# Tagged Questions

The risk that a borrower will default on any type of debt by failing to make required payments and that the corresponding lender suffers a loss.

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### Systematic credit-risk factor estimation / retail portfolio

I have a question in the field of credit risk models. I work in a small bank, and we are planning to establish the IRB Approach (Credit Metrics). For this reason, I need to estimate systematic risk ...
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### Calibration Merton Jump-Diffusion

Consider the following SDE $dV_t = rV_tdt +\sigma V_t dW_t + dJ_t$ where $J_t$ is a Compound poisson process with log-Normal jump size $Y_i$. How am I supposed to calibrate this model to CDS spreads?...
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### Data of Credit Migration Matrices

Please advise that how to get the data of credit migration matrices There is a paper of credit migration matrices, I would import the data to Matlab or R for credit analysis. https://www....
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### Can CreditGrades CDS Pricing Model be used for financial firms?

For Canadian banks, the CDS market is very illiquid and inactively traded. I want to get an estimate for the spread for a one year CDS on the Bank of Montreal. I was going to estimate this using the ...
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### How do you quantify credit risk?

I am trying to figure out how to quantify the change in price on a bond for a change in credit risk. I'm not even sure how to quantify a change in credit risk, but I'm thinking possibly something ...
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### What makes IRC a market risk?

Since modeling leaves complete freedom we can assume both market and credit risks can enter the picture. However the minimum requirement is (migrations and) defaults simulation, how does this ...
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### Credit Risk Modelling for Portfolio of Bonds and CDS's

I have a portfolio of bonds and CDS's. I want to compute some statistical measures (VaR, CVaR, CreditVaR) which may help access the risk of the portfolio. So far, I have used the CreditMetrics (...
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### How to build a rating two-year transition matrix?

My question concerns not how to estimate a two-year transition matrix, but how to derive it from raw data. Let me explain... By means of Markov chain I can provide an estimation of a two-year ...
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### Calculating the CVA of a Forward Contract

I am having trouble calculating the CVA of a forward contract. The question is presented below Question: There exists a long forwards position underlying on gold with 2 years remaining. The ...
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### Market Price of Risk in EDF Model

Consider Moody's Expected Default Frequency (EDF) model. To arrive from risk-neutral default probabilities to real-world default probabilities, we need to know ...
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### Investment Grade Bond vs Junk Bond, whose duration is larger?

Just wondering how to calculate duration when take credit risk into consideration. I think if duration is calculated as weighted average of cashflow time, and weights are calculated using present ...
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### What happens when collateral value fluctuates?

Under a Credit Support Annex, what happens when the posted collateral looses value beyond that of the haircut? e.g. I post \$62,500 in bonds in response to a \$50,000 collateral call with a 20% ...
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### Is credit exposure conditional on default?

Credit exposure defines the loss in the event of a counterparty defaulting, and expected exposure is the average of all credit exposures. BUT When adjusting the CVA calculation to account for wrong-...
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### Why can't marginal CVA be used in pricing?

"Marginal CVA may be useful to breakdown a CVA for any number of netted trades into trade-level contributions that sum to the total CVA. Whilst it might not be used for pricing new transactions (due ...
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### Credit exposure of a long CDS

According to Gregory, the exposure for. the long party of a credit default swap increases in its early years and then skyrockets when there is a credit event of the reference entity. I would have ...
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### Why does the credit exposure of a forward increase with time

According to Gregory, the most obvious driving force behind credit exposure is future uncertainty. He characterizes the credit exposure of a forward contract as increasing with time; where exposure is ...
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### How to compute the volatility for the Merton's Model for Private firm?

After one day of research i did not figured how to compute the input volatility for PRIVATE COMPANY in order to calculate the PD. My goal is to compute the PD of each of my company in my portfolio, ...
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### Number of simulations for Monte Carlo CVA

Assuming we are calculating CVA across a netting set with a Monte Carlo methodology: 1) How many future dates ("horizons") would be typical - or does that depend entirely upon the composition of the ...
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### Want to understand the links and relationship between all the risk metrics?

For Example : if Risk weighted asset (RWA) increased or decreased this month, which other risk metrics could have influenced RWA to increase or decrease. Also in different situations like, upward ...
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### How are netting sets determined for CVA calculation?

In his book, Gregory describes a netting set as a set of trades that can be legally netted together in the event of a default Obviously, the netting agreements (as per ISDA master agreement) ...
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### What are the canonical references on wholesale credit risk management?

I am trying to read up on "Wholesale credit risk ", but I can't find any useful references. Why is the emphasis on wholesale?
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### Bayesian logit model in Psychometric or Behavioural Testing for Credit Scoring in Developing Countries

A lot of parameters in one title, I know. So there's credit scoring but not using credit history. Then there's using a Bayesian logit model. Then there's doing so in a developing country such as Haiti ...
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### conferences for credit portfolio managers

What are worth conferences for credit portfolio managers? I appreciate your recommendations! PS:I am aware that this question is not the typical quant.SE question, BUT I couldn`t find reliable ...
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### What structural model does Reuters use for default probability?

When using Reuters, for each listed company there is credit tab that shows relevant information in terms of credit default. There is also rating class as well as one year default probability. It is ...
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### References for PD / LGD estimates of low-default portfolios

Any recommendations or reading sources for estimating individual PDs and LGDs for a set of low-default assets (souvereigns, investment grade corporates)? Since observing no defaults at all, regular ...