Correlation
Study of correlation impact on credit default swap margin using a GARCH–DCC-copula framework
In this paper, the authors establish generalized autoregressive conditional heteroscedasticity–dynamic conditional correlation (GARCH–DCC) and constant conditional correlation (CCC) copula model frameworks to study time-varying correlation among credit…
Mirror-image factors are wiping out quant alpha
Equity momentum and value strategies are cancelling each other out, buy-siders say
Floating start date for 2020 stress test alarms EU banks
Regulator proposal could lead to less reliable market risk data, critics warn
On probability of default and its relation to observed default frequency and a common factor
This paper considers a definition of through-the-cycle as independent from an economic state that can result in a time-varying TTC probability of default.
Asset correlation estimation for inhomogeneous exposure pools
This study investigates the systematic error that is made if the exposure pool underlying a default time series is assumed to be homogeneous when in reality it is not.
Structured products – The ART of risk transfer
Exploring the risk thrown up by autocallables has created a new family of structured products, offering diversification to investors while allowing their manufacturers room to extend their portfolios, writes Manvir Nijhar, co-head of equities and equity…
The future of emerging markets – 30 years on from the launch of the MSCI Emerging Markets Index
For the past 30 years, emerging markets have provided return enhancement and risk diversification opportunities for global equity investors. The opening of the domestic Chinese capital market and its integration into international markets is likely to…
Parameter estimation, bias correction and uncertainty quantification in the Vasicek credit portfolio model
This paper is devoted to the parameterization of correlations in the Vasicek credit portfolio model. First, the authors analytically approximate standard errors for value-at-risk and expected shortfall based on the standard errors of intra-cohort…
An efficient portfolio loss model
This paper develops a parsimonious model for evaluating portfolio credit derivatives dependent on aggregate loss.
How AI could tear up risk modelling canon
BlackRock, MSCI, LFIS among firms looking to replace traditional, linear risk models
A helping hand – Addressing industry concerns
The Basel Committee on Banking Supervision’s final revisions to the FRTB guidelines aim to address industry concerns around complexity and capital implications. A forum of industry leaders discusses whether the changes have been effective and how banks…
Turning the IMA into a competitive advantage
Following the clarification of the FRTB rules in January 2019, financial institutions are now working towards a 2022 implementation deadline, finalising how their trading books will operate under this demanding regulation. Eoin Ó Ceallacháin, head of…
HKEX boosts member credit risk monitoring
Hong Kong exchange’s several hundred clearing members pose complex default risk correlations, says chief risk officer
Can bankers stop the trading book killer?
FRTB won’t obliterate your whole markets business any more, just some very specific parts
Final FRTB tweak ‘will kill correlation trading’, say dealers
Some European banks plan to lobby ECB for relief when rules are transposed to local law
The advance of analytics
Machine learning is coming to analytics but there are hurdles to overcome first, says Aiman El‑Ramly, chief operations officer at ZE PowerGroup
HKEX clearing head talks margin and auctions post-Nasdaq
CCPs have work to do to restore confidence in clearing, but Roland Chai has a plan
The future of operational risk management
As the efficiency of operational risk management remains a top priority and pressure to maximise value increases, emerging technology could prove crucial. Nitish Idnani, leader of oprisk management services at Deloitte, explores how the oprisk management…
Alt risk premia study finds ‘zero alpha’, clear beta to bonds
Vanilla exposures explain as much as two-thirds of returns, authors say
Banks rocked by U-turn on FRTB equity risk weights
Risk managers warn of higher capital charge after Basel reverts to original 2016 treatment
Calling out autocallable pricing
Quants show popular autocallable pricing technique has a flaw that has been ignored until now
Eurostoxx dislocations signal autocall hedging pain
Swings in dividends and volatility reveal year-end stress as European index slump tests “peak vega”
A pairwise local correlation model
In this paper, the authors develop a new local correlation model that uses a generic function 'g' to describe the correlation between all asset–asset pairs for a basket of underlyings.