---
title: "45% of fund managers surveyed by Bank of America in November said an \"AI bubble\" was the biggest tail risk for markets, spiking from just 11% in September."
description: "Over half of these investors said they think AI stocks are already in a bubble.\n\nSource: BofA"
---

[Syz The Moment](https://blog.syzgroup.com/syz-the-moment)

# [45% of fund managers surveyed by Bank of America in November said an "AI bubble" was the biggest tail risk for markets, spiking from just 11% in September.](https://blog.syzgroup.com/syz-the-moment/45-of-fund-managers-surveyed-by-bank-of-america-in-november-said-an-ai-bubble-was-the-biggest-tail-risk-for-markets-spiking-from-just-11-in-september)

 Written by [Charles-Henry Monchau, CFA, CMT, CAIA](https://blog.syzgroup.com/syz-the-moment/author/charles-henry-monchau) | Nov 20, 2025, 2:58:16 PM

[View full post](https://blog.syzgroup.com/syz-the-moment/45-of-fund-managers-surveyed-by-bank-of-america-in-november-said-an-ai-bubble-was-the-biggest-tail-risk-for-markets-spiking-from-just-11-in-september)

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