Is the AI Bond Boom Cooling? Amazon's $25B Subscription Faces Weak Demand [Analysis]

https://finance.sina.com.cn/stock/hkstock/hkstocknews/2026-07-08/doc-inihckru4748950.shtml

When the data comes out, even if you believe in the long-term AI story, you have to admit that subtle changes are happening in the market.

Amazon issued $25 billion in bonds this week, receiving approximately $40 billion in subscriptions, resulting in a subscription multiple of only 1.6x. This number might have just passed the bar in similar financings earlier this year, but compared to the heat back then, it has clearly dropped off. More critically, this is the 7th tech company bond financing of $25 billion or more this year—the count already exceeds the total of the previous six years.

Supply is surging, while demand is hitting the brakes.

Brij Khurana from Wellington Management put it bluntly: The market expects a large supply ahead, and investors are unwilling to allocate excessive positions to a single issuer because they will likely return in a few months. SpaceX's $25 billion bond last month confirmed this point—subscriptions were less than 3x, secondary markets weakened quickly, and profit-taking selling is uncommon in investment-grade bonds.

Cumulatively, Amazon, Alphabet, Nvidia, Meta, Oracle, and SpaceX have raised approximately $182 billion through USD investment-grade bonds this year, compared to less than $13 billion in the same period last year. Bond issuances by these companies now account for nearly 15% of total US investment-grade bond issuance in 2026, contributing to more than half of the new supply. This is no longer "supplementary financing" but the main artery of AI infrastructure.

Historically, ultra-large-scale bond issuances served major M&A deals—Verizon's $49 billion in 2013, AB InBev's $46 billion in 2016. Now, M&A has given way to data centers and GPU clusters. JPMorgan predicts that global AI infrastructure investment will reach $5.5 trillion by 2030, with approximately $2.1 trillion in data center financing over the next five years completed through the investment-grade bond market.

But the problem is, the bond market isn't an infinite sponge absorbing water.

Scott Kimball from Loop Capital offered a key perspective: Most of these AI bonds have just been issued, and as economic conditions change and the market reassesses AI investment returns, there remains a possibility of repricing for such bonds in the future. When interest rate environments shift, or when investors start asking "what exactly is your data center payback period," can the current 'issue debt-build compute-issue debt' cycle continue?

For borrowers of Amazon's caliber, financing costs won't deteriorate significantly in the short term—new bond yields are 12-22 basis points higher than existing ones, while the market average premium is only 4 basis points, indicating that the market is still willing to give discounts to big tech firms. But marginal buyers are becoming picky, which may be the first signal that the entire AI debt cycle is entering its mid-phase.