Interest Rate Risk in the Banking Book: 2017 Deloitte Survey
Taking a closer look to the BCBS Standards
The updated IRRBB Principles reflect changes in market and supervisory practices due to the current exceptionally low interest rates and provide methods and models to be used by banks in a wider and enhanced risk management framework.
Following the publication in June 2016 of the new Standards on Interest-Rate Risk in the Banking-Book (IRRBB) by the Basel Committee on Banking Supervision, the Deloitte EMEA IRRBB/ALM working group invited European and South African banks to participate to an online survey to assess their current state of readiness against the new Basel standards.
Thirty-seven banking groups, from 10 different EMEA countries, have responded to the survey. The most important results of the survey have been highlighted in a brochure you can download. It will be followed by a white paper which will be published in the upcoming weeks.
The survey is very timely, as the European Central Bank launched its 2017 stress-testing exercise on 28 February 2017, focusing on IRRBB.
The survey, which was undertaken between September and December 2016 across 9 European countries and in South Africa, involved 37 leading banking groups of different sizes (with balance sheets ranging from € 30bn to € 500bn) and types (retail, cooperative, private, investment, commercial and universal banks). The survey focused on the assessment of the banks’ current state practices against the new IRRBB framework provided by the BCBS with six detailed sections and more than 80 specific questions on ALM and IRRBB practices.
- Enhanced disclosure requirements, including the impact of interest rate shocks on the change in economic
value of equity (ΔEVE) and net interest income (ΔNII) based on prescribed scenarios, in order to promote
greater consistency, transparency and comparability in the measurement and management of IRRBB.
- More extensive guidance on expectations for a bank's IRRBB management framework such as: development
of interest rate shock scenarios, consideration of behavioural and modelling assumptions, credit
spread risk measurement, IRRBB Risk Appetite setting for both economic value and earnings, IRRBB inclusion
in the ICAAP by taking account of changes in the economic value of equity and in net interest income.
- Definition of a standardised framework to enhance risk capture and promote the use of common
concepts: supervisors can require banks to implement the standardised approach as a fall-back (e.g.
if they find that a bank does not adequately capture IRRBB). Alternatively, banks can adopt it voluntarily.
- Updated supervisory process in terms of factors which supervisors should consider when assessing a
bank’s level and management of IRRBB exposures.
- Stricter threshold for identifying outlier banks which has been reduced from 20% of a bank's total capital
to 15% of a bank's Tier 1 capital. Supervisors may implement additional tests and must publish criteria
for identifying outlier banks.
Interest Rate Risk in the Banking Book (IRRBB) is the risk to earnings or value (and in turn to capital) arising from movements of interest rates that affect a bank’s banking book positions.
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