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Small cap stocks lag large caps during volatility

Small cap stocks lag large caps during volatility

06/12/2025
Marcos Vinicius
Small cap stocks lag large caps during volatility

Market turbulence often shines a spotlight on the relative strengths and weaknesses of different segments of the equity universe. In recent years, small cap stocks have significantly underperformed their large cap counterparts, fueling debate over whether this trend represents a temporary setback or a structural shift.

Drawing on a decade of data, historical precedents, and evolving market mechanics, this in-depth analysis explores why small caps falter when volatility spikes, and what investors can learn from this dynamic.

Performance Numbers & Historical Trends

Between 2015 and 2024, the Russell 2000® Index underperformed the S&P 500® Index by approximately 103%. Against the Nasdaq 100, the gap widens to an astonishing 332%. These figures highlight an extended period of persistent relative underperformance for smaller companies.

Yet, history shows that such downturns can be followed by robust rebounds. Over the past century, only three other periods witnessed worse relative results for small caps—each culminating in phases of meaningful leadership by smaller firms.

Since 2000, global small caps outpaced large caps in nearly 70% of all rolling three-year windows. This pattern suggests that, while volatile, the small cap segment can deliver outsized returns over appropriately timed horizons.

Contributing Factors: Why Small Caps Lag

  • Financial Resources & Resilience
  • Volatility & Trading Characteristics
  • Structural Weaknesses of Small Caps

Large-cap enterprises benefit from deeper cash reserves and easier access to credit, allowing them to absorb shocks more effectively. In contrast, smaller firms face limited financial resources and resilience, making prolonged downturns particularly challenging.

Small cap stocks also exhibit heightened volatility and lower liquidity. During the 2020 COVID-19 market crash, the SPDR S&P 600 Small Cap ETF plunged more than 40% within weeks, compared to roughly a 30% drop for the S&P 500. When the market recovered, small caps enjoyed a sharper rally—but from a much lower base.

Structural weaknesses further amplify risk. Smaller companies often have narrower product lines, less diversified revenue streams, and limited operational histories. Their reduced transparency and scant analyst coverage make due diligence more difficult, creating potential for abrupt price swings and higher failure rates.

Broader Market and Economic Structural Issues

The number of publicly listed U.S. companies has declined over recent decades, a phenomenon dubbed the “listing gap.” Consolidation through mergers and acquisitions has shrunk the small cap universe, reducing opportunities for index investors.

Market cycles also influence leadership rotation. Phases in which large caps dominate often sow the seeds for later small cap resurgence, particularly during economic inflection points or waves of technological innovation.

Regulatory shifts targeting dominant large caps—for example, enhanced antitrust scrutiny—can create openings for agile smaller firms to capture market share and disrupt established players.

Potential for Future Outperformance

Innovation has historically powered small cap comebacks. The rise of the internet in the 1990s, the smartphone revolution after 2008, and cloud computing growth post-2012 each fueled small cap leadership phases. Today’s frontiers—artificial intelligence, renewable energy, and biotech breakthroughs—could spark the next rotation.

Investors often chase the “lottery ticket” effect: a handful of small companies deliver outsized gains, then graduate into larger cap status. Although the number of these home-run winners has diminished recently, the potential remains for future breakout stars to drive substantial returns.

Investor Takeaways

Evaluating small caps requires a balanced view of risk and reward. While large caps tend to provide stability and capital preservation during downturns, small caps offer higher growth potential and rebound opportunity over extended cycles.

Successful allocation to small caps hinges on a clear time horizon, risk tolerance, and the ability to withstand interim drawdowns. Diversification across sectors and geographies can help mitigate company-specific risks.

By understanding the cyclical nature of market leadership and remaining disciplined during turbulent periods, investors position themselves to capture the eventual small cap resurgence.

In the long run, volatility can be the ally of disciplined investors. While small cap stocks may lag in the storm, they often surge ahead when calm returns and conditions favor growth and innovation.

Marcos Vinicius

About the Author: Marcos Vinicius

Marcos Vinicius