Global diversification is key to long-term success

It has been a few months since I published my last LinkedIn article, and what a difference a few months can make! Since then, we have experienced a pandemic and unprecedented market volatility.

The COVID-19 crisis has contributed to the largest and most abrupt shock to global growth in modern history, but it has had an uneven impact on various countries and regions in terms of severity as well as timing. Some regions were impacted earlier and have since recovered, and some are continuing to deal with the crisis. Some countries thought that they had seen the worst only to experience a second wave, while others escaped relatively unscathed. There continues to be a lot of uncertainty as to how the next few months and quarters will play out. This uncertainty means volatility will likely remain high as the economy and markets continue to recover from the impact of the pandemic.

Pandemic leads to market divergence 

When I published my last article in mid-April, we had just come through the shortest bear market in history, although at the time it was still too early to say whether it was over. With bond yields near historic lows, we have seen a significant recovery in stocks since the equity-market bottom in late March. However, not all equity markets have recovered at the same pace. There has been significant divergence between the best- and worst-performing segments of the market in 2020 as illustrated in the table below. The table highlights the varying degrees to which markets around the world have responded to the crisis and shows divergences that are likely to persist as markets continue to recover from the impact of the pandemic.

Asset class performance

Looking at Canada, the weak performance of domestic equities so far in 2020 has likely had a disproportionate effect on investors when you consider that the average Canadian has 90% of their assets tied to Canada. While not necessarily a Canadian phenomenon, this home country bias can result in significant country-specific risk due to the concentrated nature of our capital markets. For this reason, we recently reduced our strategic allocation to Canadian equities in favour of global equities across many of our balanced and multi-asset solutions. Canadian equity performance is highly dependent on a handful of sectors, namely Financials, Energy and Materials. The performance of these sectors is influenced by the outlook for interest rates and commodity prices, which are in turn tied to global economic growth. Given the weak economic environment that we are experiencing, it isn’t surprising that the Canadian economy and markets have underperformed. 

“While the basic principles of diversification haven’t changed over the years, how we diversify our portfolios has. Taking a global approach to diversification is a critical component to managing volatility and positioning portfolios for the future.”

If recent history has shown us anything, it’s that diversifying across and within asset classes, and taking a global view, is an effective way to manage volatility. Such an approach can help you to reduce the impact of localized downturns and diversify your sources of investment returns across multiple regions.

We often use the table below – known as the “quilt” – to demonstrate this idea. It shows that no single market has consistently outperformed any other over the past 10 years. It also shows that a globally diversified portfolio exhibits less volatility year-over-year relative to individual asset classes and markets. That is because we are spreading risks across multiple markets so that the performance of a single investment cannot have an outsized impact on portfolio returns. While this might mean that you have to give up some performance on the upside, it helps to minimize your downside and keeps you invested through short-term market declines like the one that we just experienced. 

Asset class returns over the last decade 

What can investors expect from the global economy and markets going forward? As countries ease lockdown measures, the most prominent risk is that the virus regains traction and forces economies into a second closure. The U.S. election in November and the deterioration of U.S.-China relations could also serve as sources of volatility for global economies and financial markets.

As the past six months have shown, markets are unpredictable and risks can surface quickly and unexpectedly. It is often difficult to foresee these developments in advance, so taking a globally diversified approach will help to mitigate the impact of these events on portfolio returns. As I have said before, and you will hear me say many more times in the future, global diversification is key to long-term success.

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