Decision and Details
Change in the calculation method for the capital adequacy ratio
To use internal data to calculate credit risk and operational risk more precisely and reflect changes in risk more appropriately in the capital adequacy ratio. To enhance the risk management framework and improve soundness, transparency and services.
| Item | Details |
|---|---|
| Matter Covered | Change in the calculation method for the capital adequacy ratio |
| Decision Date | 31 March 2026 |
| Implementation Date | Application from the calculation as of the end of March 2026 (scheduled start of application) |
| Period Covered | Calculations of the capital adequacy ratio as of the end of March 2026 and thereafter |
| Reason | To use internal data to calculate credit risk and operational risk more precisely and reflect changes in risk more appropriately in the capital adequacy ratio. To enhance the risk management framework and improve soundness, transparency and services. |
| Future plans | The ratio is scheduled to be disclosed in mid-May 2026 |
Items this document does not state (6)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.To use internal data to calculate credit and operational risk more precisely and appropriately reflect changes in risk in the capital adequacy ratio. The change is also intended to enhance the risk management framework and improve the bank’s soundness, transparency and customer services.