A Hybrid Model for Pricing and Hedging of Long Dated Bonds

Jan Baldeaux, Man Chung Fung, Katja Ignatieva and Eckhard Platen ()
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Man Chung Fung: Australian School of Business, University of New South Wales
Katja Ignatieva: Australian School of Business, University of New South Wales

No 343, Research Paper Series from Quantitative Finance Research Centre, University of Technology, Sydney

Abstract: Long dated fixed income securities play an important role in asset-liability management, in life insurance and in annuity businesses. This paper applies the benchmark approach, where the growth optimal portfolio (GOP) is employed as numeraire together with the real world probability measure for pricing and hedging of long dated bonds. It employs a time dependent constant elasticity of variance model for the discounted GOP and takes stochastic interest rate risk into account. This results in a hybrid framework that models the stochastic dynamics of the GOP and the short rate simultaneously. We estimate and compare a variety of continuous-time models for short-term interest rates using non-parametric kernel-based estimation. The hybrid models remain highly tractable and fit reasonably well the observed dynamics of proxies of the GOP and interest rates. Our results involve closed-form expressions for bond prices and hedge ratios. Across all models under consideration we find that the hybrid model with the 3/2 dynamics for the interest rate provides the best fit to the data with respect to lowest prices and least expensive hedges.

Keywords: Long dated bond pricing; stochastic interest rate; growth optimal portfolio; nonparametric kernel (search for similar items in EconPapers)
Pages: 34 pages
Date: 2014-03-01
New Economics Papers: this item is included in nep-fmk and nep-ias
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Published as: Baldeaux, J., Fung, M. C., Ignatieva, K. and Platen, E., 2015, "A Hybrid Model for Pricing and Hedging of Long Dated Bonds", Applied Mathematical Finance, 22(4), 366-398.

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Related works:
Journal Article: A Hybrid Model for Pricing and Hedging of Long-dated Bonds (2015)
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