Three Straight Years of Double-Digit Stock Gains
At first glance, the story sounds reassuring.
The S&P 500 rose roughly 16% in 2025, marking its third consecutive year of double-digit gainsâsomething that has happened only a handful of times since the 1940s.
After three exceptional years, stock market risk is quietly rising beneath the surface.â
Markets survived tariff scares, volatility spikes, and endless predictions of collapse. Artificial intelligence powered a narrow group of mega-cap winners. Patience, once again, appeared to pay.
So why does this setup feel⊠unsettling?
Because historically, this is not how risk disappears. Itâs how it concentrates.
Extreme Outcomes Are RareâAnd Thatâs Exactly the Problem
Three straight years of double-digit gains are rare for a reason.
Markets donât compound smoothly forever. Long stretches of strong returns usually reflect:
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Multiple expansion
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Narrative dominance
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Capital concentration
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Optimism outrunning fundamentals
Those forces donât break immediately. They build fragility quietly.
The danger isnât that markets go up.
The danger is how they went upâand what had to be ignored along the way.
The Rally Was Narrow, Not Broad
One uncomfortable truth: the marketâs strength was highly concentrated.
A small number of stocks accounted for an outsized share of returns. In 2025, NVIDIA alone contributed an estimated ~15% of the S&P 500âs total gain.
Thatâs not diversification. Thatâs dependence.
Historically, markets dominated by a handful of names tend to:
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Look resilient right up until they arenât
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Mask underlying weakness in breadth
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Become vulnerable to any shock that hits the leaders
When leadership narrows, risk doesnât vanishâit piles up.
Nominal Gains Are Hiding Real Losses
In dollar terms, equity investors did well in 2025.
But in real purchasing-power terms, the picture is murkier.
Gold and silver dramatically outperformed equities, meaning:
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Portfolios grew in dollars
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But lost ground relative to hard assets
Thatâs a classic late-cycle signal.
When financial assets rise but stores of value rise faster, it suggests confidence in money itselfânot just growthâis eroding.
Thatâs not a crash signal.
Itâs a trust signalâand it shouldnât be ignored.
Volatility Was Not a BugâIt Was a Warning
The 2025 rally wasnât smooth.
Markets came within a hair of a bear market during the spring tariff shock, falling nearly 20% before recovering. That kind of swing inside a âgreat yearâ matters.
It tells us:
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Positioning was fragile
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Liquidity mattered more than conviction
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Sentiment flipped fast
Healthy bull markets donât typically flirt with disaster and recover purely on narrative momentum.
They donât need to.
Valuations Have Detached From the Margin for Error
Another uncomfortable reality: future returns are now being pulled forward.
After three strong years:
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Valuation multiples are elevated
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Expectations are optimistic
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Risk premiums are thin
That doesnât mean markets must fall.
It means thereâs less room for disappointment.
When outcomes are priced for perfection, even âokayâ results can hurt.

The Psychological Trap Is the Most Dangerous Part
Perhaps the most frightening element isnât valuation or concentration.
Itâs behavior.
After years like this, investors tend to internalize dangerous lessons:
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âVolatility always resolves upwardâ
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âDips are always buying opportunitiesâ
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âMacro risks donât matterâ
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âPatience means never reassessing riskâ
That mindset doesnât fail immediately.
It fails when conditions subtly change and the playbook no longer works.
History Doesnât RepeatâBut It Rhymes Uncomfortably Well
Periods following rare streaks of strong gains often share a pattern:
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Returns become choppier
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Leadership fractures
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Fundamentals start to matter again
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Risk management regains importance
Sometimes markets grind sideways for years.
Sometimes they correct sharply.
Often they do both.
What they rarely do is continue compounding at the same pace without interruption.
Why This Matters Heading Into 2026
None of this guarantees a crash.
Thatâs not the point.
The point is that the distribution of outcomes widens after periods like this:
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Upside still exists, but itâs harder won
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Downside becomes faster and more correlated
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Narrative-driven markets lose forgiveness
In other words, the market becomes less tolerant of mistakes.
The Bottom Line
Three straight years of double-digit gains feel comforting.
Historically, they shouldnât.
They signal:
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Concentration risk
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Valuation risk
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Behavioral complacency
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A shrinking margin for error
The most dangerous markets arenât the ones full of fear.
Theyâre the ones where confidence quietly outruns caution.
Heading into 2026, thatâs the risk worth watching most closely.
Sponsor Note
MacroHint is proudly supported by Lake Region State College, a public college serving North Dakota and the surrounding region with programs focused on workforce development, applied learning, and academic excellence.
Sponsorship support helps make independent, long-form economic analysis possible. Lake Region State College has no influence over the content, viewpoints, or conclusions expressed in this article.
Disclaimer
This article is for informational and educational purposes only and reflects the authorâs opinions at the time of writing. It does not constitute investment advice, a recommendation to buy or sell any security, or a solicitation of any kind. Readers should conduct their own research and consult qualified financial professionals before making investment decisions.
Michael Lazenby is the Editor-in-Chief and Founding Partner of MacroHint. He studied economics, business, and government at UT Austin and has hedge fund experience.