Internal ratings-based (IRB) approach
Nordea’s credit RWAs surge €19bn as ECB approves new retail models
Revised risk-weightings for mortgages drive sharp rise in credit risk
New CRE model adds $1.8bn to UBS’s RWAs
Swath of exposures moved from standardised to IRB approach in the second quarter
Random survival forests and Cox regression in loss given default estimation
The authors put forward a loss given default model which incorporates the survival process and illustrate their approach with real mortgage data.
NatWest securitisation RWAs hit record high in Q2
Higher amounts of significant risk transfers originated by the bank behind latest increase
Shift to SEC-SA pushes Helaba’s charges for securitisation exposures to record high
Standardised RWAs account for 63% of the bank’s total following fivefold increase
Capital rules explain leverage craving in US bank risk transfers
Tougher requirements have led to conservative structuring and lower coupons
European regulators turn up the heat on IFRS 9 model overlays
After warnings from EBA and BoE, risk managers urge ‘soul-searching’ on post-model adjustments
Climate capital in the balance as EBA rejects green risk weights
European regulator suggests climate change must be factored into existing risk categories
Metro Bank bets the house on lending pivot
New portfolio will need to grow quickly to avoid squeezing net interest margins, say experts
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
Banks slam zombie floors in Basel endgame proposal
US regulators double down on capital floors despite clampdown on internal models
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
Five banks lowballed loan losses in latest DFAST
Banks project $23bn smaller hit to loan portfolios, with Wells Fargo and Citi the most off-target
Partial relief for synthetic securitisation in final EU rules
Internal model banks will see punitive multiplier reduced, but standardised banks miss out
Plumb job: can Basel III unblock US credit risk transfer?
Deals from G-Sibs have slowed in recent years due to regulatory confusion over capital relief
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
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
F-IRB captured more of EU banks’ credit risk in H1
Gains mostly accrued from bank-modelled A-IRB portfolios
EBA: more climate risk supervisory reporting is coming
Official anticipates effort to identify climate impact on internal models, concentration risk