Market Cap Trends – Q4 2020 | ETF Trends

By Bryan Novak

• Mega cap stocks have driven domestic stock market performance, by in large, in 2020. Might that be changing?
 Recent trends have seen changes in market segment performance such as small cap and value index performance
• Visibility into a COVID-19 vaccine may support a broader benefit for stocks, not just a few concentrated names

It’s hard to imagine in the year that has been 2020, after the deep collapse in risk assets in March, we would see such strong returns in any pocket of the equity market, especially when the U.S. economy and labor market have yet to recover to pre-pandemic levels. But that speaks more to the secular trend that has lifted not just technology stocks, but innovation segments. The U.S. and global economy were well entrenched in a techno-economic revolution, the likes we haven’t seen since the industrial revolution. This pump was primed and began well before COVID-19. The pandemic only exacerbated the differential between old and new economy. You can’t ignore this point, because in every short-term market move (the trees), there is a big picture to focus on that will drive value (the forest), and that is this.

There has been so much attention paid to mega cap tech and large/mega caps stocks, and for good reason. Return disparities have been great amongst broad equity benchmarks. Backers of the mega cap run use the backdrop I mentioned above to support further gains in this investment thesis. Naysayers, or mean reversion proponents, point to the few number of stocks that have been driving the majority of market returns, creating a wide disparity even amongst the major U.S. equity market indexes. This can be seen easiest in year to date returns (as of 11/13/20):

Source: Bloomberg Data: 1/1/20 – 11/13/20 Returns represent year-to-date performance of the specified indices through 11/13/20. An investment cannot be made directly into an index. Returns assume the reinvestment of dividends.

In Astor’s 2nd quarter conference call – we highlighted the discrepancy in returns between these stocks and the broader equity market. Despite the S&P’s strong rebound in the spring, many of the stocks that make up the S&P lagged the few mega caps heading into the third quarter.

Q4 has suggested a shift in these relationships may be occurring as we move into year end. Moving past election date was one obstacle to clear from a volatility standpoint (certified results or not at this point). But more importantly, early last week and again to open this week’s trading, positive results from Pfizer and Moderna’s COVID-19 vaccine trials, separately, provided some clarity on the unknown for the economy. Looking at return comparisons between market caps and market weighted indexes, we can evaluate trends in these relationships. Coming into 2020, the trends had broadly been favoring the large and mega cap stocks for some time. This accelerated as the pandemic took hold. Tech and new economy companies (i.e.; video calling, online retail, cybersecurity), broadly illustrated by the NASDAQ Composite 100 Index, benefited from the prevailing new reality.

Chart 1

Source: Bloomberg, Astor Calculations Data: [7/1/2015 – 11/13/20]

One can see in chart 1 (above) that mega cap tech stocks pushed 120 rolling returns for the NASDAQ Composite 100 Index well above the S&P 500 Index into the middle of this year. To be sure, this trend was also visible in how the cap-weighted S&P 500 Index outperformed its equal-weighted brethren. The takeaway: diversifying U.S. equity exposure across market cap segments/styles was not as beneficial as in past periods. We’ve observed a reversion of sorts in recent months. The S&P 500 Equal Weight Index has held its own against the cap weighted S&P 500 over recent months and has started to outperform on a rolling 30 day basis (chart 2). A big reason for this has been small cap stocks. A persistent underperformer in recent years, small caps have begun to outperform on a relative basis in recent months. A further sign of encouragement may be found in the upside outperformance, not just relative (chart 3). This could be mean reversion or rotation, but still requires a catalyst.

Chart 2

Source: Bloomberg, Astor Calculations Data: [7/1/20 – 11/13/20]

Chart 3

Source: Bloomberg, Astor Calculations Data: [7/1/20 – 11/13/20]

This is not the first time we’ve seen signs of small cap and value-based indexes trying to make a comeback against their large cap brethren n recent years, so caution is always a virtue and context is prudent when digesting the data. Within our portfolios, staying the course is the ultimate objective. Allocating across ETFs helps to mitigate stock specific risk within the strategies. However, not all sector or market exposures are created the same, so being aware of concentration risk is necessary. We have been looking at ‘other’ options to mitigate risk to concentration, should mega caps move out of favor. This includes increasing exposure to alternate weighted indexes We have been increasing exposure to equal weight allocations such as for the broad S&P 500 Index and the technology sector. This part of the portfolio makes up 23% of the model weight as of November 16, 2020 for the Dynamic Allocation strategy*.

With a vaccine in sight (even if not here yet), the market has begun looking ahead for a move from the economy away from the stay-home model, even as the economy deals with the current reality pre-vaccine. We’ve seen an initial reaction that has favored value over growth, equal weight versus cap weight and small over large, all stemming from the same catalyst. Making wholesale changes against the competing backdrops may be a bit much, but we believe making complementary adjustments may benefit a portfolio in the long run.


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