16 Mar 2021
Yoram Lustig, Head of Multi-Asset Solutions, EMEA | Michael Walsh, Solutions Strategist | Niklas Jeschke, Solutions Strategist
Equity and bond markets have recovered strongly from the sharp falls seen in the first quarter of 2020. Global equities, government bonds, investment‑grade (IG) corporate debt and high yield bonds all produced positive returns last year, with major stock markets such as the US, Japan and emerging markets in China and India up over 15% in local currency terms. Things could be about to become more complicated, however.
We see three key factors driving markets in 2021:
(Fig. 1) Number of days of 1%+ moves in MSCI ACWI in previous three months
Markets are reflecting this uncertainty, with equity market volatility at elevated levels. The number of days in which global equities moved more than 1% in the previous three months (Figure 1). Although this has fallen considerably from last year’s highs, it remains at elevated levels. These returns mean valuations for many asset classes appear inflated (Figure 2).
(Fig. 2) Prices are above long-term average levels
Diversification is vital to building well-balanced portfolios...but some tried and tested approaches may no longer apply.Michael Walsh, Multi‑Asset Solutions Strategist
This leaves investors with a dilemma: How can a portfolio be positioned to benefit from market gains if economic conditions improve and mitigate against potential losses if things deteriorate? This balancing of ‘greed’ and ‘fear’ is one of the oldest problems in investing and one with a relatively simple solution: diversification. We believe that diversification is vital to building well‑balanced portfolios in the current environment—but also that some tried and tested approaches may no longer apply.
Below are some examples of approaches we believe UK investors should try to diversify their portfolios.
When constructing multi‑asset portfolios, we do not allocate based on asset class labels such as equities or fixed income. Instead, we use a component‑based approach that examines the outcomes and characteristics of assets. Allocations to growth assets play a key role in delivering client returns; however, we believe it is also vital to include genuinely defensive assets to deliver stability in volatile markets.
When considering which investments are truly defensive, we focus on conditional correlations with global equities. Long‑term correlations can be misleading; more important are correlations during sell‑offs, when diversification is most needed. For example, correlations of IG, emerging market debt and high yield bonds with equities tend to jump towards one in market volatility such as 2020 (Figure 3). By contrast, these correlations for global government bonds and gilts were lower in 2020 than over the previous decade.
(Fig. 3) Realised asset correlations for 10 years to end 2019 and in 2020
Past performance cannot guarantee future results.
This differentiation helps to ensure each asset plays a clear role in the overall portfolio, linked to its true growth or defensive characteristics.
Contrast this with the approach of some strategic bond funds, which many investors have adopted as anchor holdings within fixed income portfolios. Many assets in such portfolios are likely to fare less well in periods of market volatility compared with truly defensive assets, leaving investors more reliant on manager positioning. This increases the likelihood of negative surprises when other parts of an investor’s portfolio lose value. We believe that true diversification requires assets with defensive features that are always ‘on’ and do not rely on tactical portfolio positioning to deliver protection.
For UK investors, gilts are widely seen as the least risky building block for multi‑asset portfolios. However, we believe that investing in global fixed income markets hedged to sterling comes with significant benefits—not least because it increases diversification. UK rates have fallen more than those on some ‘safe haven’ overseas government bonds, particularly US Treasuries, in recent years. What’s more, we believe the market is underestimating the likelihood that the Bank of England (BoE) will introduce negative interest rates later in 2021, further reducing the cushion—and therefore the diversification benefits—that gilt holdings would provide in bouts of turbulence.
This increases the relative attractiveness of overseas government bonds as a ‘shock absorber’ in periods of market turmoil. While foreign currency exposure generally adds to a portfolio’s expected volatility, unhedged exposures to overseas assets can, in some instances, increase a portfolio’s potential for risk mitigation. Not all currencies are created equal, however. For example, the US dollar, which has often been seen as a bolthole in times of market stress, declined from the second quarter of last year and is expected to continue falling this year. Other currencies, including the Japanese yen and Swiss franc, have also played this role historically (Figure 4). We therefore suggest that investors should review their hedging approach on a currency‑by‑currency basis to avoid unwanted additional portfolio volatility from currencies with fewer diversification benefits.
(Fig. 4) Trade‑weighted GBP versus JPY/USD/CHF in 2008/H1 2020
Broad market government bond indices represent instruments issued across all maturities. One way of diversifying is to invest in longer‑dated bonds. These generally have higher yields than those at shorter maturities and are less directly impacted by central bank policies, so are expected to be more affected by economic drivers than policy drivers. Their higher duration also gives more ‘bang for the buck’ in terms of sensitivity to movements in yields of similar amounts (Figure 5). The longest‑maturity gilt in the UK matures in 2071, while the US issues Treasury bonds with maturities of up to 30 years. Some other governments have issued even longer‑dated bonds—Austria, for example, has issued 100‑year bonds in recent years.
(Fig. 5) Durations for government bonds in the UK, US and Australia
...a key decision in asset allocation is how much equity risk to hold.- Yoram Lustig, Head of EMEA Multi‑Asset Solutions
Equities are among the most economically exposed assets and so tend to be among the worst‑hit in periods of market uncertainty. Therefore, a key decision in asset allocation is how much equity risk to hold. For example, the FTSE All‑Share Index fell by about 35% from a peak in January 2020 to its low in March—just two months later.
Home bias within equity holdings is common in the UK, as it is in other countries. UK investors with home bias in equities are heavily exposed to country‑specific events, as well as to moves in sterling. Although agreement on the terms of the UK’s departure from the European Union has been reached, the impact of that departure remains unclear. The country has been the worst hit by the pandemic amongst the nations of the G‑7, with the time frame for recovery uncertain.
Compared with the US and global markets, the FTSE 100 Index overweights the sectors most associated with value—financials, utilities, consumer staples and energy—and underweights the sectors most associated with growth—information technology and consumer discretionary. Investing in the UK stock market is therefore taking a view that ‘old economy’ value sectors are likely to outperform ‘new economy’ growth sectors—a view that has not been rewarded in recent years. Global diversification is more likely to ensure that portfolio balance across sectors, market capitalisations and styles, for instance, is not jeopardised.
Even for globally diversified equity portfolios, periods of crisis are usually accompanied by a substantial increase in market moves. Few investors can afford to retreat to less risky assets when yields are low and valuations are expensive relative to history. Risk management overlays can mean sharing in the upside if markets continue to do well and mitigate downside risk if markets retreat.
A further step would be to control the exposure of the equity portfolio to these moves. Managed volatility risk overlays aim to maintain equity volatility within a prescribed range. When expected equity volatility rises, the overlay reduces portfolio risk—this allows investors more confidence in maintaining equity market exposure even when the outlook is uncertain.
For many investors, exposure to equity and fixed income markets has been sufficient to meet absolute return targets in recent years. A UK investor holding a portfolio made up of 50% in global equities and 50% in global bonds, for example, would have gained a return of 7.6% p.a. in the 10 years to the end of 2020. However, with valuations elevated in many markets, we expect a return of 3% or less on such a portfolio over the next five years. Investors may therefore see an increased role for active risk in the pursuit of higher returns (Figure 6).
(Fig. 6) 1% alpha as a proportion of total portfolio expected return
In the current uncertain environment, new trends and creative disruption mean opportunities for skilled active managers to add value. This greater focus on manager risk could come via the active management of existing asset holdings or from strategies such as hedge funds, which look to generate most or all of their return regardless of market direction. Active returns—or alpha—have imperfect correlations with market returns and can therefore add to the diversification of portfolios.
Asset allocation in 2021 presents almost unprecedented challenges for investors. The path for asset returns will heavily depend on events relating to the coronavirus pandemic, politics and policy responses—areas where investors may feel less comfortable and more likely to plan for a wide range of possible outcomes. Elevated valuations across asset classes are a further concern, while low yields on gilts make traditional ways of diversifying portfolios less attractive.
Asset allocation in 2021 presents almost unprecedented challenges for investors.- Niklas Jeschke, Multi‑Asset Solutions Analyst
We believe that this environment favours more creative approaches to diversification, including:
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