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Novogratz says AI is in a bubble, and investors should pile in

Reported by Thestar ·Bloomberg
Oct 8, 2026· 2 min read
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Key Takeaways
  • • Mike Novogratz, Galaxy Digital CEO, acknowledges the AI market is in a bubble but continues aggressively investing in the sector despite the valuation concerns.
  • • Novogratz identifies infrastructure, compute, security, and payments as stronger investment opportunities within AI than AI agent software applications.
  • • The bubble dynamic is being fueled by major tech giants deploying cash on hand rather than leveraging debt to fund AI ambitions, potentially limiting downside risk.
  • • Novogratz compares current market dynamics to the cryptocurrency bubble of 2017, characterizing tech stocks as in a "classic speculative bubble" with markets operating in an "unhinged" state.
  • • His base case projects the AI bubble could burst in 2028, though he notes that calling market tops is "the hardest thing to do" and cycles can take months or years to unwind.
Summary
Mike Novogratz, the prominent cryptocurrency investor and founder of Galaxy Digital, has stated publicly that artificial intelligence markets are currently in a bubble—yet he maintains an aggressive investment posture within the sector. This apparent paradox reflects Novogratz's conviction that despite stretched valuations, significant returns remain available to investors who deploy capital strategically within AI infrastructure.

Novogratz's investment thesis distinguishes between segments of the AI ecosystem. While he acknowledges frothy valuations in AI agent software applications, he identifies compute, infrastructure, security, and payments as areas offering more compelling risk-reward profiles. This selective approach allows him to capitalize on AI's transformative potential while managing bubble-related risk through sector rotation within the theme.

A critical structural difference from previous bubbles, according to Novogratz's analysis, is that major technology firms are funding their AI expansion through existing cash reserves rather than aggressive debt issuance. This cash-funded approach potentially limits balance sheet stress and the cascading defaults that could accelerate a downturn, distinguishing the current cycle from prior speculative episodes.

Novogratz has drawn explicit parallels between current market conditions and the 2017 cryptocurrency bubble, characterizing both as periods of speculative excess. He describes tech stocks as trading in a "classic speculative bubble" amid what he perceives as an overall "unhinged" market. His base case scenario projects a bubble burst around 2028, though he acknowledges the difficulty in timing such inflection points, noting that major market cycles often require months or years to fully unwind once structural cracks appear.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Thestar Novogratz says AI is in a bubble, and investors should pile in Bloomberg Novogratz Says AI Is in a Bubble, and Investors Should Pile in