用Malliavin微积分构建新方法,在单因子Cheyette模型下推导多种经典利率产品的凸性调整近似公式,并验证了其优异的数值精度。
摘要:
本文提出了一种基于Malliavin(马利亚万)微积分的新方法,用于求解各类经典利率产品凸性调整的近似值。Malliavin微积分提供了获取凸性调整模板的简便途径。我们在通用单因子Cheyette模型族下,得到了Futures(期货)、OIS Futures(隔夜指数互换期货)、FRA(远期利率协议)以及CMS(固定期限互换)的凸性调整近似式,且验证了所得公式具备极佳的数值精度。
英文摘要:
In this paper, we develop a novel method based on Malliavin calculus to find an approximation for the convexity adjustment for various classical interest rate products. Malliavin calculus provides a simple way to get a template for the convexity adjustment. We find the approximation for Futures, OIS Futures, FRAs, and CMSs under a general family of the one-factor Cheyette model. We have also seen the excellent quality of the numerical accuracy of the formulas obtained.
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