What Kind of Returns Can You Anticipate from Your Portfolio?

Investors with well-diversified portfolios may notice their overall performance looks different from the most well-known market benchmarks. Here’s why.

When building an investment portfolio, clients commonly ask what rate of return is reasonable to expect over the long term. Related to that point, clients often wonder why their portfolio’s returns may be different relative to well-known benchmarks, or indexes like the S&P 500. Let’s dig into both.

What rate of return is a fair long-term expectation?

Many investors believe that an appropriate expected return for the broad U.S. stock market is 10% annually based on the long-term average. However, over longer periods of time, the difference between expected returns and actual returns can be substantial, particularly for high-risk portfolios. While staying invested over a longer time helps mitigate this difference, it does not eliminate this investing reality. One can get a sense of this by looking at the decade-by-decade annualized returns of the broad U.S. stock market and comparing it with a 10% expected return.

The total market return came close to 10% in only two decades – the 1940s and 1960s – and it beat that expectation in four decades. This illustrates one of the primary challenges of investing: Returns can diverge significantly from expectations, even over long periods of time. Nevertheless, investors would be wise not to abandon their well-thought-out investment plan when this happens. A smarter strategy is to design your portfolio to mitigate this risk through broad diversification.

What drives differences in portfolio returns relative to well-known benchmarks?

For investors in well-diversified portfolios, the two main building blocks are high-quality bonds and stocks. Within the stocks category, you’ll not only have exposure to the broad U.S. stock market but also to international and emerging markets. Your portfolio may also have increased exposure to small company stocks and value stocks. That means there are four primary drivers of both expected and realized returns in your portfolio – but a market benchmark like the S&P 500 only captures one of those drivers. Importantly, the returns you earn in either an absolute sense or relative to a market benchmark may be different. Let’s look at the four primary investment categories and what the current indicators of returns are showing:

Returns on high-quality fixed income investments

A good indicator of long-term expected returns on fixed income, or bonds, is the current interest rate, or yield. Understandably, when interest rates are relatively high, as in the 1980s and 1990s, you can expect realized returns on fixed income to be higher. Similarly, you can expect lower returns during periods of low interest rates, like the 2010s. This means that the returns you can expect on fixed income, even over long horizons, can be different depending upon the historical starting point. Currently, we believe sensible long-term expected returns on high-quality fixed income are around 4% per year.

Returns on the broad U.S. stock market

For stocks, providing an estimate is far more complicated. A good place to begin is looking at starting price-to-earnings (P/E) ratios – which you calculate by dividing a stock’s current price by its earnings per share (EPS) – and expected inflation. Generally, investing in stocks when P/E ratios are lower tends to lead to higher long-term returns, as this indicates you are entitled to more earnings and dividends for each dollar invested. However, this relationship can be unpredictable. Currently, the P/E of the broad U.S. stock market is around 25. The long-term average has been around 16, indicating that U.S. stocks are expected to provide lower returns than in the recent past.

Returns on broad international and emerging markets

Returns on value and small company stocks

The final driver of portfolio returns for some investors is whether their stock allocation looks significantly different from the overall global equity market, particularly whether it is tilted toward companies that are smaller and have lower P/E ratios. Over the longer term, we believe these tilts can be incrementally additive to returns. However, this also means that the returns of tilted portfolios will, by definition, be different from the market over both shorter and longer periods of time.

Conclusion

It is important to understand how your portfolio may differ from market benchmarks. For example, the S&P 500, an index tracking the performance of 500 U.S. stocks, likely only provides insight for how a portion of your portfolio is performing. Expected and realized performance of bonds, international stocks and other diversifying investment strategies will be key to setting reasonable expectations. Speak with your wealth advisor if you have questions about your portfolio allocation and whether you’re on track to meet your goals.

Ready to learn more? Schedule an introductory meeting or contact us via email at info@beaconhillprivatewealth.com. Let us help you design a spend-down strategy that ensures your financial security and peace of mind.

Beacon Hill Private Wealth is an independent, fee-only, fiduciary investment advisor providing evidence-based wealth planning solutions that simplify our clients' financial lives.  We serve clients in the state of New Jersey and across the country.

Founder Tom Geoghegan, CFP®, CIMA®, CPWA®, RMA® is also a member of the National Association of Personal Financial Advisors (NAPFA), the Financial Planning Association (FPA), and featured on the Fee-Only Network. 

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Our colleague Jared Kizer is the Head of Investment Research for Buckingham Strategic Partners.

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