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GLOBAL RESEARCH ARCHIVE

Global Equity Volatility Insights: High BRI detects where fragility risks lie

Published: 2026-06-09Institution: BofA Global ResearchPages: 33Original language: 英语Evidence page: 1

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Global Equity Volatility Insights: High BRI detects where fragility risks lie

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Global Equity Volatility Insights

High BRI detects where fragility risks lie

BRI detects where fragility risks lie in the bubble-era 09 June 2026

Fragility returned to markets last week, with rising rates once again driving the risk-off Equity Derivatives

move in US equities. The Nasdaq’s nearly 5% selloff was one of the worst risk-adjusted Global

1-day drops in its >40-year history, and the S&P’s decline was more than 5x what was

implied by options markets. Critically, frothy pockets of the market with high Bubble Risk

Indicator (BRI) readings (such as the Kospi & US semis) were most acutely affected,

reinforcing how measures like the BRI can better flag risk than fundamentals in reflexive

markets. In our view, the right tail & further expansion of the AI bubble continues to be

the pain trade, as exemplified by the sharp tech rebound on 8-Jun. In addition to QQQ

call spreads, which allow risk-limited participation in the tech rally with >6x max payout Global Equity Derivatives Rsch

BofAS

ratios, we like NDX upvar replication and/or NDX upvar vs SPX upvar, which provide

Arjun Goyal

cheaper spot-up, vol-up exposure given the recent rise in the cost of Nasdaq volatility. Equity-Linked Analyst

AI rally lifts ASML weight in SX5E, triggering weight cap Vittoria Volta >>

Equity-Linked Analyst

ASML repeatedly surpassing the SX5E 10% weight cap reinforces how AI‑driven BofASE (France)

momentum is also impacting EU equities and feeding directly into index mechanics vis- Lars Naeckter >>

a-vis the upcoming rebalance on 19-Jun. If the current trajectory in AI‑linked Tech Equity-Linked Analyst

Merrill Lynch (DIFC)

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