Extracting Correlations from the Market: New Correlation Parameterizations and the Calibration of a Stochastic Volatility LMM to CMS Spread Options
June 16, 2010
We present a new generic method for constructing correlation parameterizations that are always positive definite, and derive new flexible parametric forms.
Furthermore, we use the CMS spread option pricing formula from Kiesel & Lutz to calibrate a stochastic volatility LMM to caplets, swaptions and CMS spread options, and in this way extract the implied correlation information available from the market.
We investigate the performance of several correlation parameterizations and compare the implied correlation matrices with the corresponding empirical correlation matrices.
Number of Pages in PDF File: 30
Keywords: Libor Market Model, Stochastic Volatility, CMS Spread Options, Correlation Calibration, Correlation Parameterization, Historical Foward Rate Correlations
JEL Classification: C13, C14, G12, G13
Date posted: June 5, 2010 ; Last revised: June 16, 2010
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