# Tagged Questions

Fixed-income instruments whose price depends in large part upon judgments of the creditworthiness of a corporation or government.

17 views

### How to know if a company actually deposit money into your credit card [on hold]

I took a cruise trip. They are supposed to give some cash back. I called them, they said the money was deposited into my credit card. I didn't see it in my credit card bill. So what can I do if they ...
50 views

### 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 ...
29 views

### 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 (...
5k views

### relation between asset's and equity volatilities - merton model

In terms of Merton credit risk model need to find the initial value of counterparty's assets and the volatility of the assets. Both value are not directly observable thus we have to approximate them ...
14 views

### US Rule versus Actuarial Method for calculating interest

I'm trying to understand the difference between the actuarial method and the U.S. Rule for calculating interest. I think the difference is that the actuarial rule adds unpaid interest to the principal ...
17 views

### First coupon CDO tranche

I am interested in Tranches on Credit Indexes. Let $T$ be the trade date, let $t_1<T<t_2$ be the accrual dates surrounding the trade date. I would like to know which option is correct ? A) ...
36 views

### STCDO upper tranche still paying coupons even after all default

We assume : that a CDO on $n$ names, with a maturity $T$ that at a time $\tau<T$ before the maturity of the CDO, these $n$ names have defaulted, that we are the protection buyer of the 22-100 ...
51 views

### Spread Return and Mean Reversion Model

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2399915 The above paper proposes an interesting method for modeling credit spreads. I have tried to implement it in R but keep obtaining unrealistic ...
134 views

### Best simplified way to model volatility in returns of an investment in a risky fixed income asset

I am currently working on a project where I have analyzed a certain category of fixd income instruments, and I now have the gross aggregate yield as well as the theoretical gross-aggregate default-...
57 views

I would like to understand better the $n^{th}$ to default pair spreads of a basket default swap containing $m>n$ entities. For example, consider 2 single name CDS's with same spread and same ...
231 views

### Validating a Credit Scoring Model without Data

Fellow Quants, Suppose you have a credit scoring model that is developed without the aid of statistics, because (unfortunately) there is no historical default/loss data in your portfolio. The ...
80 views

### Finding Credit Risk Population Data

Are there any free or relatively cheap sources of aggregate data on credit risk for specific geographic regions, ages, and so on?
26 views

### Credit risk terms differences:

What are the differences between these terms: Contingent Credit Exposure Exposure profiles, Settlement Exposure, Negotiable Paper Exposure. Many thanks!
134 views

### How to interpret this CDS spread sensitivity pattern?

From page 27, Table 6: Why are sensitivities of CDS slightly negative before the maturity of the CDS? I do not get the intuition: if I am long a 5-year CDS, the spreads <5y increase, and the ...
31 views

### Modeling credit utilization and stock market growth

I relatively new to financial mathematics but I am wondering if at all there exists a relationship between credit utilization (the rate at which the public accesses credit from financial institutions) ...
39 views

### Calculate and compare IRR among products and companies

I am trying to calculate return on investment for a couple of companies and their respective products. I have two main products: credit card installment loan Owners would like to be able to ...
25 views

### Influencing factors on credit

There was the following question on an exam: Which factors are influencing the effective interest rate of a credit? loan amount fees interest rate running time I would have said ...
24 views

### how does a bond maturing affect the pricing of the corresponding CDS?

if a bond matures, and there is no other existing bond from the legal entity that has not matured. Then how does that affect the CDS that corresponds to that bond?
727 views

### What is a standard credit default swap contract and where can I find spread data? What alternatives exist to judge creditworthiness?

I'm doing some work for a company and one of my tasks is to research credit default swaps on banks and to write a page about them explaining what they are and how they're used to evaluate the banks' ...
2k views

### How is the default probability implied from market implied CDS spreads for CVA/DVA calculation?

From point 38 on P.17 the default probability can be implied from market implied CDS spreads. "Macro Surface" method is mentioned, but I cannot get any clue of what it is? Where do I get the acedemic ...
1k views

### On the interface between Quant finance and actuarial-science/insurance-math

Actuaries (at least in Europe) are frequently severily lacking in quant finance topics. At best they are familiar with B&S model. People going into quant finane or striving to become a quant on ...
135 views

### What are recent important papers on credit portfolio risk modeling?

I'm interested in papers which consider mathematical models of risks of different portfolios of retail credit. This is not my area of research, so I may be misusing some terms. The idea is simple: I ...
208 views

### When do CDS curves yield arbitrage opportunities?

In CDS markets we can sometimes observe inverted CDS curves or unusually steep curves. I am just wondering at what level certain curves become non-realistic. E.g. if we have 500bp for the 1-Year ...
99 views

I have a beginner question in credit quantitative modelling. I would like to know how we can derive forward credit spread curve, i.e the counterparty of forward yield curves. Indeed, for deriving a ...
1k views

### Documentation of the ISDA CDS standard model

I have to validate the use of the ISDA CDS standard model. Don't understand me wrong - I am sure that the ISDA model is "good" I just need to know what it is in detail. I can download an Excel-...
642 views

759 views

### Concentration risk in credit portfolio

How do you model concentration risk of credit portfolio in IRB/Basel II framework?
558 views

### PDF Calculation by Fourier Inversion of Characteristic Function for Affine Intensity Process in Matlab

I'm trying to use the Fourier inversion formula to plot the PDF of an Affine Stochastic Intensity Reduced Form Credit Model, given its characteristic function. The characteristic function of an ...
57 views

### The role of micro credit in finance

The concept of micro credit has been around for a while. Recall that Muhammad Yunus together with Grameen Bank were awarded the Nobel price in this context. I don't have references at hand but I ...
112 views

### Introducing credit risk to an already implemented interest rate model

Do any standard/generic approaches exist on how to extend an interest rate model to incorporate credit risk? The first thing that comes to mind would be to just model the credit spread separately - ...
1k views

### Multi Factor Credit Risk Models

I am working in the area of building credit risk models. Upto this point, the model I have been focused on using the Asymptotic Single Factor Model, more popularly known as Vasicek Single Factor Model....
76 views

How does buying back stock affect a company's credit spread? Would it cause it to get smaller? Any clarification would be appreciated.
595 views

### Interest Rate Swaps on Mortgages [closed]

Is it possible to get interest rate swaps on mortgages? If not, why not? Are there models that describe this? Any direction would be great.
189 views

### moody's credit ratings for senior unsecured bonds

Can 2 senior unsecured bonds from the same obligor have different moody's credit ratings? Or do they both have to have the same rating because they are in the same capital structure? Thanks
4k views

### Quanto CDS modeling

What is the market standard for pricing quanto CDS (i.e. CDS which pays the contingent leg in different currency than the pricing leg)?
851 views

### Credit Valuation Adjustments — computation issues

I'm currently working on my Masters project related to accelerating Greeks computations for CVA on mixed interest rate portfolios. I would like to know about the status of technology for CVA and its ...
581 views

### What is an appropriate hedge ratio for hedging a credit instrument with equity of the same issuer?

Given a bond and a stock issued by the same issuer, what is the appropriate ratio of bond-to-stock one should hold in order to minimize the specific risk to that issuer? Equivalently, what is the ...
2k views

### What is the unit of the Distance to Default measure?

I read in a book that the distance to default of a company is "2.978". Can anyone please tell me what is the unit implied behind this measure? Are they "years" for instance?
400 views

### How to define and measure liquidity or funding premium in credit markets?

Even companies with just a single non-callable corporate bond outstanding will often have CDS quote spreads that differ from the bond quote spread. During the 2008 crisis, there were dozens of cases ...
4k views

### How to estimate probability of default from bond prices?

How do you use bond prices/yields to infer probabilities of default? I would think of it as follows: Create a relationship between default free (e.g., Germany) and defaultable (e.g., Greece) bond ...
444 views

### Stochastic recovery rates

How do I model the randomness of recovery rate given default when pricing credit derivatives?
1k views

### What are the limitations of Gaussian copulas in respect to pricing credit derivatives?

The practice of using Gaussian copulas in modeling credit derivatives has come under a lot of criticism in the past few years. What are the major arguments against using the copula method in this ...