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| BSLP: Markovian Bivariate Spread-Loss Model for Portfolio Credit Derivatives by Matthias Arnsdorf of JP Morgan, and March 2007 Abstract: BSLP is a two-dimensional dynamic model of interacting portfolio-level loss and loss intensity processes. It is constructed as a Markovian, short-rate intensity model, which facilitates fast lattice methods for pricing various portfolio credit derivatives such as tranche options, forward-starting tranches, leveraged super-senior tranches etc. A semi-parametric model specification is used to achieve near perfect calibration to any set of consistent portfolio tranche quotes. The one-dimensional local intensity model obtained in the zero volatility limit of the stochastic intensity is useful in its own right for pricing non-standard index tranches by arbitrage-free interpolation. Keywords: Portfolio credit risk, default correlation, top-down, credit exotics. Books Referenced in this paper: (what is this?)
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