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【金融系學術講座】Dual-Curve SABR-LMM Model for Post-Crisis Interest Rate Derivatives Markets
日期: 2018-12-18

Abstract:???

We decompose the three-month LIBOR rate into the OIS forward rate and the “discrete loss rate”, which represents the risk-free component and the default-risk component, respectively, and model them simultaneously using some popular dynamics for interest rates. In particular, we adopt the CEV dynamics with stochastic volatility and establish the dual-curve version of the combined LIBOR market model and stochastic alpha beta rho (LMM-SABR) model. LIBOR of other tenors can be constructed by properly making use of the risk premiums associated to LIBOR panel review. Closed-form pricing formulae are developed for caplets and swaptions under the dual-curve SABR model, along the approach of heat kernel expansion.

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Biography:

Lixin Wu earned his PhD in applied mathematics from UCLA in 1991. He co-developed the PDE model for soft barrier options and the finite-state Markov chain model for credit contagion. He is, perhaps, best known in the financial engineering community for a series of works on market models, including an optimal calibration methodology for the standard market model, a market model with square-root volatility, a market model for credit derivatives, a market model for inflation derivatives. He has published a book, "Interest Rate Modeling: Theory and Practice" through Chapman Hall. His recent research interests include a dual-curve SABR market model for post crisis derivatives markets and the topic of xVA.


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