``` Emerging Signs of an AI Debt Bubble? Analysts Warn: Alphabet’s Issuance of Century Bonds May Signal a Market “Top” ```

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Alphabet issued a £1 billion century bond, and strategists see it as yet another signal of excessive optimism at the tail end of the credit cycle. As tech giants push borrowing to new highs in the race for AI infrastructure, risks of debt-driven expansion are drawing attention.

On February 12, Bill Blain, CEO of Wind Shift Capital, stated that with credit spreads at historic lows, the long-term demand for data centers is uncertain, and rapid technological change will inevitably create winners and losers in the industry. Thus, this deal further proves the existence of a bubble in the artificial intelligence market.

This is Google's parent company's first foray into ultra-long-term sterling-denominated bonds and is part of its approximately $20 billion multi-currency financing plan. The issuance spans US dollars, euros, pounds, and Swiss francs for the first time, covering various maturities. According to Bloomberg citing insiders, the century bond priced on Tuesday attracted nearly 10 times the subscription, with a coupon 120 basis points above the 10-year British government bond. Alphabet disclosed last week that its expected capital expenditure for 2026 will reach $185 billion.

Market Bubble Signals

Bill Blain, CEO of Wind Shift Capital, believes that Alphabet's £1 billion century bond issued this week is the latest evidence of the credit market's overexpansion for AI financing.

Blain told CNBC that the deal itself was well executed, and Alphabet accurately captured the structural demand of UK insurance and pension funds to match their liabilities. Yet he also warned that with credit spreads at historically low levels, uncertain long-term demand for data centers, and rapid technological iterations reshaping the industry, the emergence of such ultra-long-term financing instruments is a classic signal of a market bubble accumulating. He said:

“If you are looking for signs of a market top, even though this is a perfectly executed transaction, it really looks like one.”

As competitors like Oracle, Amazon, and Microsoft simultaneously ramp up infrastructure investments, tech giants' total bond issuance is expected to approach $3 trillion over the next five years. Strategists point out that issuing century bonds also helps Alphabet broaden its institutional investor base beyond traditional lenders.

Diversifying Financing Sources

Nachu Chockalingam, head of credit at Federated Hermes London, said Alphabet’s choice to finance AI capital expenditure in the ultra-long sterling market is aimed at accurately meeting the liability-matching needs of UK insurance and pension funds, while also diversifying financing channels to avoid oversaturation of the US dollar market.

Tatjana Greil Castro, co-head of public markets at Muzinich & Co., stressed that issuing century bonds places extremely high requirements on the issuer’s long-term viability and ongoing innovation capabilities. She pointed out:

“You are essentially betting this company can reinvent itself over the next century and beyond—even for governments, such issuances are very rare.”

Risk Warning and DisclaimerThe market has risks, and investment should be cautious. This article does not constitute personalized investment advice and does not take into account the particular investment objectives, financial situation, or needs of individual users. Users should consider if any opinions, views, or conclusions in this article fit their specific circumstances. Investment based on this is at your own risk. ```