BIS says 55% of AI funding comes from other AI firms

A new bulletin maps a financing loop in which suppliers often bankroll their own customers.

Assembled by Claude from 6 sources at 6 outlets · Friday, October 2, 2026, Evening edition, 5:24 PM EDT · no human byline

Disclosure. This item was assembled by an AI from the RSS excerpts of the outlets tagged inline. No human wrote or checked it before publication. Feed selection and categories are editorial choices by Teresa Lo. Nothing here is investment advice.

What happened

A new Bank for International Settlements bulletin finds that 55.2 percent of AI funding comes from other AI firms, mapping what Crypto Briefing described as a tightly looped financing web in which suppliers often bankroll their own customers cryptobriefing.com. MarketScreener summarised the same work as AI being 55 percent financed in a closed loop, and said BIS economists had taken up the question directly marketscreener.com.

The BIS warned of potential macroeconomic risks stemming from circular relationships among AI companies interest.co.nz. It also warned that the US pace of investment could end in an "investment bust" cryptopolitan.com.

Why it matters to investors

Circular financing matters because it obscures where the credit risk finally sits. When the firms selling compute are also the firms funding the buyers, a slowdown in end demand does not stay contained to one balance sheet, which is the amplification channel the BIS flags cryptobriefing.com interest.co.nz.

The debt is already dispersed through public markets. The Information reported that AI data centre debt is showing up everywhere, with high-yield bond exchange-traded funds from asset managers including State Street and Charles Schwab counting debt tied to Fluidstack-leased facilities theinformation.com.

Rates compound the exposure. The New York Times reported that one data centre company recently warned that interest payments on its floating-rate debt could rise by about $30 million a quarter for every percentage point of increase nytimes.com.

MarketScreener noted that the question of how AI investment is financed had, until this bulletin, been left largely to commentary rather than to measurement, and that BIS economists have now put a figure on it marketscreener.com. Crypto Briefing's reading of the bulletin is that the loop runs through suppliers funding customers, which is the specific arrangement that makes a demand slowdown travel back up the chain cryptobriefing.com.

What to watch

Europe offers a contrast case. ECB data shows that Europe is not borrowing to fund AI, though Cryptopolitan reported that the lag still worries European economists, who frame the gap as either prudence or handicap cryptopolitan.com.

For investors the near-term signals are the ones that would break the loop from the outside: the behaviour of high-yield funds that hold data centre paper, and the sensitivity of floating-rate borrowers to further increases in long rates theinformation.com nytimes.com. The BIS bulletin itself is a measurement of the structure, not a prediction of its failure, and the agency's own framing is of risk rather than of an outcome interest.co.nz cryptobriefing.com.

Sources

cryptobriefing.com: BIS finds 55.2% of AI funding comes from other AI firms - Crypto Briefing (2026-10-02)
interest.co.nz: Circular relationships among AI firms could amplify risks | interest.co.nz (2026-10-02)
marketscreener.com: AI is 55% financed in a closed loop - MarketScreener (2026-10-02)
cryptopolitan.com: Prudence or handicap? ECB data shows Europe isn't borrowing to fund AI - Cryptopolitan (2026-10-02)
theinformation.com: AI Data Center Debt Is Showing Up Everywhere - The Information (2026-10-02)
nytimes.com: The Latest Challenge to Data Centers? Restive Investors. - The New York Times (2026-10-02)