Gold has performed very strongly over the past decade, trouncing equities and bonds in the process and handing investors who own the SPDR Gold Shares
Gold's real return: zero
In fact, gold appears to have eked out a small positive real return over time. Using data from the World Gold Council and precious metal dealer Kitco, I was able to construct a series of inflation-adjusted gold prices going back to 1851, according to which gold generated a historical average return of 0.7% per annum. However, even that small positive real return is a bit of a mirage resulting from the powerful gold rally we've witnessed. Indeed, as recently as 2005, gold's average real return over 154 years was zero, period.
That shouldn't be surprising: There is no reason to expect that an inert asset that produces no cash flows and has few industrial applications to accrete value. By stating that gold has returned nothing, I'm not disparaging the yellow metal; rather, it shows that the precious metal has acted as a store of value -- over the very long term (for practical purposes, however, gold's price volatility makes it unsuitable as a store of value). That's consistent with the notion that it is an alternative currency that no government can debase.
Still, this alternative currency could be in for a big devaluation. To see why, look at the following graph of 10-year trailing real returns for gold since 1861 (based on average annual gold prices):
Sources: World Gold Council, Kitco.
Recent gains could reverse
There are two important observations to make:
- Gold returns are mean-reverting: The alternating peaks and valleys in the graph illustrate the fact that periods of higher-than-average returns tend to usher in periods of lower-than-average returns, and vice-versa. That's not surprising since this property shows up across different asset classes, including stocks.
- Investors who have owned gold over the past 10 years have earned a real return that is far in excess of the historical average. In fact, there is only prior period that witnessed higher returns: the bull market in gold that culminated in January 1980. Judging by gold's performance over the next two decades, that top capped off an enormous bubble.
Putting one and two together suggests gold returns going forward will be lower than the ones we have become accustomed to during the past decade. Just how severe could a reversal be? Let's take a look at the current price of gold in context. The following chart shows the average annual price of gold expressed in constant 2010 dollars (i.e., inflation-adjusted):
Sources: World Gold Council, Kitco.
Gold could fall by two-thirds!
Gold is galloping ahead of its historical average (the red line)! In fact, the price of gold would need to fall by almost two-thirds to get back to its long-term average of $456/ ounce, not to mention that markets typically overshoot. That's a sobering thought if you have a significant position in gold.
Don't let the gold hucksters fool you
Gold is inherently a speculative asset. Despite what I wrote above, I do believe that it represents an attractive, but high-risk, speculation, as the current supply demand dynamics look compelling. However, I can't rule out that things will turn out differently than I expect them to. If the economic recovery stabilizes and high inflation doesn't materialize, gold could decline significantly from its current level.
Let me emphasize that point: At these prices gold is no safe haven; it's an active bet on a specific scenario for the U.S. economy. Super-investor John Paulson owns gold because he believes the U.S. will experience double-digit inflation, but if that doesn't pan out, the bet could prove costly. Major gold miners that have closed out their hedges, including AngloGold Ashanti
Gold is now a bubble
I have been bullish on gold ever since I began looking at this market in February 2009, and I have argued against the idea that this is a bubble. As I review my thesis, I now believe it's likely that we are in bubble territory; nevertheless, I remain bullish because the conditions are in place for this bubble to continue expanding. Investors who wish to speculate on this can do so via the two ETFs I mentioned in the opening paragraph or through the following vehicles: Sprott Physical Gold Trust
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You can follow Fool contributor Alex Dumortier on Twitter; he has no beneficial interest in any of the stocks in this article. The Fool owns shares of Sprott Physical Gold Trust ETV. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.