Technical paper
Opinioni assolutamente flessibili: tra teoria e pratica
Approfondimenti Investment Management
Solvency II Reinsurance - Counterparty default risk
Technical papers
Component VAR for a non-normal world
It has become standard to account for non-normality when estimating portfolio value-at-risk, but there are few methods available to calculate the risk contributions of each component in a non-normal portfolio. Brian Peterson and Kris Boudt present a…
Juggling snowballs
Previous work on the valuation of cancellable snowball swaps in the Libor market model suggested the use of nested Monte Carlo simulations was needed to obtain accurate prices. Here, Christopher Beveridge and Mark Joshi introduce new techniques that…
Delta and vega hedging in the SABR and LMM-SABR models
Riccardo Rebonato, Andrey Pogudin and Richard White examine the hedging performance of the SABR and LMM-SABR models using real market data. As a by-product, they gain indirect evidence about how well specified the two models are. The results are…
Credit remains the focus
Degree of Influence
Putting a dampener on Solvency II
Technical papers
Convexity adjustments in inflation-linked derivatives
Dorje Brody, John Crosby and Hongyun Li value several types of inflation-linked derivatives using a multi-factor version of the Hughston (1998) and Jarrow & Yildirim (2003) model. Expressions for the prices of zero-coupon inflation swaps with delayed…
Component VAR for a non-normal world
Market Risk
Struck off
Credit default swaps (CDSs) offer protection against issuer default, and in general the protection is paid via a running spread rather than upfront. When the par spread changes, the contract cannot be unwound without leaving a default-contingent annuity…
Parameter estimation with k-means clustering
Ever since the pioneering work of Cox, Ross & Rubinstein (1979), tree models have been popular as an asset pricing method. However, statistical estimation of the parameters of tree models has been less studied. In this article, Kiseop Lee and Mingxin Xu…
Mortality fluctuations modelling with a shared frailty approach
Technical papers
Un modello di Vasicek multistato con correlazione tra tassi di default e perdita
Approfondimenti - Rischio di credito
Estimating credit contagion in a standard-factor model
Cutting Edge - Credit Portfolio Risk
Smile dynamics III
In two articles published in 2004 and 2005 in Risk, Lorenzo Bergomi assessed the structural limitations of existing models for equity derivatives and introduced a new model based on the direct modelling of the joint dynamics of the spot and the implied…
Fully flexible views: theory and practice
Attilio Meucci proposes a unified methodology to input non-linear views from any number of users in fully general non-normal markets and perform, among others, stress testing, scenario analysis and ranking allocation. He walks the reader through the…
Crude oil volatility shocks and stock market returns
Research Papers