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Questions tagged [credit-ratings]

The credit rating is a qualitative evaluation of the credit worthiness of a borrower (consumer, company or government) done by a rating agency, a credit bureau or a bank that consists of an estimate of the borrower's capacity to to pay back the debt.

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12
votes
4answers
15k views

Are public historical time series available for ratings of sovereign debt?

The nice list of free online data sources What data sources are available online? does not mention any data from ratings agencies. Are historical time series available for sovereign credit ratings (...
5
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4answers
3k views

Credit Rating or Probability of Default from Financial Ratios

Does anyone know of any papers about credit rating development or probability of default estimation done based on financial ratios that also include methodology and maybe good/bad criteria? Something ...
3
votes
1answer
1k views

Scaling of a transition matrix

I am working on a ratings transition matrix and I wondered how people scale it down to shorter time periods (although one should more or less stick to the estimation period i know). It is clear that ...
4
votes
0answers
273 views

Credit Rating vs Bond Yield

I am looking for some references on quantifying the dependence between credit rating and bond yield. I have some data (found some Bloomberg indices which give average yield based on credit rating), ...
3
votes
3answers
866 views

Interpolating probabilities of default

I have a table of cumulative probabilities of default of industrial bonds, in time and credit rating. It is similar to S&P whitepaper here. Basically, it looks like this (sample numbers): ...