Striking Portfolio Balance with Gold Stocks

By: Frank Holmes | Mon, Dec 19, 2011
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Gold stocks have historically ranked among some of the most volatile asset classes. Over any given one-year period, it is a non-event for gold stocks to move plus or minus 38 percent. This DNA of volatility is about three times that of gold bullion, which carries an annual volatility around 13 percent.

Despite this volatility, our research shows that investors can use gold stocks to enhance returns without adding risk to the portfolio.

In 1989, Wharton School finance professor Jeffrey Jaffe completed an academic study that illustrated the effects of portfolio diversification into gold stocks. Jaffe's original study covered the period from September 1971, just after President Nixon ended convertibility between gold and the dollar, to June 1987.

During Jaffe's study period, the average monthly return for the S&P 500 Index was 0.89 percent. Gold stocks, as measured by the Toronto Stock Exchange Gold and Precious Minerals Total Return Index, converted to U.S. dollars, performed considerably better, returning an average monthly return of 1.42 percent.

On the risk side, gold stocks had greater volatility (measured by standard deviation) than the S&P 500. But Jaffe found that, because of their low correlation to U.S. stocks, adding a small percentage of gold-related assets to a diversified portfolio slightly reduced overall risk.

Here is an updated version of Jaffe's results.

Efficient Frontier Portfolio of S&P 500 Indx and Toronto Gold & Precious Minerals Total Return Index

To find an optimal portfolio allocation between gold stocks and the S&P 500, the efficient frontier plots different portfolios, ranging from a 100 percent allocation to U.S. stocks (the S&P 500) and no allocation to gold stocks, and gradually increases the share of gold stocks while decreasing the allocation to U.S. equities.

Assuming an investor rebalanced annually, our research found that a portfolio holding an 85 percent allocation to the S&P 500 and a 15 percent allocation to gold equities* had essentially the same volatility as the S&P 500 (horizontal axis) but delivered a higher return (vertical axis). In other words, the addition of a small allocation to gold stocks increased portfolio returns with no increase in the portfolio's volatility.

Between September 1971 and November 2011, the S&P 500 averaged a 9.69 percent annual return. A 15 percent allocation to gold equities and an 85 percent allocation to U.S. stocks, with annual rebalancing to maintain the allocations, would have yielded, on average, an additional 0.82 percent per year.

How much is 0.82 percent per year?

Let's use a hypothetical $100 investment as an illustration. A $100 investment in gold stocks in 1971 would have grown to nearly $5,100 at the end of November 2011, while the same amount in the S&P 500 would be worth about $4,800.

But look what happens when you combine the two. Assuming the same average annual returns since 1971 and annual rebalancing over 40 years, a hypothetical $100 investment in a portfolio with 15 percent gold stocks would be worth about $6,600 . That is 37 percent greater than the $4,800 for the portfolio solely invested in the S&P 500, while adding virtually zero risk.

U.S. Global Investors consistently suggests allocating up to 10 percent gold in a portfolio, so we also looked at returns for investors at that level. In dollar terms, a hypothetical $100 investment in the 90-10 portfolio would grow to $6,022 over the ensuing 40 years (assuming annual rebalancing), compared to $4,820 for the portfolio solely invested in the S&P 500.

And when you look at the efficient frontier in the chart, a portfolio with a 10 percent weighting of gold stocks and a 90 percent allocation to the S&P 500 has also historically increased return with no additional volatility.

More than two decades and many ups and downs have passed since Jaffe published his study, but our follow-up research shows that the relationship among gold, outsized returns and volatility has remained consistent through the past four decades.

If you haven't already completed your annual portfolio rebalancing, this may be an opportune time recalibrate your portfolio with gold stocks.

 


 

Frank Holmes

Author: Frank Holmes

Frank E. Holmes
Chief Executive Officer
Chief Investment Officer
U.S. Global Investors

Frank Holmes

Frank Holmes is CEO and chief investment officer of U.S. Global Investors, Inc., which manages a diversified family of mutual funds and hedge funds specializing in natural resources, emerging markets and infrastructure.

The company's funds have earned more than two dozen Lipper Fund Awards and certificates since 2000. The Global Resources Fund (PSPFX) was Lipper's top-performing global natural resources fund in 2010. In 2009, the World Precious Minerals Fund (UNWPX) was Lipper's top-performing gold fund, the second time in four years for that achievement. In addition, both funds received 2007 and 2008 Lipper Fund Awards as the best overall funds in their respective categories.

Mr. Holmes was 2006 mining fund manager of the year for Mining Journal, a leading publication for the global resources industry, and he is co-author of "The Goldwatcher: Demystifying Gold Investing."

He is also an advisor to the International Crisis Group, which works to resolve global conflict, and the William J. Clinton Foundation on sustainable development in nations with resource-based economies.

Mr. Holmes is a much-sought-after conference speaker and a regular commentator on financial television. He has been profiled by Fortune, Barron's, The Financial Times and other publications.


Please consider carefully a fund's investment objectives, risks, charges and expenses. For this and other important information, obtain a fund prospectus by visiting www.usfunds.com or by calling 1-800-US-FUNDS (1-800-873-8637). Read it carefully before investing. Distributed by U.S. Global Brokerage, Inc.

Copyright © 2010-2014 Frank Holmes

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