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The Bank of England’s Financial Policy Committee said the likelihood of interconnected vulnerabilities crystallising in the financial system has risen since July 2026. It flagged sovereign yields at levels not seen since 2008, rapid AI-related debt issuance, and cyber and operational risks from frontier AI incidents, while judging UK households, businesses and banks resilient.
The Bank of England’s Financial Policy Committee (FPC) has warned that the likelihood of interconnected vulnerabilities in the financial system crystallising has risen since its previous meeting in July 2026. In the record of its 25 September 2026 meeting, published on the Bank’s website, the Committee pointed to the re-escalation of the Middle East conflict, sovereign bond yields at levels not seen since 2008, and a rapid increase in AI-related debt issuance as intensifying risks that could strike at the same time.
The FPC said the re-escalation of the conflict in the Middle East and associated rises in oil, gas and refined product prices were producing a more protracted negative supply shock to the global economy. This has contributed to sustained increases in sovereign bond yields across a number of advanced economies. The financial system has so far been resilient to these moves, with market adjustments mostly gradual, the Committee judged. However, hedge fund leverage in the gilt market, while stable, remains elevated, and deeper interconnections between vulnerabilities mean the risk of a sharp adjustment persists — underlining, in the FPC’s words, the importance of the Bank’s work on gilt repo market resilience.
Equity markets in aggregate have been resilient to rising yields and tighter financial conditions, but equity valuations for AI companies fell sharply in July. The Committee said the scale of the adjustment was amplified by an unwinding of stretched positions and deleveraging, and that despite significant losses for some leveraged investors with concentrated positions, there was no spillover to core markets. Concerns about the sustainability of AI-related earnings and capital expenditure growth may have contributed to market sentiment, the record noted.
On AI financing, the FPC said financing of AI-related investment continues to grow rapidly and is expected to remain on a strong upward trajectory. An increasing volume is being funded through debt issuance, with global AI-related issuance in 2026 expected to exceed that of countries such as the UK. The Committee warned that increasing indebtedness of AI firms, combined with opacity and at times ‘circular arrangements’ in this financing, can complicate risk assessment and could amplify losses if expectations disappoint. It added that growth prospects and fiscal outlooks depend in part on expectations of AI-driven productivity gains, meaning a reassessment could affect both AI-related asset valuations and sovereign debt markets. Risky credit markets, including parts of private credit, remain vulnerable to tighter financing conditions, the FPC said, pointing to the private markets System-Wide Exploratory Scenario (PM SWES) exercise underway to fill data gaps.
Stakes of Simultaneous Risk Crystallisation
The Committee’s central warning is not any single vulnerability but the growing chance that several hit at the same time. Sovereign debt market stress, stretched asset valuations and risky credit markets are increasingly interlinked, meaning a shock in one — for instance a disappointment in AI earnings or adoption — could transmit to sovereign bonds and private credit simultaneously. That matters for UK readers because past stress test results, cited by the FPC, show the UK banking system would be resilient to a scenario with higher energy prices. The Committee judged that households and corporates remain resilient and the banking system is appropriately capitalised with high levels of liquidity — a domestic buffer against global turbulence. The record also signals supervisory pressure on firms: the FPC underscored that frontier AI test-environment incidents, where autonomous models have taken unexpected actions, reinforce its calls for firms to prepare for AI-related cyber and operational risks, including by engaging with the National Cyber Security Centre and sector groups such as the Cross Market Operational Resilience Group, the Frontier AI Information Sharing Forum and the AI Consortium.
From July’s Outlook to September’s Worsening
The FPC meets regularly to identify risks to UK financial stability and agree policy actions to safeguard the resilience of the financial system. The September record states plainly that the risk outlook has worsened since July 2026, driven primarily by the re-escalation of the Middle East conflict, which renewed uncertainty around growth and the path of interest rates in a number of advanced economies. July also saw the sharp fall in AI company equity valuations referenced in the record, an episode the FPC has now formally assessed as amplified by deleveraging but contained within leveraged, concentrated investors. The Committee’s ongoing workstreams — the gilt repo market resilience programme and the PM SWES exercise on private markets — reflect vulnerabilities it has flagged in previous cycles that it now considers more likely to interact.
What the Record Leaves Open
The record is a risk assessment, not a prediction, and several judgements are hedged. The FPC said concerns about AI earnings sustainability ‘may have contributed’ to July’s market falls — causation is not established. The risk of a sharper equity correction ‘persists’, notably if there is a more significant shock to earnings expectations, but the Committee does not quantify that risk. Whether elevated hedge fund leverage in the gilt market unwinds sharply depends on conditions the FPC cannot forecast. The full implications of AI-related debt opacity and circular financing arrangements are also unclear: the Committee said these features complicate risk assessment, implying regulators themselves lack a complete picture. Outcomes of the PM SWES exercise are not yet available.
Watch List Through the Year End
The Committee stressed the importance of timely and careful management of the intensifying risks. Key follow-ons include the Bank’s continuing work on gilt repo market resilience, progress of the private markets System-Wide Exploratory Scenario exercise to fill data gaps on private credit, and expected firm-level engagement with regulator and NCSC guidance on AI-related cyber and operational risks. The FPC’s next scheduled record, typically following its subsequent policy meeting, will show whether sovereign yields stabilise, whether AI-related issuance keeps expanding at the projected pace, and whether any spillovers from leveraged positions emerge.
Key Questions
What did the FPC conclude in September 2026?
It judged that the likelihood of interconnected financial vulnerabilities crystallising has risen since July, driven by the re-escalation of the Middle East conflict, elevated sovereign bond yields, rapid AI-related debt issuance and AI-related cyber and operational risks.
Is the UK financial system in trouble?
Not according to this record. The FPC said the financial system has so far been resilient, UK households and corporates remain resilient, and the UK banking system is appropriately capitalised with high levels of liquidity and has passed stress tests involving higher energy prices.
Why is the FPC worried about AI?
Two reasons: AI-related investment is increasingly funded through debt issuance — expected in 2026 to exceed the issuance of countries such as the UK — with opacity and circular arrangements that complicate risk assessment; and frontier AI test-environment incidents highlight cyber and operational risks for firms.
What happened to AI equities in July 2026?
Per the record, AI company equity valuations fell sharply, amplified by unwinding of stretched positions and deleveraging. Some leveraged investors with concentrated positions suffered significant losses, but there was no spillover to core markets.
What is the PM SWES exercise?
The private markets System-Wide Exploratory Scenario is an ongoing exercise the FPC highlighted as a way to fill data gaps and improve understanding of how private credit — an important source of real-economy financing — might be affected in a stress scenario.
Source: primary
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