Chugging along in Nosebleed Territory

Last Friday, both the S&P 500 and the Nasdaq composite indexes closed at record highs in the US, with the Dow Jones Industrial Average only a whisker away from its peak set in March. What has often been called the “most hated bull market in history” thus far continues  to chug along in defiance of its detractors.


Can current stock market valuations tell us something about the future trend in gold prices? Yes, they actually can.

Image source:  The Neatest Little Guide to Stock Investing


S&P 500 Index; according to some observers – experts even! –  “nothing” can possibly derail it. Usually these opinions are proffered just before “something” does somehow derail it after all. [PT] – click to enlarge.


There are certainly plenty of reasons to believe US equities are overvalued and that stocks may be reaching a major cyclical high. Equity valuations are not cheap by almost any measure, real GDP growth remains at a tepid 2% YoY pace, and short-term interest rates are finally on the rise.

While there is always the possibility that a major bullish move may be in the works for stocks, potentially on the back of “Trumponomics”, it is well worth considering at this juncture what Warren Buffett once called “probably the best single measure of where valuations stand at any given moment”.  The ratio of total stock market capitalization to GDP, a favored indicator of the “Oracle of Omaha”, has historically proven to be a very useful and reliable harbinger of longer-term future returns in equities in the US.

It’s important to point out that current levels of the ratio at nearly 130% imply negative total returns on equities over the next decade, meaning dividends will likely be unable to offset capital depreciation. Ominously, the ratio hasn’t been this high since Q3 2000, when the market was near the very top of the Internet bubble. Investors with a 10-year horizon who bought into equities during that period eventually earned annualized total returns of -2.84%, meaning they lost over 25% of their capital in nominal terms. This has very interesting implications for gold prices.


  The “Buffet Indicator” (market cap to GDP) vs. subsequent annualized 10 yr. returns, inverted.


Let’s consider the relationship between the “Buffett indicator” and subsequent 10-year returns on the S&P 500 since 1978, as it allows us to draw a comparison with the data available for LBMA gold prices. Given the nearly 40-year correlation, a statistically significant linear regression suggests the metric currently is consistent with annualized total S&P returns of -1.27% from now until Q1 2027, for a total nominal return of around -12%.

In other words, a “buy and hold” strategy in US equities at the moment appears to be a losing proposition for the next decade. Interestingly, for every 10% increase in the ratio there’s a nearly 1.6% decline in prospective S&P 500 returns, as shown in the diagram below.


Returns implied by current market cap/ GDP ratio vs. data since 1978


The Stock Market vs. Gold

Now consider the correlation between returns on the S&P and those for gold over a 10-year holding period. Not surprisingly, the correlation is both negative as well as statistically significant. In other words, lower equity returns over a 10-year period have been clearly consistent with higher returns for the precious metal.

Specifically, using data since January 1978, every 1% drop in annualized total returns on the S&P 500 implies a 1.5% increase in returns on gold. At present, annualized S&P returns for the past 10 years at 5% are consistent with gold returns of 8.30%, compared to the actual returns of 6.51%.


Returns on gold vs. returns on the SPX (inverted on lhs chart) – click to enlarge.


Now, here’s the main point. Prospective annualized total returns of -1.27% on the S&P over the next 10 years would be consistent with returns for gold of around 20.6% on average per year. These are very enticing returns for any asset class over a 10-year period and would make any portfolio manager envious: they are literally Warren Buffett-like returns.

In addition, since 1978 the annualized total return required for the S&P to outperform gold stands at 7.44%. In other words, when equity returns are below that, investors are better off owning gold than they are large-cap stocks.



The very real prospect of negative equity returns over the next decade alone provides a compelling case for using gold as a hedge, and investors seeking capital preservation may wish to include the metal in their asset allocation. Given present levels of stock market capitalization to GDP and prospective equity returns, it would be reasonable to expect 15%-20% returns per year for gold over the next decade.

The monetary experiment led by the world’s major central banks by way of quantitative easing has done much to inflate asset prices since the global financial crisis, and at this point having an allocation in gold appears very sensible.


This article originally appeared at


Charts by: StockCharts, Helder M. Guimaraes


Chart captions by PT
Helder Mello Guimaraes is a Brazilian born independent investment consultant. A graduate of the ICMA Centre in Reading (UK), he has worked in financial markets in various capacities since 2001: as a technical analyst, portfolio manager, trading system developer and consultant. He frequently combines fundamental, technical, and statistical analyses to identify opportunities and formulate investment strategies in the main asset classes.




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4 Responses to “What is the Buffet Indicator Saying About Gold?”

  • killben:

    “Investors with a 10-year horizon who bought into equities during that period eventually earned annualized total returns of -2.84%, meaning they lost over 25% of their capital in nominal terms.”

    The loss here is understated because it does not take into account the loss that would further occured if the central bankers had not underwritten the market. Thus if a time comes where the central bankers cannot underwrite the markets, the loss would be way more than the 25%. It is also likely that one may not be able to recoup one’s capital in one’s lifetime as the time it takes to get even would be much longer than the one engendered by the central banker’s put.

  • TheLege:

    Interesting that this article is published just days after I read another blog post (can’t remember who’s exactly) which claimed that Buffet recently dis-owned this very indicator.

    Does ‘the Sage’ really now think that “this time is different”? Or is he just talking his own book?

  • philc2:

    Hello Helder,

    Thanks for this interesting post. Any chance you could extend the graph of 10 year gold returns beyond 1990 to, say, 2007? That would be helpful as it would more than double the range and therefore provide better information about the relationship.

    A minor point: the photograph of the coins shows Australian dollars. These are alas, cupro-nickel, not gold.

    Phil (in Oz)

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