Calculates credit risk-weighted assets (RWA) using either the Standardized Approach or Internal Ratings-Based (IRB) approach under Basel III. The Standardized Approach uses external credit ratings and fixed risk weights per asset class. The IRB approach uses bank’s internal estimates of PD (Probability of Default), LGD (Loss Given Default), and maturity. Use this to determine capital requirements for credit portfolios, assess credit risk capital adequacy, and compare standardized vs. IRB treatment.
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List of credit exposures in the portfolio
[
{
"amount": 5000000,
"asset_class": "CORPORATE",
"rating": "BBB"
},
{
"amount": 3000000,
"asset_class": "SOVEREIGN",
"rating": "AA"
}
]Calculation method: 'standardized' uses external ratings, 'irb' uses internal PD/LGD estimates
standardized, irb "standardized"