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Michael Burry's AI Bubble Bet: Micron and Nebius in the Crosshairs

Oct 4, 2026
Bobby Quant Team

💡 Key Takeaway

Michael Burry's bearish bets on Micron and Nebius signal a growing risk of an AI spending slowdown that could burst the bubble sooner than expected.

Burry's Bold Short Bet on AI

Michael Burry, famed for predicting the 2008 housing crash, has set his sights on the AI sector. He recently took short positions in several popular AI stocks and, at the end of September, shifted his strategy to buy put options on Micron (MU) and Nebius (NBIS) with June 2027 expirations. These options have strike prices implying potential declines of over 50% from current levels.

Burry's move was influenced by an Ares Management article highlighting the interconnectedness of the AI trade. The article argues that AI revenue must justify the massive capital expenditures (capex) committed by hyperscalers. Any disappointment could lead to a pullback in spending, which the market currently prices as highly unlikely. Burry sees this as a mispricing of risk, similar to the subprime mortgage bubble.

Why Micron and Nebius Are Vulnerable

Micron and Nebius are particularly exposed to a slowdown in AI capex. Micron's earnings have soared on data center memory chip demand, but a drop in demand could accelerate supply-demand equilibrium, leading to lower prices and compressed margins. Additionally, increased memory chip production in China could further pressure pricing. For Nebius, a neocloud provider, a decline in compute demand would erode the premium it charges for GPU capacity, threatening its leveraged, asset-heavy business model.

The broader implication is that the AI trade is highly interconnected, with companies relying on each other as customers, vendors, and financiers. A slowdown in spending by hyperscalers would ripple through the ecosystem, hitting chipmakers and cloud providers first. This could trigger a sector-wide correction, challenging the narrative that AI is a surefire growth engine.

Source: The Motley Fool
Analysis generated by Bobby AI quantitative model, reviewed and edited by our research team. This is not financial advice. Always do your own research before making investment decisions.

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Bobby Insight

bobby-insight

The AI sector faces a significant correction as spending growth slows and valuations adjust to reality.

The AI trade is built on optimistic capex assumptions that may not materialize. With interconnected risks and stretched valuations, any disappointment could trigger a sharp sell-off. Burry's bet highlights the asymmetric downside for high-flyers like Micron and Nebius.

What This Means for Me

means-for-me
If you hold AI-related stocks, especially in semiconductors or cloud infrastructure, be prepared for increased volatility. Consider reducing exposure to highly leveraged players like Nebius and cyclical chipmakers like Micron. Diversifying into defensive sectors or holding cash could help cushion the impact of a potential AI bubble burst.

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What This Means for Me

If you hold AI-related stocks, especially in semiconductors or cloud infrastructure, be prepared for increased volatility. Consider reducing exposure to highly leveraged players like Nebius and cyclical chipmakers like Micron. Diversifying into defensive sectors or holding cash could help cushion the impact of a potential AI bubble burst.

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StocksImpactAnalysis
MU
Negative
Burry's puts imply a 50%+ decline. A slowdown in AI capex would reduce memory chip demand, causing prices to peak sooner and at lower levels, cutting short Micron's profitability surge.