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U.S. presidential elections can be tough on the nerves, and 2020 promises to be no different. Politics can bring out strong emotions and biases, but investors would be wise to put these aside when making investment decisions.

Benjamin Graham, the father of value investing, famously noted that “In the short run, the market is a voting machine but in the long run, it is a weighing machine.” He wasn’t literally referring to the intersection of elections and investing, but he could have been. Markets can be especially choppy during election years, with sentiment often changing as quickly as candidates open their mouths.

Graham first made his analogy in 1934, in his seminal book, “Security Analysis.” Since then there have been 22 U.S. election cycles, and we’ve analyzed them all to help you and your clients prepare for investing in these potentially volatile periods. Below we highlight three common mistakes made by investors during U.S. election years and offer ways to avoid these pitfalls and invest with confidence in 2020.

Mistake #1: Investors worry too much about which party wins the election

There’s nothing wrong with wanting your candidate to win, but investors can run into trouble when they place too much importance on election results. That’s because U.S. elections have, historically speaking, made essentially no difference when it comes to long-term investment returns.

“Presidents get far too much credit, and far too much blame, for the health of the U.S. economy and the state of the financial markets,” says Capital Group economist Darrell Spence. “There are many other variables that determine economic growth and market returns and, frankly, presidents have very little influence over them.”

What should matter more to investors is staying invested. Although past results are not predictive of future returns, a US$1,000 investment in the S&P 500 made when Franklin D. Roosevelt took office would have been worth over US$14 million today. During this time there have been exactly seven Democratic and seven Republican presidents. Getting out of the market to avoid a certain party or candidate in office could have severely detracted from an investor’s long-term returns.

By design, elections have clear winners and losers. But the real winners were investors who avoided the temptation to base their decisions around election results and stayed invested for the long haul.

Mistake #2: Investors get spooked by primary season volatility

Markets hate uncertainty, and what’s more uncertain than the U.S. election primary season (i.e. a series of state elections to determine each party’s nominee)? With so many candidates on the campaign trail — 11 Democrats were still running when primaries kicked off in early February — the range of outcomes can feel daunting.

But volatility caused by this uncertainty is often short-lived. After the primaries are over and each party has selected its candidate, markets have tended to return to their normal upward trajectory.

Election year volatility can also bring select buying opportunities. U.S. policy proposals during primaries often target specific industries, putting pressure on share prices. This cycle, it’s the health care sector that’s in the spotlight as several candidates have proposed overhauls to drug pricing and the health care system.

Does that mean you should avoid this sector altogether? Not according to Rob Lovelace, an equity portfolio manager with 34 years of experience investing through many election cycles. “When everyone is worried that a new government policy is going to come along and destroy a sector, that concern is usually overblown,” Lovelace says. “Companies with good drugs that are really helping people will be able to get into the market, and they will get paid for it.”

In the past, those targeted sectors have often rallied after the campaign spotlight dimmed. It happened with health care following the 2016 presidential and 2018 midterm elections in the U.S., and has happened with other sectors in the past. This can create buying opportunities for investors with a contrarian point of view and the ability to withstand short-term volatility.

Mistake #3: Investors try to time the markets around politics

If you’re nervous about the markets in 2020, you’re not alone. U.S. presidential candidates often draw attention to the country’s problems, and campaigns regularly amplify negative messages. So maybe it should be no surprise that investors have tended to be more conservative with their portfolios ahead of presidential elections.

Since 1992, investors have poured assets into U.S. money market funds — traditionally one of the lowest risk investment vehicles — much more often leading up to elections. By contrast, equity funds have seen the highest net inflows in the year immediately after a U.S. presidential election. This suggests that investors may prefer to minimize risk during election years and wait until after uncertainty has subsided to revisit riskier assets like stocks.

But timing the market is rarely a winning long-term investment strategy, and it can pose a major problem for portfolio returns. To verify this, we analyzed investment returns over the last 22 U.S. election cycles to compare three hypothetical investment approaches: being fully invested in equities, making monthly contributions to equities, or staying in cash until after the election. We then calculated the portfolio returns after each cycle, assuming a four-year holding period.

The hypothetical investor who stayed in cash until after the election had the worst outcome of the three portfolios in 16 of 22 periods. Meanwhile, investors who were fully invested or made monthly contributions during election years came out on top. These investors had higher average portfolio balances over the full period and more often outpaced the investor who stayed on the sidelines longer. (For more information on the methodology of this analysis, please refer to the notes section at the end of this article or the full Guide to investing in a U.S. election year.)

Sticking with a sound long-term investment plan based on individual investment objectives is usually the best course of action. Whether that strategy is to be fully invested throughout the year or to consistently invest at regular intervals, the bottom line is that investors should avoid timing the market around politics. As is often the case with investing, the key is to put aside short-term noise and focus on long-term goals.

How can investors avoid these mistakes?

• Don’t allow election predictions and outcomes to influence investment decisions. History shows that U.S. election results have very little impact on long-term returns.
• Expect volatility, especially during U.S. election primary season, but don’t fear it. View it as a potential opportunity.
• Stick to a long-term investment strategy instead of trying to time markets around elections. Investors who were fully invested or made regular, monthly investments did better than those who stayed in cash in election years.

Download the Guide to investing in a U.S. election year (PDF)