BIS warns of hidden risks in the AI boom
According to the BIS's Alexandre Tombini, over-investment, opaque financing and shared reliance on the same cloud providers could create new financial stability risks.

In a speech to the Mexican Banking Association on 3 November 2026, BIS Chief Representative for the Americas Alexandre Tombini said AI is shifting from a specialised technology to one with economy-wide implications. He warned that over-investment, complex debt structures and circular investment relationships could obscure risk concentrations and create financial vulnerabilities. Tombini added that AI brings efficiency gains for financial firms but also operational and cyber risks, while autonomous, agentic transactions raise technical, legal and policy questions. He argued stability outcomes depend on adoption, financing and governance, and that international cooperation can help manage adverse effects.

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