Risk-Management Methods for the Libor Market Model using Semidefinite Programming
Princeton University - Department of Operations Research and Financial Engineering
Journal of Computational Finance, Vol. 8, No. 4, Summer 2005
When interest rate dynamics are described by the Libor market model as in Brace et al (1997), we show how some essential risk-management results can be obtained from the dual of the calibration program. In particular, if the objective is to maximize another swaption's price, we show that the optimal dual variables describe a hedging portfolio in the sense of Avellaneda and Paras (1996). In the general case, the local sensitivity of the covariance matrix to all market movement scenarios can be directly computed from the optimal dual solution. We also show how semidefinite programming can be used to manage the Gamma exposure of a portfolio.
Keywords: Libor market model, hedging portfolio, Avellaneda and Paras (1996), Brace et al (1997), semidefinite programming , Gamma exposureAccepted Paper Series
Date posted: November 10, 2005
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