📰Passive investing at a crossroads: why ETFs can be a bubble, and how to avoid it
Let's take a closer look at passive investing and its potential risks.
Text for different levels of experience: for beginners and stock market gurus.
💡 Briefly about the essence
In the world of investors, the approach of buying ETFs that repeat popular indices, such as the S&P 500, has already become a “golden classic”. It seems like a simple and ingenious idea: you invest in all the largest companies in America at the same time, save time and do not worry about choosing specific stocks. But now the question comes to the fore:
Is this crazy flow of money into funds turning into a new investment bubble?
🤔 Where did the idea of a “bubble” come from?
Michael Berry, the legendary investor who predicted the 2008 crisis, warns that the excessive popularity of passive investing can destroy the normal mechanism for determining the “fair” price of stocks.
Shares in the S&P 500 are automatically bought by everyone who invests in ETFs, without detailed analysis. This distorts the proportions in the market and concentrates a huge share of money in a few “top” companies.
📈 Why is this potentially dangerous?
Risk concentration: Currently, about a third (!) of the S&P 500 capitalization is in just 7 technology “giants” (Apple, NVIDIA, Microsoft, etc.).
If these giants fail, the entire index will fall.
Blind buying: When you buy an ETF, you get a “package” of all 500 companies, regardless of their financial form.
Liquidity at risk: If a massive sell-off begins, there may be a catastrophic shortage of buyers. As Berry said, “everyone will break into one small exit at the same time 🚪”.
💸 How will this affect the market?
Overpriced: Stocks may rise not because of real earnings growth, but simply because funds are “pouring” money into the index.
Panic: In the event of a collapse in the technology sector or a sharp change in investor sentiment, this “bubble” may burst, leading to a chain reaction in the market.
🏦 Possible consequences for business
A decline in the capitalization of companies that until recently seemed “unshakable”.
Less investment in non-index, but potentially strong companies (due to the fact that all the money goes into ETFs).
Long years of recovery (as was the case after the crisis of 2000 or 2008).
🔍 What is behind this phenomenon?
The popularity of passive investing: convenient, “on autopilot”.
Low management costs: ETFs have minimal fees.
The cult of “the market always goes up”: Many new investors believe this as dogma.
⚠️ Key risks
A possible collapse of 20–30% or more when the tech sector “magic AI dust” flies out.
Underestimating alternatives outside the S&P 500, because big capital only goes into index funds.
Panic sales: If everyone decides to “run away” at the same time, the ETF price can collapse faster than you can react.
✅ How to protect yourself?
Careful diversification: allocate funds between different ETFs, sectors, even regions. Don’t put everything on one index.
Fundamental analysis: Even if you are a “passive” investor, “scan” your portfolio at least once a year, look at the proportions in different industries.
Anti-crisis strategy: always have a plan (set limits, consider hedging options, etc.).
Ask yourself: are you willing to hold an ETF if it drops 50% and wait 5–10 years for a recovery?
🎯 Conclusion
Passive investing in itself is a good thing in the long run. But betting too much on one index (especially with a few “super heavyweights”) can be disappointing if the market goes the wrong way. The key rule:
Don’t forget about risks, even if you are a “passive” investor. Distribute funds and monitor events — this will save you from unpleasant surprises.
Remain critical and ready for change!
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