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Charting the Market: What to Make of the Changes in Style Market Leadership

  • Value and growth styles have alternated market leadership at a higher rate and with more volatility in the past few months than at any point in the last 30 years.1
  • Unlike prior years, neither style has had a consistent run of extended outperformance in 2021.
  • Multi-factor core solutions that have balanced exposure to market factors may allow investors to mitigate the volatility and uncertainty of this leadership dynamic amid the recovery.
Head of SPDR Americas Research

With our inability to prune the latest COVID variant from the market’s recovery timeline, we have entered a new branch of the reopening — oscillating between a return to normalcy and relapse. This has led to more frequent gyrations among style returns, with leadership becoming less persistent and more volatile.

With such variability between pro-cyclical (reopening stocks) and secular (high growth) exposures, investors have been left to decide which market style exposure to invest in — creating more uncertainty in an already uncertain world.

In this Charting the Market, I illustrate how volatile leadership has become, and what solutions investors may want to consider when navigating the increased choppiness of returns.

Growth. Now Value. Now Growth. Now Value.
In June, growth was underperforming value by 5% over the prior four weeks (i.e., rolling one-month returns), a two standard deviation event. Fast forward one month, and growth was outperforming value by 10% in the middle of July — a more than three standard deviation event. As of the end of July, growth’s outperformance did decline (+5% versus value in the prior four weeks), but was still above one standard deviation, as shown below.

Z-Score (Growth Minus Value Trailing One-Month Returns — Weekly Granularity)

This flip-flop nature of style market leadership is also evident when analyzing the volatility of the excess returns between growth and value. As shown below, the standard deviation of the trailing one-month excess returns has been severely elevated of late, peaking in April 2021. It has been well above levels witnessed at the onset of the pandemic and beyond prior peaks (dot-com bubble). In fact, there have only been a few weekly observations in 2021 that have registered below the long-term historical median. As a result, the average volatility level has been 3.0% in 2021, 90, 110, and 30 percentage points more than the average volatility in 2020, 2008/2009, and 1999/2000, respectively.

Volatility of Growth Minus Value Trailing One-Month Returns — Weekly Granularity (%)

Limited Winning Streaks
There is more evidence of style returns not following a specific trending pattern. On average, over the last 30 years, there has been at least one period in every calendar year where either growth or value has gone on an extended winning streak in relation to the other style, as defined by ten consecutive weeks of outperforming rolling one-month returns.

In 2021, however, there has been no such streak. This reinforces the lack of persistency of a particular style as the market lacks clear direction amid concerns over the vibrancy of the recovery, as we witness yet another rise in cases and mobility restrictions alongside uneven economic data.2 Until there is clear evidence of the direction of the recovery, this current trend is likely to persist.

Number of Ten-Week Rolling One-Month Return Winning Streaks

Blend Styles to Mitigate Style Cyclicality
Factors/styles are cyclical exposures impacted by macro variables and market dynamics over short-term periods, even if over a long term they may earn a premium. This cyclicality, however, has been heightened given the level of uncertainty in the market right now.

In this environment, focusing on one specific style may not be the optimal approach. Multi-factor solutions that blend styles together, and therefore could have attributes of both growth and value, may be more applicable as this ever-changing leadership dynamic continues to unfold. Overall, a more balanced stylistic approach may allow investors to mitigate the volatility and uncertainty of this leadership dynamic amid the recovery — particularly in the core of a portfolio.

Check out more charts like the ones in this blog in our monthly chart pack.

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