Explaining Credit Default Swap Spreads With the Equity Volatility and Jump Risks of Individual Firms
43 Pages Posted: 20 Sep 2007 Last revised: 18 Oct 2013
Date Written: August 1, 2008
Abstract
This paper attempts to explain the credit default swap (CDS) premium, using a novel approach to identify the volatility and jump risks of individual firms from high-frequency equity prices. Our empirical results suggest that the volatility risk alone predicts 48 percent of the variation in CDS spread levels, whereas the jump risk alone forecasts 19 percent. After controlling for credit ratings, macroeconomic conditions, and firms' balance sheet information, we can explain 73 percent of the total variation. We calibrate a Merton-type structural model with stochastic volatility and jumps, which can help to match credit spreads after controlling for the historical default rates. Simulation evidence suggests that the high-frequency-based volatility measures can help to explain the credit spreads, above and beyond what is already captured by the true leverage ratio.
Keywords: Credit Default Swap, Credit Risk Premium, Stochastic Volatility, Jumps, Structural Model, Nonlinear Effect, High-Frequency Data
JEL Classification: G12, G13, C14
Suggested Citation: Suggested Citation
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