The odds of an AI-fueled stock market crunch are climbing, and the International Monetary Fund is now saying so out loud.
In its Global Financial Stability Report, released October 13, 2026, the IMF called an AI-driven correction in global equities a plausible outcome.
What the IMF is worried about
The fund points to three ingredients that could combine into a significant equity sell-off: high valuations, escalating leverage, and gains concentrated in a small group of US tech giants.
AI-related stocks have accounted for 75% of S&P 500 returns since ChatGPT launched in November 2022. They have also delivered 80% of the index’s earnings growth over that period.
The Magnificent Seven, made up of Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia and Tesla, now represent over 35% of the S&P 500’s market capitalization. A decade ago, that figure was 12%.
The debt underneath the boom
Hyperscalers, the giant cloud and data-center operators powering AI, have been borrowing heavily to fund the buildout. These firms now account for 10% of global investment-grade bond issuance. In 2024, their share was less than 1%.
The IMF also identified $300 billion in transactions between hyperscalers and weaker AI firms. On top of that sits $650 billion in associated debt.
Those links matter because they connect the strongest balance sheets in the sector to some of its shakier players. A correction of this kind, the IMF warned, could tighten financial conditions globally and dampen investment activity. Asian markets were flagged as particularly vulnerable given their exposure to these risks.
The cracks already showing
A $5 billion Australian data-center IPO was shelved in October 2026 amid market pressures.
Revenue run-rates at AI firms, including OpenAI, have also come in softer than anticipated.
Meanwhile, Asian chip stocks took a beating. The Kospi 200 dropped over 8% in a single session.
The IMF isn’t alone in sounding the alarm. The Bank for International Settlements and Fitch Ratings have also warned of potential economic fallout. Their concerns range from forced selling tied to leveraged positions to, in a downturn scenario, a possible US recession and global stagnation.
What this means for investors
With the Magnificent Seven making up over 35% of the S&P 500, passive investors carry far more AI exposure than the word “index” might suggest.
With hyperscalers now accounting for 10% of global investment-grade issuance, bond investors are more exposed to the AI cycle than many may realize. If revenue at AI firms keeps undershooting expectations, the projected returns on all that borrowed capital will face harder scrutiny.
The IMF singled out Asian markets as highly vulnerable, and the Kospi 200’s single-session plunge offered a preview of how quickly sentiment can turn.
The IMF framed a correction as plausible, not inevitable. The AI boom now has to show its earnings can justify the price tag, and the borrowing behind it.
Disclosure: This article was edited by Diego Almada Lopez. For more information on how we create and review content, see our Editorial Policy.