Arbitrage-free credit pricing using default probabilities and risk sensitivities

Andreas Blöchlinger

Journal of Banking & Finance, 2011, vol. 35, issue 2, 268-281

Abstract: The relation between physical probabilities (rating) and risk-neutral probabilities (pricing) is derived in a large market with a quasi-factor structure. Factor sensitivities and default probabilities are obtainable for all kinds of credits on historical rating data. Since factor prices can be backed out from market data, the model allows the pricing of non-marketable credits and structured products thereof. The model explains various empirical observations: credit spreads of equally rated borrowers differ, spreads are wider than implied by expected losses, and expected returns on CDOs must be greater than their rating matched, single-obligor securities due to the inherent systematic risk.

Keywords: Arbitrage; pricing; theory; Collateralized; debt; obligation; Esscher's; measure; change; Risk-neutral; default; probability; Generalized; linear; mixed; model (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jbfina:v:35:y:2011:i:2:p:268-281

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