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Finance

UK proposes adjustments to Basel bank trading rules, sticks to 2028 date

Published by Global Banking & Finance Review

Posted on June 19, 2026

3 min read

· Last updated: June 19, 2026

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UK proposes softening Basel bank trading rules, sticks to 2028 date

Overview of Proposed Changes to Basel Bank Trading Rules

Background and Motivation for Rule Changes

LONDON, June 19 (Reuters) - The Bank of England on Friday proposed easing rules governing how banks calculate capital for their trading books, after the U.S. and EU moved to soften the impact on their lenders of global standards introduced in the wake of the 2008 financial crisis.

The rules are part of the Fundamental Review of the Trading Book (FRTB) within the international Basel III standards that are to strengthen risk measurement in banks' trading and make sure their capital accurately reflects the risks they take.

Details of the BoE's Proposal

The BoE's Prudential Regulation Authority said its proposals would make it easier for banks to use an internal model to calculate capital, rather than a standardised approach, with lower overall requirements. 

It said it was carrying out a public consultation on the proposals.

Consultation Paper Insights

In the consultation paper published on Friday, the PRA said monitoring of the global implementation of FRTB had identified areas where "targeted adjustments could improve the proportionality and operational effectiveness of the framework, while maintaining robust prudential standards".

Delay and Uneven Implementation

DELAY AND UNEVEN IMPLEMENTATION

The U.S. Federal Reserve in March announced sweeping proposed changes to Basel III which included significant changes to the trading risk rules, easing some of the constraints on the use of internal models. 

In June, the European Union said it would temporarily relax parts of the framework, citing the need to protect EU banks’ international competitiveness.

Impact and Timeline for UK Banks

Under its proposed changes, the PRA reckons an additional £1.9 million ($2.51 million) to £3.8 million in capital per year will be returned to each bank. The FRTB provisions on internal models come into effect in January 2028. 

The PRA said it would extend the period before a key test begins to affect banks’ capital, giving regulators more time to assess how it works in practice and delivering a more "risk-sensitive" framework.

Statements from UK Regulators

Sam Woods, Deputy Governor for Prudential Regulation and Chief Executive Officer of the PRA, said the rules mark the last piece of the post-financial crisis reforms. The rest of the Basel regulatory package comes into force in January 2027. 

 "We’ve allowed some extra time to implement this last set of rules in order to be able to take account of how they are being implemented elsewhere – today’s proposals do that, while ensuring that trading activities by banks in the UK are appropriately capitalised," Woods said. 

Additional Information

($1 = 0.7557 pounds)

(Reporting by Yamini Kalia in Bengaluru and Phoebe Seers in London; Editing by Harikrishnan Nair and Emelia Sithole-Matarise)

Key Takeaways

  • The PRA confirms a January 1, 2028 start for the FRTB‑IMA, allowing banks to continue using existing internal risk models through the 2027 interim period (bankofengland.co.uk).
  • Implementation of other Basel III: Finalising post‑crisis reforms (Basel 3.1), including ASA, SSA and trading book boundary, proceeds on January 1, 2027 (caproasia.com).
  • The PRA proposes four targeted adjustments: operational simplifications for CIUs, a permissions regime for residual risk add‑ons, delayed FRTB‑IMA, and transitional reporting/disclosures – all aimed at improving proportionality and operational effectiveness (bankofengland.co.uk).

References

Frequently Asked Questions

What changes has the UK proposed to Basel bank trading rules?
The UK has proposed extending the accuracy test on banks' internal risk models and other targeted adjustments to improve the framework's effectiveness.
When will the updated Basel III rules for trading books take effect in the UK?
Britain's PRA has confirmed the implementation of Basel III trading book rules will start in January 2028.
Why is the UK maintaining a 2028 implementation date for Basel trading rules?
The UK wants to align with other jurisdictions and ensure the competitiveness of British-based banks, now that global timelines are clearer.
What is the internal model approach (IMA) mentioned in the article?
The IMA allows banks to use their own approved risk models to determine how much capital they must hold against trading risks instead of using a standard method.
How are regulatory approaches in the US and EU influencing the UK's Basel III rule changes?
Both the US and EU announced adjustments and temporary relaxations to their frameworks, influencing the UK's decision to stick to its 2028 implementation with some proposed refinements.

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