Basel IV reforms

E434156

Basel IV reforms are a set of international banking regulations that significantly revise capital, leverage, and risk management standards to strengthen the resilience and comparability of banks worldwide.

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Basel IV reforms canonical 1

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Predicate Object
instanceOf banking regulation framework
international regulatory standard
aimsTo enhance comparability of banks’ capital ratios
improve risk sensitivity of capital requirements
reduce excessive variability in risk‑weighted assets
strengthen bank resilience
alsoKnownAs Basel III final reforms NERFINISHED
finalization of Basel III
appliesTo internationally active banks
basedOn lessons from global financial crisis of 2007–2009
developedBy Basel Committee on Banking Supervision NERFINISHED
eliminates advanced measurement approaches (AMA) for operational risk
follows Basel III framework NERFINISHED
geographicScope Basel Committee member jurisdictions and adopters worldwide
implementedVia national and regional legislation and regulation
includesComponent constraints on use of internal models
output floor for internal models
revised credit risk framework
revised leverage ratio framework
revised market risk framework (FRTB linkages)
revised operational risk framework
revisions to credit valuation adjustment (CVA) risk framework
revisions to internal ratings‑based (IRB) approaches
revisions to standardized approach for credit risk
introduces aggregate output floor of 72.5% of standardized capital requirements
leverage ratio buffer for global systemically important banks (G‑SIBs)
standardized and basic approaches for CVA risk
standardized measurement approach for operational risk
links operational risk capital to business indicator and internal loss experience
objective increase robustness of risk‑weighted capital ratios
limit regulatory arbitrage
promote level playing field among banks
prohibits use of IRB approaches for equity exposures
use of advanced IRB for banks and other financial institutions
use of advanced IRB for exposures to large corporates above a size threshold
publicationDate December 2017 (main package)
removes internal model approach for CVA
replaces existing operational risk approaches with standardized measurement approach (SMA)
requires G‑SIBs to hold leverage ratio buffer above minimum leverage requirement
phased‑in implementation over several years
restricts use of advanced internal ratings‑based approaches for certain asset classes
revises credit valuation adjustment (CVA) capital framework
standardized risk weights for credit risk
treatment of off‑balance‑sheet items
treatment of real estate exposures
treatment of specialized lending exposures
setsMinimumLeverageRatio 3 percent for most banks (Basel standard)
setsOutputFloorLevel 72.5 percent

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