Model risk
Bermudan swaption model risk analysis: a local volatility approach
This paper seeks to contribute a simple and (almost) model-free way of assessing the economic value of the Bermudan exercise right derived from a “minimal” local volatility enhanced interest rate model.
Optimal allocation of model risk appetite and validation threshold in the Solvency II framework
In this paper, the authors derive an analytical solution for sub-SCR VTs starting with a model risk appetite (MRA) that defines acceptable errors for an insurer’s total SCR.
BNP Paribas VAR breaches trigger capital hike
French bank's IHC reports four backtesting exceptions
Fed stress tests: foreign banks lag US on capital estimates
On average, IHCs missed the Fed’s estimates of the amount their CET1 ratios would fall in the 2018 test cycle by 213bp, compared with 109bp by US lenders
New backtests for unconditional coverage of expected shortfall
In this paper, the authors present a new backtest for the unconditional coverage property of expected shortfall.
OCC stands by margin model as regulators investigate
As watchdogs probe Q1 breaches, CCP executives insist margin models worked as intended
Barclays, Credit Suisse stress test estimates stray from Fed’s
The two banks miss the mark on stressed capital ratio by 290bp and 460bp, respectively
Tired of overshooting, BNY Mellon revamps stress test model
Capital distributions crimped by conservative CCAR estimates
Regulators need to adopt AI for monitoring, experts say
Growing bank usage of artificial intelligence means authorities must hasten adoption themselves
Model risk in the transition to risk-free rates
Transition is an opportunity to reduce multi-rate complexities, say Bakkar and Brigo
Banks should quantify loan-loss model risk – academic
Models such as those used for IFRS 9, CECL or CCAR are prone to errors, and should be accounted for
BoE: UK banks falling short on stress-test model risk
Recent guidance on stress-test models could be expanded, says BoE exec
AI models prompt banks to strengthen governance
Risk managers want ‘transparency and clarity’ around AI-based models
Bank of America and BNY Mellon suffer VAR breaches
Trading losses exceeded estimates on a single day at each dealer in the first quarter
Sponsored video: Thomas Lee, Vivo Security
Thomas Lee, chief executive and co-founder of Vivo Security – a start-up firm based in Silicon Valley and sponsors at OpRisk North America – talks about how special the banking industry is to Vivo Security and why its approach to model risk management…
Model risk in the Fundamental Review of the Trading Book: the case of the Default Risk Charge
This paper assesses the model risk associated with the copula choice for the calculation of the Default Risk Charge (DRC) measure.
The top 10 op risks – a field guide
Survey should be read as industrywide attempt to relay and share worries anonymously
Basel op risk modelling blow shifts focus to Pillar 2
Demise of AMA leaves industry needing risk-sensitive approach for calculating top-up capital, says consultant
Bosses escape blame for options blow-up at Swedish bank
Court rules negligence by former managers and auditor of HQ Bank did not cause 2010 licence withdrawal
Governance and organizational requirements for effective model risk management
This paper expands on the foundation of model risk analytics to address the governance, organizational and human behavior challenges associated with enterprise MRM.
HKMA offers fast-track model vetting in swaps hub pitch
Streamlined process could take just six months, says official
Maximising effectiveness with tech
Winners' Circle Q&A: Risk Market Technology Awards 2018 | Murex
A Darwinian view on internal models
In this paper, Paul Embrechts reviews discussions on regulation within banking (Basel III and IV) and insurance (Solvency II and Swiss Solvency Test (SST)) from a historical, personal and academic point of view.