Broadcom is known for making the custom chips that power AI systems. Lately, though, it is also becoming known for something else: standing behind the debt that pays for those chips.
Bond investors have started pricing in more risk for Broadcom, and the shift shows up in two places. The yield on its 5.15% bonds maturing in 2031 has increased by roughly 14 basis points during August. A basis point is one-hundredth of a percentage point, so that is a modest but noticeable move.
The bigger signal comes from credit default swaps, which work like insurance against a company failing to pay its debts. Over the same period, the cost of Broadcom's five-year credit default swaps rose 28 basis points. That is a larger increase than what Oracle or SpaceX saw, which tells you this is not just the whole tech sector getting lumped together.
So what is driving all this? Broadcom is currently negotiating a debt package exceeding $60 billion to fund an AI chip financing initiative. The deal is expected to benefit Anthropic, the AI company, along with other firms. Broadcom could guarantee part of a senior-secured tranche, which is the portion of a loan that gets paid back first if things go wrong.
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This is not the first time Broadcom has played this role. Earlier this year, the company committed to guarantee a large portion of a $35 billion debt facility. In that arrangement, firms like Apollo Global Management and Blackstone provided funding for custom AI chips that Anthropic leases.
The pattern is spreading across the chip industry. Companies like Broadcom and Nvidia are using guarantees and other financial support to help their customers afford expensive AI hardware. That strengthens the relationship between chipmaker and client, but it also creates obligations that do not show up on the balance sheet.
This is a notable shift for a company that investors have long treated as a pure semiconductor supplier. Broadcom is now acting as a financial backer as well, and the market is starting to price that in. The guarantees are meant to keep AI orders flowing, but they tie Broadcom's fortunes to the financial health of its customers.
The catch: If the AI boom slows down, these backstops could force companies to honor billions in pledges at the exact moment their own earnings are under pressure.
Tony Trzcinka, a portfolio manager focusing on investment-grade debt at Impax Asset Management, views the CDS movement as specific to Broadcom rather than a broader worry about AI spending. He said it likely reflects expectations that Broadcom will add more financial guarantees for chip-financing deals.
Tarek Hamid, a strategist at JPMorgan, took a wider view. In a note, he described what he called the expanding "phantom leverage" beneath the AI ecosystem, pointing to off-balance-sheet supports such as rental agreements, promised orders, and asset-value backstops that could total trillions.
For anyone holding Broadcom stock or bonds, this is a reminder that the AI boom comes with plumbing that is not always visible. The chipmaker's core business is still strong, and its custom AI chips are in high demand. But the guarantees it is handing out add a layer of risk that did not exist a few years ago.
The bigger lesson applies beyond Broadcom. When companies start using their balance sheets to help customers buy their products, the risk shifts from the customer to the seller. That can work fine in a boom. In a downturn, it turns a slowdown in demand into a direct hit on earnings.
None of this means the AI trade is broken. It means the price of participating in it may be higher than the headline numbers suggest. Watching the credit markets, not just the stock price, is one way to keep tabs on how much risk is actually building up.
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