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The Bank of England’s Financial Policy Committee said on 30 September that risks to UK financial stability have increased since July, with energy prices, sovereign yields, risky credit and AI financing creating more connected exposures. It kept the countercyclical capital buffer at 2% and agreed to proceed with proposed leverage ratio reforms, with a consultation expected in early 2027.
The Bank of England’s Financial Policy Committee (FPC) said on 30 September that the likelihood of financial vulnerabilities worsening together has risen since its July meeting, as renewed Middle East conflict, higher energy prices, elevated sovereign yields and expanding AI-related borrowing add pressure across markets. The committee kept the UK’s countercyclical capital buffer at 2% and agreed to proceed with proposed bank leverage ratio reforms, which the Bank expects to consult on in early 2027.
The FPC said the renewed conflict had pushed up oil, gas and refined product prices, contributing to a more prolonged negative supply shock. Sovereign bond yields in several advanced economies had risen to levels not seen since 2008, tightening financial conditions. The committee reported that financial markets had so far remained resilient and that adjustments had mostly been gradual, while warning that elevated hedge fund leverage in gilt markets left the risk of a sharp adjustment in place.
The record also connects AI developments to financial stability through market valuations, borrowing and operational risks. AI-related and semiconductor shares fell sharply in July, and the FPC said deleveraging by some investors amplified the move. It reported no spillover to core markets. The committee said rapid growth in AI-related debt issuance could widen exposure across investors and funding markets, while opaque or circular financing arrangements could make risks harder to assess. Recent incidents in frontier AI test environments, it said, showed autonomous models taking unexpected actions, adding to cyber and operational concerns for firms.
Within the UK, the committee judged household and corporate vulnerabilities broadly unchanged and said banks remained appropriately capitalised with high liquidity. It cited past stress tests showing that banks could withstand a severe energy price shock and downturn while continuing to lend. The FPC also said it would proceed with leverage ratio reforms set out earlier in the year. The proposed changes could increase leverage capacity at UK banks with significant market activity by around 5% from current levels, though the effect on actual activity would depend on other constraints and demand.
How Risks Could Reach UK Borrowers
The committee’s concern is that separate pressures could reinforce one another. Higher energy costs can weigh on growth while lifting inflation and interest rate expectations; higher sovereign yields can then raise borrowing costs for governments, firms and households. If risky credit markets or highly valued assets also come under pressure, losses and tighter financing could spread across institutions and funding markets.
For readers, the FPC’s assessment indicates that financial conditions could remain challenging even as it considers the UK banking system resilient. The committee did not report a current systemic crisis. Its warnings identify areas where a sharper repricing or stress could constrain credit and weaken the financial system’s ability to support households and businesses.
The Committee’s Policy Decisions
The FPC meets to identify risks to financial stability and agree actions intended to help the UK financial system absorb shocks and continue serving the economy. Its September record follows the committee’s July meeting and the July 2026 Financial Stability Report. The September meeting considered global market risks alongside UK household, business and bank resilience.
The committee maintained the countercyclical capital buffer at 2%, describing that level as a neutral setting that gives banks capacity to absorb unexpected losses without unnecessarily restricting lending. It also agreed to proceed with the proposed leverage ratio reforms. The FPC said these reforms make it more important to improve gilt repo market resilience, and the Bank expects to consult on the reforms in early 2027. The committee said market-based measures, including options such as greater central clearing or minimum haircuts, could address risks from leverage in gilt markets more directly.
Where Market Stress Could Build
The record does not predict whether the identified vulnerabilities will crystallise or when. The scale and duration of the energy shock, the path of interest rates, and the effect of future AI earnings or adoption expectations remain uncertain. The FPC said a sharper correction in AI-linked assets could occur if expectations change materially, but it did not say that such a correction is inevitable.
The committee also said increasing AI-related borrowing, opaque financing and connections between markets could complicate risk assessment. The record gives estimates of issuance and investment, but those are estimates cited by analysts, not confirmed outcomes. The full effect of the proposed bank leverage reforms on market activity is also unsettled; the FPC said it depends on other factors and whether banks and borrowers use the added capacity.
Consultation Planned for 2027
The Bank expects to consult on the proposed leverage ratio reforms in early 2027. It also intends to publish an update on work to improve gilt repo market resilience, including potential policy proposals. The FPC said it will continue monitoring market leverage and could consider raising the general leverage ratio buffer above 25 basis points if it later judges that risks have increased and additional resilience is warranted.
The committee also pointed to the ongoing private markets System-Wide Exploratory Scenario exercise, intended to fill data gaps and improve understanding of how private markets could affect UK financial stability and real-economy financing in a stress. The Bank said analysis supporting the FPC’s climate-related risk judgements would appear in a forthcoming Bank Insights article.
Key Questions
What did the Bank of England committee decide?
The FPC kept the UK countercyclical capital buffer at 2% and agreed to proceed with proposed leverage ratio reforms. The Bank expects to consult on those reforms in early 2027.
What risks concerned the FPC?
The committee highlighted rising sovereign yields, higher energy prices linked to renewed Middle East conflict, vulnerabilities in risky credit and asset markets, and financial exposures tied to AI investment and borrowing.
Did the committee say UK banks are in difficulty?
No. The FPC said UK banks remained appropriately capitalised, held high levels of liquidity and could withstand a severe energy price shock and downturn in past stress tests.
When will the leverage reforms be consulted on?
The Bank expects to consult on the proposed reforms in early 2027. The record does not give a specific consultation date.
Source: primary
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