CoreWeave Inc (NASDAQ: CRWV) shares fell about 16% on Wednesday, October 14, as yields on its bonds due 2032 approached 15%, highlighting growing investor concerns about its debt burden [1]. Those bonds were sold in June with a 9.625% coupon and now trade at roughly 79.5 cents on the dollar [2]. In plain terms, an investor who bought $100,000 of the bonds at face value would now see a market value of roughly $79,500, excluding interest received.
CoreWeave rents out AI computing power to customers such as Microsoft, Meta and OpenAI. It borrows heavily to buy chips and build data centers, then uses customer payments to cover interest and repay the debt. That works as long as borrowing stays affordable and customers keep paying.
#Why Lenders Are Getting Nervous
The cost of that borrowing is climbing fast. CoreWeave’s interest bill jumped to $640 million in the second quarter from $267 million a year earlier, and it lost $626 million even as revenue more than doubled to $2.58 billion. It also faces about $4.4 billion of debt payments for the rest of 2026 and $6.2 billion in 2027.
D.A. Davidson analyst Gil Luria estimates CoreWeave borrows at around 9% but earns only a small return on what it builds. When that gap exists, borrowing more to grow destroys value rather than creating it. The higher market yield does not change interest payments on CoreWeave's existing fixed-rate bonds, but it signals that raising new debt or refinancing existing obligations could become much more expensive.
The timing was awkward. On the same day, co-founder Brannin McBee told the Financial Times that CoreWeave wants investment-grade ratings for its chip-backed loans, potentially opening access to funding from life insurers. Lenders currently treat CoreWeave as a junk borrower, and a yield near 15% makes that goal much harder to reach.
#CoreWeave Says the Market Has It Wrong
CEO Mike Intrator told staff the market was acting irrationally. He pointed to a backlog of about $104 billion in contracted future revenue and said it can carry the company’s debt [4]. He also blamed weak debt deals at rivals for dragging CoreWeave into the story, and promised to address the concerns on the next earnings call.
That backlog is real money, but it arrives over several years and only once CoreWeave delivers the computing power it has promised. Investors are weighing that future income against heavy borrowing needs today.
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#The Same Strain Shows Up at Zenith Arc
CoreWeave isn’t alone. In August, a project called Zenith Arc sold $2.25 billion of green bonds to build a 149 MW data center in Oklahoma. Jane Street, the trading firm and also a CoreWeave customer, has agreed to lease the site for 15 years and has guaranteed the rent.
Even with that backing, the bonds have slipped from about 99.5 cents to around 91 cents, lifting the yield from roughly 9% to 11.3%. The project also faces a construction setback. Local officials denied a required floodplain development permit, raising questions about whether the site can meet its targeted late-2027 opening date. The data center isn’t built yet, and S&P rates Jane Street BB, below investment grade. Repayment rests on one tenant and on construction finishing on time, although Zenith set aside part of the money raised to cover interest until rent begins.
The worry also spread to shares. Oracle, Nebius, DigitalOcean, TeraWulf and Hut 8 all fell sharply on Wednesday, as did Dell, which sells servers to many of these firms.
#What This Means for the AI Buildout
Neither CoreWeave nor Zenith has missed a payment. Investors who hold the bonds to maturity still get their money back, as long as the companies keep paying. Falling prices reflect fear, not default.
The bigger risk is cost. If lenders demand 11% to 15% to fund AI data centers, fewer new projects will make financial sense, even if demand for AI computing stays strong. The milestones to watch are CoreWeave’s next earnings call, whether Zenith secures its outstanding permit and whether the Oklahoma project stays on schedule.