Nvidia's role as the chief financier of the artificial intelligence buildout is facing its first serious stress test, as the bonds of the data center companies it backs trade at distressed levels and its own shares head for their worst month in a year. CNBC reported on Friday that credit markets have tightened sharply for the "neoclouds," the capital-hungry firms that borrow to buy Nvidia chips and rent out computing capacity. Shares of CoreWeave, Nebius and IREN are each down at least 30 percent this month, and CoreWeave's five-year credit-default-swap spread has pushed past 11 percent, the price investors now pay to insure against its default.
The exposure Nvidia has taken on is large and recent. As of its July filing the company had arranged $36 billion in off-balance-sheet guarantees for neoclouds, and in August it outlined more than $500 billion in off-balance-sheet commitments over the coming years, most maturing by fiscal 2029. Its single biggest guarantee, up to $105 billion, backs chips, land and power for a proposed 10-gigawatt OpenAI data center in Pike County, Ohio. For most of these deals Nvidia pays nothing unless a project participant defaults, but the structure converts a chip supplier into an insurer of its own customers.
The financing has spread well beyond Nvidia. Morgan Stanley data cited by IO Fund put AI-related debt issuance at $466 billion through September, up from $101 billion in the same period of 2025; Goldman Sachs puts the figure near $489 billion. The boom has grown complex enough to spawn a dedicated broker class: BGC Group set up a unit to trade compute capacity over the counter, and the Commodity Futures Trading Commission is reviewing compute futures contracts. Renting a GPU is now treated as a commodity volatile enough to hedge.
Chief executive Jensen Huang insists the strain reflects scarcity of capital, not scarcity of demand. He told CNBC this week that interest in neoclouds is "off the charts" and that "what is missing in the middle is the working capital to fuel that growth." He also reaffirmed his projection that global data center capital expenditure will reach $4 trillion a year by 2030, and said CoreWeave does not need Nvidia's backstop at all. Nvidia's cash position supports the confidence: it generated roughly $70 billion in free cash flow in the first half of the year, against about $4 billion at AMD.
Skeptics see circular financing propping up lofty expectations. "If the demand for compute doesn't meet these really super lofty expectations, we're going to have a problem," said David Trainer of New Constructs, whose firm estimates Nvidia's off-balance-sheet liabilities rose more than $100 billion in a year. The stress echoes AI Daily's reporting last week that CoreWeave's bonds had reached distress levels even as Nebius said compute prices were still rising. What remains unverified is the central question Moody's says it monitors daily: whether any of Nvidia's guarantees will actually be triggered, or whether demand arrives fast enough to make the worry moot.