A General HJM Framework for Multiple Yield Curve Modeling
40 Pages Posted: 17 Jun 2014 Last revised: 8 May 2015
Date Written: June 17, 2014
Abstract
We propose a general framework for modeling multiple yield curves which have emerged after the last financial crisis. In a general semimartingale setting, we provide an HJM approach to model the term structure of multiplicative spreads between (normalized) FRA rates and simply compounded OIS risk-free forward rates. We derive an HJM drift and consistency condition ensuring absence of arbitrage and, in addition, we show how to construct models such that multiplicative spreads are greater than one and ordered with respect to the tenor’s length. When the driving semimartingale is specified as an affine process, we obtain a flexible Markovian structure which allows for tractable valuation formulas for most interest rate derivatives. Finally, we show that the proposed framework allows to unify and extend several recent approaches to multiple yield curve modeling.
Keywords: Multi-Curve Framework, HJM Framework, Interest Rate Derivatives, Basis Swaps, Discounting Curve, Affine Processes
JEL Classification: G13
Suggested Citation: Suggested Citation
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