Credit risk modelling
The Fed’s stress test models are inaccurate. Something has to change
First step for US regulator to improve its bank loss forecasts would be to open up its models to public scrutiny, argue two banking industry advocates

Inside Blackstone’s $150bn private credit business
Talking Heads 2023: Alts giant has around 10% of global market and hopes to expand its reach by porting quant insights from liquid credit

Goldman most threatened by Fed’s rejig of modelled capital charges
End of credit risk modelling and scaling up of SCB’s role could tip six US banks below minimum requirements

Unlocking the power of model ops for risk management gains
With banks coming under pressure to revisit risk models, many are now turning to model operations to bring much-needed improvements to every stage of the risk model lifecycle. A fundamental shift in the way risk models are developed, deployed, monitored…
Norinchukin’s credit RWAs up 31% on early Basel III opt-in
Bank’s standardised charges surge 19-fold following overhaul of models’ scope and parameters
Instabilities in Cox proportional hazards models in credit risk
The authors explore possible instabilities in applying Cox PH models and conduct numerical studies to demonstrate the same linear specification error from APC models an occur in Cox PH estimation.
ING’s Russia loans sour five times faster than UniCredit’s
Risk density of Dutch bank’s Russia portfolio soars from 54% to 229% during 2022
Fed’s climate stress test whips up storm for banks
Long-awaited US climate risk exercise puts tough pressure on banks’ data and models
Small banks set for 2% capital reduction under Basel III
Lower leverage ratio requirements expected to offset Tier 1 capital increases for credit risk and output floor
US banks’ risk-free exposures keep falling
Assets with 0% risk-weighting lowest proportionally since Q1 2020, replaced by riskier exposures
UK banks added £1.6bn to loan allowances in 2022
Increase in set-asides driven by stage-two and stage-three credit-loss reserves
Rabobank closes gap to Basel III after RWA top-ups
Mortgage floor, other model corrections bring forward reforms’ forecast impact
Swedbank takes $3.47bn RWA hit from credit model overhaul
Rejig of IRB models is expected to reduce the bank’s Pillar 2 requirement
US credit risk modellers prepare for life after IRB
Stress tests and economic capital calculations may not carry the same weight as Basel ratio
Lifetime achievement award: Stephen Kealhofer
Risk Awards 2023: KMV co-founder helped usher in a new era of credit risk analysis – at banks and investors
IRB risk-weights highest at smallest EU banks – ECB
Lenders with less than €30 billion in assets consistently report lower risk densities than bigger banks across all modelled portfolios
At US banks, risk-free exposures hit lowest in two years
Just under a third of credit assets carried a 0% risk-weight in Q3
Collateralised exposure modelling: bridging the gap risk
Concentration, leverage and correlations may affect a collateralised equity swap portfolio
F-IRB captured more of EU banks’ credit risk in H1
Gains mostly accrued from bank-modelled A-IRB portfolios
Erste, RBI top up provisions with €258m in overlays
Austrian lenders remain reliant on model supplements as energy squeeze looms
HSBC’s quarterly UK provisions rose 111% in Q3
Uncertainty around interest rates and political stability reflected in model overlays
US Bank cautions on regulators’ TLAC proposal
Risk USA: CRO also says bank is readying credit risk models and business plans for recession
A-IRB to lose credit risk reach under Basel III
Americas banks expected to generate just 40% of RWAs using internal models, from 67% currently
EU banks add overlays as crises evade modelling
Lenders buttress provisions against unpredictable fallout from Russia's invasion of Ukraine