Economy March 17, 2026

UK Prudential Regulator Unveils Proposals to Strengthen Bank Liquidity During Rapid Stress

PRA recommends rules ensuring liquid assets can be converted into cash swiftly in the event of a run, focusing on usability rather than higher holdings

By Marcus Reed
UK Prudential Regulator Unveils Proposals to Strengthen Bank Liquidity During Rapid Stress

The Prudential Regulation Authority has published proposals aimed at making sure banks can quickly turn liquid holdings into cash during fast-moving stress events. The reforms prioritize the practical convertibility of assets during a run rather than simply increasing the quantity of liquid assets banks must hold, the PRA said. Sam Woods, the Bank of England’s Deputy Governor for Prudential Regulation and CEO of the PRA, said the update reflects lessons learned in recent years.

Key Points

  • The PRA published proposals to improve banks' ability to convert liquid assets into cash during rapid stress events.
  • The reforms emphasize that liquid assets must be genuinely usable in a run, not just held in larger quantities.
  • Sam Woods, Deputy Governor for Prudential Regulation at the Bank of England and CEO of the PRA, said the update reflects key lessons learned from recent years.

The Prudential Regulation Authority (PRA) on Tuesday set out a package of proposed liquidity reforms aimed at ensuring banks are able to convert liquid assets into cash rapidly when confronted with fast-moving stress events.

At the core of the proposals is a shift in emphasis from mandating larger buffers of liquid assets to confirming that the assets banks already hold would be useable during a run. The PRA said the intent is to ensure that those assets can be monetized quickly in an environment of rapidly deteriorating market conditions, rather than merely increasing the volume of liquid assets on bank balance sheets.

Sam Woods, who serves as Deputy Governor for Prudential Regulation at the Bank of England and is the CEO of the PRA, said the proposed update to the liquidity requirements incorporates key lessons learned from recent years. The PRA framed the reforms as a response to scenarios in which banks face accelerated stress and therefore need to realize cash from their liquid holdings on short notice.

The authority described the reforms as targeted measures to reduce the risk that, in a sudden stress episode, assets labelled as liquid in normal conditions would not be immediately convertible into cash when needed. The PRA emphasised that the proposals are intended to address situations where fast-paced stress events require quick monetization of liquid assets.

Details of the proposals focus on usability in stress, with the regulator noting that the change in emphasis is about practical access to cash during a run rather than simply raising the quantity of liquid holdings banks must maintain. The PRA stated that this approach aims to make liquidity requirements more robust under the kind of rapid market dislocations that can occur in stress events.

The proposals are published for review and reflect the PRA’s stated objective of strengthening the resilience of the banking sector to episodes of sudden stress. The regulator highlighted that the update draws on lessons from recent years while centering on making liquid assets genuinely effective when a bank needs to monetize them quickly.


Summary

The PRA has proposed liquidity requirement changes to ensure banks can convert liquid assets into cash quickly during fast-moving stress events. The focus is on the usability of assets during a run rather than on increasing the volume of liquid assets held. Sam Woods said the update incorporates lessons learned from recent years and aims to address the need to monetize assets rapidly in stress scenarios.

Risks

  • In fast-paced stress events, assets deemed liquid in normal conditions may not be immediately convertible into cash, creating funding risk for banks - affecting the banking sector and financial markets.
  • The effectiveness of the proposed changes in actual stress episodes is uncertain until the proposals are finalized and tested, posing implementation uncertainty for banks and regulators - impacting regulatory and banking operations.

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