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Decline

24-04-2025 · Insight

The many faces of growth

Quantitative investing is inspired on the insight that certain stock characteristics – or factors – are associated with higher long-term returns. Value, momentum, quality, and low risk are widely recognized as offering robust, persistent premiums. But what about growth? Is it a factor in its own right, or simply a shapeshifter, taking on different roles depending on how it's defined?

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    Authors

  • David Blitz - Chief Researcher

    David Blitz

    Chief Researcher

Summary

  1. Investors often wonder: Is there a distinct growth factor premium?

  2. Growth can be the opposite of value, a dimension of quality, or business momentum

  3. Expected premium can be negative, flat, or positive depending on the definition

Our recent research explores three main definitions of growth and examines whether any of them justify treating it as a standalone alpha factor.

1. Growth as the opposite of Value

In the academic literature, growth is often defined as the opposite of value. Value strategies favor stocks with low valuation multiples (like price-to-earnings or price-to-book), while growth stocks tend to be expensive by those same metrics. Historically, stocks with high valuation multiples have underperformed, implying a negative growth premium under this definition.

That doesn’t mean quants avoid growth entirely. In a multi-factor model, valuation is only one input. An expensive stock might still earn a place in the portfolio if it scores highly on other factors such as momentum or quality. Similarly, a cheap stock could be excluded if it looks like a value trap. In real life, of course, practitioners do not usually define growth as the polar opposite of value, with growth investors in particular seeing their objective as being to identify stocks likely to deliver (even) more growth than priced in by the market.

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2. Growth as a dimension of Quality

Quants are quite familiar with the kind of earnings and sales growth metrics used by MSCI or fundamental investors, but usually consider these to be a potential dimension within a broader quality factor. Here, the strength of company fundamentals is considered without the corresponding price tag; something that also applies to growth metrics.

Indeed, both quality and growth stocks tend to be more expensive. Historical valuation data for the MSCI World Quality Index confirms that it consistently trades at higher valuations than the broader market, regardless of the valuation metric used. This overlap strengthens the argument for treating growth as part of the quality family rather than a separate factor.

However, for growth to stand alone as a quant factor, it must be both clearly distinct and deliver strong returns. Historical data from the Jensen, Kelly, and Pedersen factor library, which spans over 60 years of US stock returns, suggests otherwise. Figure 1 shows that while value, momentum, and quality factors all show annual premiums of 5 to 7%, growth-related factors fare worse: profitability growth delivers just 2%, and sales growth even shows a negative return of -2%.

Figure 1 | Historical performance of selected US factors, July 1963 to December 2023

Figure 1 | Historical performance of selected US factors, July 1963 to December 2023

Source: Jensen, Kelly, and Pedersen factor library. July 1963-2023. This chart is for illustrative purposes only and does not represent an actual product or strategy.

Furthermore, in our research on the factor zoo, we found that growth factors fail to make it into the top 15. Figure 2 shows how, in one of our Enhanced Indexing strategies, exposures towards growth factors are marginally positive on average but dwarfed by the exposures to other factors.

Figure 2 | Exposures of Robeco Global Developed Markets Enhanced Indexing strategy to generic factors, July 2024

Figure 2 | Exposures of Robeco Global Developed Markets Enhanced Indexing strategy to generic factors, July 2024

Source: Robeco. July 2024. This chart is for illustrative purposes only.

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3. Growth as Business Momentum

In practice, the concept of growth is open to many more interpretations, which may help explain why it’s prominent in the models of some quant managers.

The wide range of academic definitions of growth add another layer of complexity, where signals grouped under the ‘growth’ umbrella aren’t always obviously related. For example, Jensen, Kelly, and Pedersen1 use statistical clustering to group over 150 factors into 13 categories. One cluster, labeled ‘profit growth’, includes traditional growth metrics but also momentum-like signals, such as seasonal return patterns and earnings surprises. Other studies, like Hou, Mo, Xue, and Zhang’s2 expected growth factor, blur the line further, with ‘growth’ metrics overlapping heavily with profitability factors.

Indeed, many signals that relate to short-term market sentiment or business momentum may be labeled growth, including analyst revisions, credit card data, job postings, or media sentiment. These short-term indicators reflect changing expectations about a company’s future prospects – arguably a form of growth. This perspective can justify an expected premium for growth that is positive, while bearing in mind that an improved short-term outlook may be quite different from long-term earnings and sales growth pathways.

Conclusion

When discussing growth as an alpha factor, it’s essential to ask: what kind of growth? If growth is simply the opposite of value, the expected premium is negative. If it’s defined as past or forecasted earnings and sales growth, the premium is weak or nonexistent. If it’s understood as short-term sentiment or business momentum, the outlook may be more positive – but then the label ‘growth’ may not really fit.

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Footnotes

1 See their factor library at https://onlinelibrary.wiley.com/doi/full/10.1111/jofi.13249 for more information.
2 See https://global-q.org/uploads/1/2/2/6/122679606/q5rf2021.pdf.