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Global markets are made up of dozens of asset classes and millions of individual securities, making it challenging to understand what really matters for your portfolio. But there are a few important drivers that can help explain returns across asset classes – these are known as Factors. 

Factor investing, also commonly called “smart beta”, has become prominent in recent years as investors seek to enhance portfolio returns and diversification while keeping volatility low. 

These factors have generated returns due to the following three reasons: an investor’s willingness to take on risk, structural impediments, and the fact that not all investors are perfectly rational all the time.

Factors are not new — they have been present in portfolios for decades. But exchange traded funds (ETFs) have helped to revolutionise how investors access these historically rewarded strategies by capturing the power of factors in a transparent and cost-effective way.

[Editor’s note: Like all investment products, Factor-based ETFs have risks. For example, ETFs that use rules-based strategies to identify stocks might not always provide pure exposure to a Factor, or they might not perform in line with back-testing of the Factor’s historic return performance. Talk to your financial adviser or do further research of your before investing in Factor-based ETFs. Also, consider taking the free ASX online ETF to learn about the features, benefits and risks of ETFs.]

What are Factor ETFs?

Remember how hard it used to be to book a vacation? We used to spend hours on the phone with a travel agent, then wait days, even weeks for them to work their magic. And that magic came with a high fee because only travel agents had access to the important information needed to book our vacation.

But the information that was once only available to travel agents is now available to anyone – within seconds. Travel sites have made finding the perfect hotel cheaper, faster, and more efficient.

The same is true for investing. For years, active managers used teams of analysts to find stocks that seemed more likely to outperform. As an investor, you had to pay a lot in fees to access that thinking.

Many of the traits that active managers have looked for (like buying under-priced or quality stocks) are called factors. And just like you no longer need to call a travel agent to book an affordable, quality vacation, you no longer need to pay large fees for active managers to choose the right stocks based on factors.

Now, you can use factor ETFs to invest in stocks that exhibit the Factors that have historically driven portfolio returns.

Just as travel sites use simple filters to quickly drill down to the perfect hotel, factor investing provides access to security screens that active managers have used for generations. Thanks to data and technology, the investment ideas that once took a team of analysts months to research now take a fraction of the time, at a fraction of the cost.

What are the Factors?

There are five factors that have historically proven to be drivers of return:

  • Quality, which identifies companies with strong and healthy balance sheets. 
  • Minimum Volatility, or stocks that are less volatile than the broad market. 
  • Size, which targets smaller, more nimble companies. 
  • Momentum, which seeks stocks on an upswing. 
  • Value, which targets stocks that are inexpensive relative to their fundamentals.

Understanding how Factors work can help you capture their potential for excess return and reduced risk. Given that Factors are driven by different phenomena, they are generally lowly correlated, and performance tends to vary in certain market regimes. The performance of various Factors over the past market cycle shows why a dynamic approach to Factor allocation matters. 

For instance, while the Momentum factor has been the prime beneficiary of a more than decade-long sharemarket bull run (as low rates and, more recently, pandemic-induced shutdowns powered Technology stocks) this has since given way to Value, and to an extent Quality. 

This makes sense intuitively – with the post-pandemic economic restart, growth became more widely available and was no longer the preserve of a select few companies in Tech. Value stocks – those that have low prices relative to fundamentals – returned to favour. 

Furthermore, from the third quarter of last year, amid surging inflation and Fed hawkishness, Quality—marked by profitable growth companies with superior pricing power—began to shine. 

Again, this is what you might expect. High-quality stocks with more stable earnings, stronger balance sheets and higher margins are better placed to weather an uncertain economic outlook in iShares’ views.

In this market regime, the Quality factor offers portfolios a degree of resiliency. Similarly, investors looking for downside protection in a volatile market might add exposure to Minimum Volatility strategies to seek reduced risk. 

Factor Strategy

What does it do?

Single Factor

Targets exposure to a factor that has been a long-term driver of returns, such as:

Value: Stocks discounted relative to fundamentals

Quality: Financially healthy companies

Momentum: Stocks with an upward price trend

Size: Smaller, more nimble companies


Seeks to provide diversified exposure to a variety of factors

Minimum Volatility

Invests in a balanced portfolio of stocks that display lower overall risk to the broad market

Fixed Income

Targets exposure to historically rewarded factors in fixed income securities to seek better risk-adjusted returns


Source: BlackRock

How do Factor ETFs fit in a portfolio?

Factor ETFs deliver the time-tested power of Factors in a low-cost and tax-efficient investment vehicle, revolutionising access for everyday investors.

The diagram below shows how Factors play a critical role in meeting the return demands of a typical investor while keeping a lid on cost.

Source: BlackRock

At BlackRock, we advocate an “equity pyramid” approach to portfolio building. This pyramid combines index investing, which provides broad market exposure at low cost, with Factors that have persistently outperformed or reduced portfolio risk. On top of this, deploying capital through active managers gives an investor access to Alpha-seeking strategies which have consistently beaten markets. 

All in all, Factor Strategies allow both small and large investors to be nimble and dynamic. Who said finding the right portfolio mix is expensive and difficult? 

For further information on Smart Beta ETFs please visit the iShares website.

Issued by BlackRock Investment Management (Australia) Limited ABN 13 006 165 975, AFSL 230 523 (BIMAL)

This material provides general information only and does not take into account your individual objectives, financial situation, needs or circumstances. Before making any investment decision, you should assess whether the material is appropriate for you and obtain financial advice tailored to you having regard to your individual objectives, financial situation, needs and circumstances. Refer to BIMAL’s Financial Services Guide on its website for more information. This material is not a financial product recommendation or an offer or solicitation with respect to the purchase or sale of any financial product in any jurisdiction.

 BIMAL, its officers, employees and agents believe that the information in this material and the sources on which it is based (which may be sourced from third parties) are correct as at the date of publication. While every care has been taken in the preparation of this material, no warranty of accuracy or reliability is given and no responsibility for the information is accepted by BIMAL, its officers, employees or agents. Except where contrary to law, BIMAL excludes all liability for this information.

Any investment is subject to investment risk, including delays on the payment of withdrawal proceeds and the loss of income or the principal invested. While any forecasts, estimates and opinions in this material are made on a reasonable basis, actual future results and operations may differ materially from the forecasts, estimates and opinions set out in this material. 

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