Technical paper
Correlation and credit VAR
Navneet Arora and Shisheng Qu show that credit VAR in commodity trading is affected not only by the inherent credit risks of counterparties, but also by various correlations among counterparties and between counterparties and commodity prices
Embedded Options - Building bridges
Technical papers
Default and recovery correlations - a dynamic econometric approach
Integrating coherences between defaults and loss given default (LGD) is postulated by Basel II. If there is a positive correlation between the two, separate models for each lead to biased estimates for the LGD parameters, and the economic loss is…
The vanna-volga method for implied volatilities
Option pricing
Trading opportunities in the Nymex frac spread
This article examines the long-term relationship between natural gas and propane futures. Using a technique known as 'frac' spread trading, Mbodja Mougoué and Steven Slack illustrate the opportunities that can occur from using the price fluctuations in…
A matter of attitude
Technical papers
Landesbank BW
Quant Analysis
Bayerische Landesbank
Quant Analysis
Credit Mutuel
Quant Analysis
Natwest International
Quant Analysis
Managing interest rate risk for non-maturity deposits
For many banks, non-maturity deposits represent a significant part of funding. However, there is still no commonly accepted approach to managing such deposits' interest rate risk. Marije Elkenbracht and Bert-Jan Nauta introduce two dynamic hedge…
Der indirekte Blick aus dem Sattel
Der Neueste Stand. Kreditportfoliorisiken
Sorridere alle convessità
Approfondimenti. Volatilità implicita
Operational VAR: meaningful means
Making the assumption that the distribution of operational loss severity has finite mean, Klaus Böcker and Jacob Sprittulla suggest a refined version of the analytical operational value-at-risk theorem derived in Böcker & Klüppelberg (2005), which…
A telling scope
The number of technical articles submitted each year to Risk has stabilised at around 90, and a high proportion of them are still about credit derivatives and credit portfolio risk analysis. In fact, in our Cutting Edge pages and behind the scenes we…