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US voters have spoken. How will the markets respond?

09 November 2016 | Topical insights

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With the United States presidential election now behind us, investors in the United Kingdom and around the world may wonder how their portfolios could be affected by the outcome of this contentious political season.

The answer – based on Vanguard research that looked at decades of historical data – is that presidential elections typically don't have a long-term effect on market performance.

Jonathan Lemco"It's understandable that investors might have concerns because of the different policy positions of the candidates and the strongly held views of voters of all political persuasions," said Jonathan Lemco, a senior strategist in Vanguard Investment Strategy Group and former professor of political science at Johns Hopkins University in the United States.

"Investors," Mr Lemco said, "should invest for the long term and not subject themselves to the political whims of the moment."

Of course, an election can have a short-term effect, and US equity market volatility tends to spike during presidential election years. The markets, Mr Lemco said, "don't like uncertainty, and presidential elections by definition add another layer of uncertainty."

But he also pointed out that the volatility typically stops increasing shortly after Election Day, once the markets have had a chance to process the news.

US stock market volatility stops increasing soon after presidential elections

Election figure 1

Source: Vanguard calculations based on data from Thomson Reuters Datastream, 2016. Figures represent Chicago Board Options Exchange Volatility Index (VIX) averages over 30-day periods.

Markets do about the same under Democrats and Republicans

Vanguard research going back to 1853 shows that equity market returns are virtually identical no matter which party controls the White House.

Average annual US equity market returns based on party control of the White House, 1853–2015

Election figure 2

Source: Global Financial Data, 1853-1926; Morningstar and Ibbotson thereafter through 2015. Returns are nominal.

"Once you take into account volatility, the returns of the share market under Democratic and Republican administrations are virtually indistinguishable," Mr Lemco said. "This is one more reason why investors should focus on more meaningful factors when it comes to their portfolios, such as diversification and controlling costs."

As for fixed income investments, Mr Lemco noted that presidential elections have very little impact on bond markets, either.

"The primary driver of bond market performance is the US Federal Reserve," he said. "Our research shows that the Fed has been active in several recent presidential election years, having raised and lowered rates. So its behaviour doesn't deviate much from that of other years."

The Federal Reserve has raised and lowered interest rates in presidential election years

Effective federal funds rate on 1 January and 1 November

Election figure 3

Source: Vanguard calculations based on data from the Federal Reserve Bank of St. Louis, 2016.

Other factors are more important in the long run

Keep in mind that many factors influence market behaviour. Vanguard believes the most important is market valuations, but others include globalisation, technology, demographics, the Fed and the economy, and unforeseen events such as wars and natural disasters.

To illustrate this point, Mr Lemco noted that while the Standard & Poor's 500 Index experienced some of its strongest gains during the presidency of Gerald Ford (a Republican who served from 1974 to 1977), this was primarily because equities were attractively valued following the bear market of the early 1970s that ended shortly after Mr Ford took office.

Is 2016 different?

Because the 2016 campaign was surprising for some, investors might worry that this adds even more uncertainty for the markets. Mr Lemco cautioned that the current situation doesn't necessarily mean higher volatility now the voters have made their choice.

"Despite the surprising nature of this election year, volatility hasn't exceeded normal levels for a presidential election year and there's no indication that it will deviate from typical patterns after the election," he said.

What investors can do

Rather than react to the latest headlines, Mr Lemco said, investors should remain focussed on the following enduring principles, which involve things they can control:

  • Set clear investment goals.
  • Ensure that portfolios are well diversified across asset classes and regions.
  • Keep investment costs as low as possible.
  • Take a long-term view.

"The outcome of the election is meaningful because markets inevitably react, and having some context for short-term market movements can help investors manage expectations," he said. "But in the end, short-term developments are less important to our success than the big-picture trends that will shape markets in the years ahead."

Important information:

This article is directed at professional investors and should not be distributed to, or relied upon by, retail investors.

This article is designed for use by, and is directed only at, persons resident in the UK.

This article was produced by Vanguard Asset Management, Limited. It is for educational purposes only and is not a recommendation or solicitation to buy or sell investments.

The value of investments, and the income from them, may fall or rise and investors may get back less than they invested.

Any projections should be regarded as hypothetical in nature and do not reflect or guarantee future results.

The opinions expressed in this article are those of the individual authors and may not be representative of Vanguard Asset Management, Ltd.

Issued by Vanguard Asset Management, Ltd, which is authorised and regulated in the UK by the Financial Conduct Authority.

 

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