By Hamza Faisal
The AI data-center boom's poster child just had its worst week in the bond market. CoreWeave, the neocloud built on renting out Nvidia-powered GPU compute, watched the cost of insuring its debt against default surge to an intraday record near 1,194 basis points this week — up from about 881 on Monday and just 547 at the end of June, according to market data cited by Bloomberg.
In plain terms, the five-year credit default swap market is now implying a greater than 60% probability that CoreWeave defaults within five years. Bond prices tell the same story: the company's unsecured notes due in 2031 and 2032 have fallen below 80 cents on the dollar, pushing yields above 15% — a level the market treats as distressed. The stock joined the slide, dropping roughly 15.5% on the week, including a 16% plunge on Wednesday and another near-12% fall on Friday to around $61.39.
The math the bond market is doing
CoreWeave's own filings show what credit traders are pricing. The company owed $35.6 billion of principal as of June 30, with $10.6 billion of scheduled payments due by the end of 2027 — $4.4 billion this quarter and $6.2 billion next year. Its second-quarter interest bill was about $640 million, consuming 21.7% of revenue — the highest share among 446 large non-financial companies, according to filings analysis.
The company's playbook is borrow first, build, then collect contract revenue. With a hotter-than-expected US inflation print pushing rate expectations higher and the 10-year Treasury sitting near 5.2%, refinancing at these levels looks punishing. As analysts noted this week: you cannot refinance at a 15% interest rate.
"Irrational," says the CEO
Chief executive Mike Intrator is not conceding. In an internal memo to staff, he called the selloff "irrational," arguing the company's roughly $104 billion contracted backlog "more than supports all of our debt obligations." Deutsche Bank reiterated a buy rating, telling clients two-thirds of that backlog sits with investment-grade counterparties including Microsoft, Meta, IBM and Caterpillar — and Nvidia has committed to backstop unsold CoreWeave capacity through April 2032.
The skeptics answer that a backlog is not cash. Fulfilling those orders demands continuous spending on GPUs, data centers and power — and the timing of revenue is what matters. D.A. Davidson analyst Gil Luria put the bear case bluntly: "If CoreWeave borrows at a cost of 9% while the best return it can achieve is only 5%, then no matter how much it expands, it makes no sense: they are destroying value with every step." Even Elon Musk weighed in, reposting coverage of the credit blowout with a one-word verdict: "Yikes."
The contagion question
The stress is not confined to one balance sheet. Oracle's five-year credit default swap spreads also hit a record of about 288 basis points this week, and SoftBank's climbed to 424, according to Reuters — evidence that credit markets are reassessing AI-linked debt broadly. The IMF has warned that rapid, debt-fueled AI data-center buildouts and circular financing could create interdependence and contagion risks across tech and credit markets.
Gartner's verdict is bleaker still: the research firm predicts more than 80% of independent neoclouds will stop operating on their own by 2030. What to watch: CoreWeave's November quarterly results, any near-term refinancing moves, and a March 2027 bond-document test deadline that could decide whether the debt structure holds. For now, Wall Street's bond desks and the company's own CEO are looking at the same company and seeing two completely different futures.
By Hamza Faisal
