Technical paper
Realisable group diversification effects
Technical papers
Un approccio unificato
Capitale economico
Copule archimediane implicite nei dati di mercato
Approfondimenti. Derivati creditizi
Confidence intervals for corporate default rates
Rating agency default studies provide estimates of mean default rates over multiple time horizons but have never included estimates of the standard errors of the estimates. This is due, at least in part, to the challenge of accounting for the high degree…
Looking forward to back testing
With increasing challenges to measure value-at-risk and meet high regulatory requirements, the focus has turned to back testing as a way of assuring models' adequacy. Carsten S Wehn proposes a new regime of back testing, combining state-of-the-art…
A bridge between mortgage TBA options and swaptions
Interest Rates
Valuing CDOs of ABSs
Charles Smithson and Neil Pearson discuss the valuation of collateralised debt obligations (CDOs), with a close look at CDOs of subprime residential mortage-backed securities
Portfolio modelling of counterparty reinsurance default risk
Technical papers
Information derivatives
This paper considers the problem of creating derivatives to provide tailored exposure to volatility risk
Counterparty risk and CCDSs under correlation
Counterparty risk under correlation is relatively unexplored in the financial literature. Damiano Brigo and Andrea Pallavicini extend previous analysis beyond swap portfolios. A stochastic-intensity jump-diffusion model is adopted for the default event,…
Vix option pricing in a jump-diffusion model
Artur Sepp discusses Vix futures and options and shows that their market prices exhibit positive volatility skew. To better model the market behaviour of the S&P 500 index and its associated volatility skew, he introduces the stochastic dynamics of the…
Information derivatives
Andrei Soklakov considers the problem of creating derivatives to provide tailored exposure to volatility risk. Information theory leads us to a whole class of such products. This class of 'information derivatives' includes the standard volatility…