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Are Small Caps Investable?

Are Small Caps Investable?

A look into if small caps are a trap or a steal

Eric Soda
Aug 13, 2025
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Are Small Caps Investable?
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Small-caps have been the awkward kid in the investing classroom lately. They sit quietly in the back, waiting to be called on, while the big names in the S&P 500 hog all the attention (and the gains).

The S&P 500, Nasdaq, Bitcoin and gold are all at all-time highs. Meme stocks have even made a comeback.

That brings us to small-caps — stuck on the outside of this party, looking in.

Small-caps have actually been on the outside looking in for years, which raises the question: Are they still investable?

First, let’s look at how badly they’ve underperformed the S&P 500.

This is a great chart and note from Jim Paulsen.

It’s been a tough bull market for small company stocks. As shown in chart 1, the current decade started out okay. After a short but sharp pandemic bear market in 2020, small cap stocks significantly outpaced the tech-fueled S&P 500 index during the post-pandemic bull market ending in December 2021. That was the last time small cap stocks led over their larger cap brethren.

Source: Jim Paulsen

Looking at it from the view of another chart.

Source: Phil Rosen

You can see the drastic underperformance of small-caps.

The truth is, the underperformance of the Russell 2000 to the S&P 500 goes back even further than these two charts show. Here is a comparison between the Russell 2000 and the S&P 500 from YTD, 5 year and 10 year performance.

YTD

  • S&P 500 +9.84%

  • Russell 2000 +2.56%

5 Years

  • S&P 500 +91.11%

  • Russell 2000 +45.28%

10 Years

  • S&P 500 +208.18%

  • Russell 2000 +88.24%

I know, not a pretty picture at all. Now let’s look to see if now is the time to invest in small-caps or if they’re just uninvestable. Are they currently a trap or a steal?

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