I'm running some stress tests and I have data on equity shocks available. Is there a relationship which, for the same issuer, links the returns of the shares with those of the bonds issued?
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2$\begingroup$ Closest thing that comes to mind is Merton's distance-to-default model. Stock returns enter the model via the volatility term. Bond returns, however, do not (only the level of the debt). It's basically Black Scholes on the total assets of a company with strike equal to the level of debt. $\endgroup$– oronimbusJan 16 at 14:59
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$\begingroup$ It is a complex non-linear time-varying company-dependent relationship, too difficult to model. In general, for a very healthy company (large distance to default) a drop in stock price has almost no effect on bond price. For a sick company, close to finanical default, the bonds will react negatively. $\endgroup$– nbbo2Jan 16 at 19:16
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$\begingroup$ Does this answer your question? Online sources for quantitative finance research $\endgroup$– AlperJan 16 at 21:03
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