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BofA flow report signals risk assets are entering crowded territory, with the Bull & Bear Indicator triggering a sell signal

Institution
Bank of America
Date
2026-05-22
Authors
Michael Hartnett, Anya Shelekhin, Myung-Jee Jung, Jessica Guo
Company
-
Ticker
-
Industry
cross-asset strategy / precious metals / technology cycle
Rating
-
NeutralLow confidenceThe report argues that risk asset price momentum is strong, retail enthusiasm is elevated, volatility is falling, and market concentration is approaching historical bubble-like levels; meanwhile, rising bond yields, crowded risk-asset positioning, and the FMS cash level falling to 3.9% together point to near-term profit-taking risk.
AuthorsMichael Hartnett, Anya Shelekhin, Myung-Jee Jung, Jessica Guo
CoverageEmerging Markets、Europe
Asset classesMoney Market
Business segmentsglobal fund flows、equity sector fund flows、fixed income fund flows、private client asset allocation、cross-asset returns
Research firm divisions/subsidiariesBank of America(Other)

AI summary card

BofA flow report signals risk assets are entering crowded territory, with the Bull & Bear Indicator triggering a sell signal

The report shows continued inflows into bonds, U.S. equities, and technology, but outflows from gold, crypto assets, Europe, and emerging-market equities, while risk-asset positioning and price momentum are overheating; BofA advises caution over a pullback in the next 2-3 months.

Not a single-stock rating report; the core signal is a short-term contrarian sell on risk assets, with a cautious stance.
global fund flowsrisk-asset sell signalbond inflowscrowded tech stocksgold outflowsemerging market outflowsprivate client allocationbubble risk
  • The BofA Bull & Bear Indicator rose to 8.0, triggering a contrarian sell signal for risk assets; historically, global equities fell an average of 2%-3% over the following 2-3 months after 17 such signals, with a hit rate of about 60%.
  • Weekly flows showed $30.5bn into bonds, $2.4bn into equities, and $1.2bn into cash, while gold saw $1.1bn of outflows and crypto assets saw $1.5bn of outflows.
  • U.S. equities recorded inflows for the eighth straight week, with $9.5bn in inflows this week; technology saw $9.0bn of inflows, the largest since October 2025.
  • European equities saw $2.3bn of outflows and emerging market equities saw $7.9bn of outflows, both marking six consecutive weeks of outflows.
  • In BofA private client asset allocation, equities reached a record-high 65.7%, bonds fell to 17.3%, the lowest since March 2022, and cash dropped to a record-low 9.9%.
  • The report emphasizes that AI-related market concentration, strong price momentum, and rising yield pressure may be characteristic of the late-stage bubble environment.

Report interpretation

Overview

This is a BofA global investment strategy flow report titled “The Flow Show: Ground Control to Major TAM.” The report focuses on global cross-asset fund flows, BofA private client asset allocation, the BofA Bull & Bear Indicator, year-to-date returns of major assets, and fund movements in technology, bonds, gold, crypto assets, and regional equities. The key conclusion is that although equities and technology continue to attract inflows, risk-asset positioning, price momentum, and market concentration have become clearly crowded, and rising bond yields may become the trigger for the end of the bubble or boom.

Core views

The report argues that the market currently exhibits a bubble-like combination of strong price performance, retail frenzy, declining volatility, and rising market concentration. The BofA Bull & Bear Indicator rose to 8.0 and issued a sell signal for risk assets, reflecting inflows into technology and emerging-market debt, a monthly jump in FMS equity allocation, and lower cash levels. Although U.S. equities and technology continue to attract money, Europe, emerging markets, financials, materials, gold, and crypto assets are seeing outflows. The report also believes emerging markets and commodities still retain structural bull-market characteristics, but late-cycle contrarian opportunities may shift toward consumer stocks, small-cap technology adopters, and AI application transformation beneficiaries.

Analysis framework

The report makes a comprehensive judgment by tracking cross-asset fund flows, BofA private client account allocation, contrarian signals from the Bull & Bear Indicator, historical post-IPO market performance, regional and sector ETF/mutual fund flows, cross-asset year-to-date return rankings, and macro price indicators. Its logic is not a single-asset valuation model, but rather uses positioning, fund flows, price momentum, yields, and market concentration to identify whether risk appetite is overheating.

Methodology notes

  • fund flow analysisweekly asset-class fund flows

    Tracks net inflows or outflows across major asset classes such as bonds, equities, cash, gold, and crypto assets.

    This period showed a large inflow into bonds, while U.S. equities and technology continued to attract money, but gold and crypto assets saw outflows, indicating that risk appetite is not expanding broadly but is concentrated in a few crowded trades.

  • contrarian sentiment indicatorBofA Bull & Bear Indicator

    Measures the extremity of risk appetite using variables such as fund flows, positioning, market breadth, and sentiment.

    The indicator rose to 8.0 and triggered a sell signal. The report says that after similar historical signals, global equities fell by an average of 2%-3% over the next 2-3 months, with maximum drawdowns reaching 15%-20%.

  • private client allocation observationBofA Private Client Flows & Allocations

    Observes BofA private client asset allocation and ETF flows to assess risk appetite in retail and wealth-management channels.

    Private client equity allocation at 65.7% hit a record high, while cash at 9.9% hit a record low, showing that client portfolios have relatively high exposure to risk assets.

  • cross-asset momentum comparison2026 YTD ranked returns

    Compares year-to-date returns of major assets to identify winners, losers, and overheated assets.

    The report lists year-to-date performance for oil, international equities, U.S. equities, gold, cash, high-yield bonds, the U.S. dollar, investment-grade bonds, government bonds, and bitcoin to assess asset rotation and risk appetite.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

  • U.S. equities
    continued inflows but crowded positioning
    Strengths
    Inflows for eight straight weeks, with $9.5bn this week; private client equity allocation is at a record high.
    Weaknesses
    Positioning and sentiment are overheated, and the Bull & Bear Indicator has triggered a risk-asset sell signal.
    Comparison
    U.S. equities returned +8.8% YTD, below international equities at +10.1%, but stronger than most bond assets.
    Risks
    Rising yields, overly high market concentration, and risk appetite cooling after the IPO frenzy.
  • technology stocks
    one of the strongest inflow destinations
    Strengths
    Technology sector inflows reached $9.0bn, the largest since October 2025; AI and Asian technology price momentum remain strong.
    Weaknesses
    Large AI companies are driving higher market concentration, strengthening bubble-like features.
    Comparison
    The fund-flow advantage is obvious relative to outflow sectors such as financials and materials.
    Risks
    Valuation and positioning crowdedness, yield shocks, and an overheated AI narrative.
  • bonds
    significant inflows and a hedge destination against risk assets
    Strengths
    Weekly inflows reached $30.5bn; U.S. Treasuries saw $10.8bn of inflows, and IG bonds saw $13.3bn of inflows for seven consecutive weeks.
    Weaknesses
    Long-term yields may need to rise further before they trigger more private client inflows into bonds.
    Comparison
    Bond flows are stronger than equity flows, but year-to-date government bond and IG bond returns remain relatively weak.
    Risks
    Further yield increases pressure prices, and inflation plus tightening expectations disrupt the market.
  • gold
    still up YTD but recent flows are out
    Strengths
    Gold returned +4.4% YTD and still has inflation-hedge and safe-haven characteristics.
    Weaknesses
    This week saw $1.1bn of outflows, and precious-metals outflows resumed.
    Comparison
    Gold returns are below oil, international equities, and U.S. equities, but above cash and most bonds.
    Risks
    Rising real rates, a stronger dollar, and profit-taking amid overheated risk appetite.
  • crypto assets / bitcoin
    weak fund-flow and price performance
    Strengths
    Can serve as an indicator of high-risk sentiment.
    Weaknesses
    Crypto assets saw $1.5bn of outflows this week, the largest since February 2026; bitcoin returned -11.7% YTD.
    Comparison
    Bitcoin has the weakest YTD return among the assets listed in the report.
    Risks
    High volatility, regulatory uncertainty, and amplified liquidity stress when risk assets correct.
  • European equities
    weak regional fund flows
    Strengths
    If European rate assets such as UK gilts stabilize, regional risk appetite could improve.
    Weaknesses
    Outflows for six consecutive weeks, with $2.3bn outflow this week.
    Comparison
    Fund-flow performance is weaker than U.S. equities.
    Risks
    Political shifts to the right, rate pressure, and uncertainty around regional growth and earnings.
  • emerging market equities
    near-term flow pressure, but structural view remains positive
    Strengths
    The report says emerging markets and commodities remain in a structural bull market.
    Weaknesses
    Outflows for six consecutive weeks, with $7.9bn outflow this week; weakness in Asian currencies signals spillover risk.
    Comparison
    Fund flows are weaker than U.S. equities and technology.
    Risks
    Rising global capital costs, currency depreciation, and risk-off cycles often starting in emerging markets.
  • commodities / oil prices
    structurally strong asset
    Strengths
    Oil returned +70.4% YTD, the strongest among the listed assets.
    Weaknesses
    Rising energy prices may intensify inflation and policy pressure.
    Comparison
    It has significantly outperformed equities, gold, cash, and bonds.
    Risks
    Policy intervention, SPR releases, and price pullbacks after geopolitical tensions ease.

Key data

  • Weekly bond fund flows+$30.5bnFunds flowed strongly into bonds this period.
  • Weekly equity fund flows+$2.4bnEquities saw a modest net inflow overall, with ETF inflows of $20.6bn and mutual fund outflows of $18.1bn.
  • Weekly cash fund flows+$1.2bnCash also recorded a small inflow.
  • Weekly gold fund flows-$1.1bnPrecious-metals outflows resumed.
  • Weekly crypto asset fund flows-$1.5bnThe largest outflow since February 2026.
  • U.S. equity fund flows+$9.5bnInflows for eight consecutive weeks, the longest streak since December 2025.
  • European equity fund flows-$2.3bnOutflows for six consecutive weeks, the longest streak since February 2025.
  • Emerging market equity fund flows-$7.9bnOutflows for six consecutive weeks, the longest streak since November 2024.
  • Technology sector fund flows+$9.0bnThe largest inflow since October 2025.
  • Financial sector fund flows-$2.4bnThe largest outflow in 10 weeks.
  • Materials sector fund flows-$2.9bnThe largest outflow in 8 weeks.
  • BofA Bull & Bear Indicator8.0Rose from 7.8 to 8.0 and triggered a risk-asset sell signal.
  • BofA private client equity allocation65.7%Record high.
  • BofA private client bond allocation17.3%Lowest since March 2022.
  • BofA private client cash allocation9.9%Record low.
  • South Korea semiconductor export prices+148% YoYThe report says Asian technology prices rose sharply.
  • South Korea DRAM export prices+223% YoYDRAM prices rose faster than semiconductors overall on a year-over-year basis.
  • 2026 YTD returnsoil +70.4%, international equities +10.1%, U.S. equities +8.8%, gold +4.4%, cash +1.4%, HY bonds +1.0%, US$ +0.9%, IG -0.4%, government bonds -1.6%, bitcoin -11.7%Cross-asset performance listed on the report's first page.

Impact & implications

The report’s investment implication is that short-term gains in risk assets may continue, but crowdedness and contrarian signals have increased, especially in technology and U.S. equities where flow concentration warrants caution. Rising bond yields are seen as the key risk that could end the boom or bubble; if yields continue to break higher, they may prompt profit-taking in risk assets. In asset allocation, the report emphasizes managing crowded-trade risk, watching bond yields, monitoring whether outflows from gold and crypto assets broaden, and looking for late-cycle contrarian opportunities such as consumer stocks and small-cap technology companies benefiting from AI adoption.

Risks

  • The BofA Bull & Bear Indicator rose to 8.0 and triggered a sell signal for risk assets, signaling near-term correction risk.
  • Rising bond yields may end the boom or bubble in risk assets.
  • AI and mega-cap technology stocks are pushing market concentration toward historical bubble levels.
  • Record-high private client equity allocation and record-low cash allocation indicate crowded positioning.
  • Persistent outflows from European and emerging-market equities may reflect weakening risk appetite first appearing in the periphery.
  • Weak Asian currencies and rising global capital costs may hit fragile areas such as emerging markets, housing, consumption, and private equity.
  • Outflows from gold and crypto assets show weaker capital support for some non-traditional safe havens or high-risk assets.

What to watch

  • Whether the BofA Bull & Bear Indicator remains near 8.0 or continues to rise.
  • Changes in the U.S. 10-year Treasury yield and the 3-month T-bill yield, and whether private clients increase bond allocations.
  • Whether inflows into U.S. equities and technology rotate from concentrated buying into profit-taking.
  • Whether outflows from European and emerging-market equities continue or widen.
  • Whether FMS cash levels and equity allocations continue to show crowded positioning.
  • Whether the rally in South Korean semiconductor and DRAM export prices can continue, and whether Asian technology keeps transmitting inflation pressure.
  • Trends in the U.S. dollar, Korean won, Japanese yen, Indonesian rupiah, and Indian rupee, especially whether emerging-market risk spreads through FX channels.
  • Whether fund flows into gold, crypto assets, and cash reverse direction.
  • Whether post-IPO market performance resembles historical bubble-top patterns.
Zhejiang ICP No. 2022035445-5
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