Bank of England warns of growing risk that AI bubble could burst
The Bank of England’s Financial Policy Committee warned that soaring valuations of AI firms could trigger a sudden market correction, threatening households, businesses and the UK financial system. It also highlighted risks from US Federal Reserve credibility challenges and broader geopolitical ten…
The Bank of England’s Financial Policy Committee (FPC) issued a stark warning on Wednesday that the rapid escalation of valuations for artificial‑intelligence (AI) companies may be setting the stage for a sharp correction in global equity markets. In its latest assessment, the committee highlighted that the "risk of a sudden correction has increased" and that the UK, as an open economy with a major financial centre, could feel material spill‑over effects from any such shock.
AI valuations have surged to historic levels
Over the past twelve months, investor enthusiasm for AI has translated into dramatic jumps in market capitalisation for several high‑profile firms. OpenAI, the creator of the ChatGPT series, saw its valuation climb from roughly $157 billion in October 2023 to about $500 billion at the time of the FPC’s report. Anthropic, another generative‑AI start‑up, more than doubled its worth, moving from $60 billion in March to $170 billion a few months later. These figures place AI‑focused companies among the most valuable tech entities worldwide, despite many still operating at a loss.
Bank officials warned that equity market metrics suggest these valuations are “stretched”, especially for firms whose future earnings are predicated on continued AI hype. If investor sentiment were to shift, the committee cautioned that “a sudden correction could occur”, potentially drying up finance for households and businesses that rely on equity market wealth effects.
Underlying risks that could trigger a correction
Several factors could undermine the current AI boom. A recent study by the Massachusetts Institute of Technology (MIT) found that 95 % of organisations report zero return on their generative‑AI investments, raising doubts about the technology’s near‑term profitability. The FPC noted that such findings could force a re‑evaluation of the high earnings expectations baked into current stock prices.
Beyond disappointing adoption rates, the committee identified material bottlene‑cks that could slow AI progress: constraints in power supply, data availability, and critical commodity supply chains. Moreover, any breakthrough that alters the architecture of AI models—such as a shift away from large‑scale GPU farms to more efficient alternatives—could reshape infrastructure spending forecasts, further pressuring valuations.
US monetary policy and geopolitical backdrop
The FPC also turned its attention to the United States, where ongoing political rhetoric has targeted the Federal Reserve’s independence. Statements from the Trump administration have repeatedly questioned the central bank’s credibility, a factor the committee believes could spark a “sharp repricing of US dollar assets” if market confidence erodes. Such a scenario could increase volatility in US sovereign‑debt markets, raise risk premia, and generate global spill‑overs that affect the UK’s financial system.
In addition, the committee referenced the broader impact of the Trump administration’s trade policies, noting that the full effects of recent trade wars have yet to be realised. Combined with doubts over US monetary policy, these geopolitical tensions add another layer of uncertainty to an already volatile global financial environment.
Potential consequences for the UK economy
As a major global financial hub, the United Kingdom is particularly exposed to cross‑border shocks. A rapid unwind of AI‑related equity positions could depress asset prices, tighten credit conditions, and reduce wealth effects that support consumer spending. Moreover, a sharp re‑pricing of US dollar assets could affect the pound’s exchange rate, import costs and inflation dynamics, complicating the Bank of England’s own policy decisions.
The FPC’s warning is not a call for immediate policy action but rather an alert to market participants and policymakers that the current optimism may be overlooking significant downside risks. By flagging these concerns, the committee hopes to encourage more robust risk‑management practices across the financial sector.
What comes next?
Going forward, the Bank of England is likely to monitor AI‑related market movements closely, incorporating any signs of a valuation correction into its macro‑prudential toolkit. The FPC may also consider stress‑testing scenarios that factor in a sudden loss of confidence in US monetary policy or a rapid slowdown in AI investment flows.
Investors, meanwhile, are advised to scrutinise the fundamentals of AI firms, assess the realism of projected earnings, and diversify exposure to mitigate the impact of a potential correction. For policymakers, the message is clear: maintaining the credibility of central banks, both in the UK and abroad, remains a cornerstone of financial stability in an era of rapid technological change.
Why it matters
A sudden AI‑driven market correction could destabilise global finance, affect UK households and businesses, and amplify risks from US monetary‑policy uncertainty.
Key points
- AI firm valuations have more than tripled in a year, raising concerns of a bubble
- Bank of England’s FPC warns a sharp market correction could hit households and businesses
- MIT research shows most firms see no return on generative‑AI spend, questioning earnings forecasts
- US Federal Reserve credibility issues could trigger a rapid repricing of dollar assets
- UK financial stability could be exposed to spill‑overs from both AI and US policy shocks
Frequently asked questions
What specific AI companies did the Bank of England mention?
The FPC cited OpenAI, now valued at about $500 billion, and Anthropic, whose valuation rose to roughly $170 billion.
Why does the Bank of England see a risk of a market correction?
Because equity valuations for AI‑focused firms appear stretched relative to earnings expectations, and recent research suggests many AI projects deliver little financial return.
How could US Federal Reserve credibility affect the UK?
If investors lose confidence in the Fed, US dollar assets could be sharply repriced, leading to higher volatility, risk premia and spill‑over effects on the UK’s financial markets and currency.
What does the FPC plan to do about these risks?
The committee will monitor AI‑related market dynamics, consider stress‑testing scenarios, and may adjust macro‑prudential tools if evidence of a correction emerges.





