With the threat of inflation looming large, many investors have been thinking about adding commodities to their inflation-fighting toolkits, particularly as commodity-tracking investments have become more widely available in recent years. The basic case for these investments is pretty intuitive: If prices for stuff trend up, the commodities fund or exchange-traded fund gives you a chance to participate in those gains. Those gains, in turn, partially offset the dent you put in your wallet as you shell out ever-higher amounts for food, gas, and so on.
There's also a body of research showing that, in addition to their inflation-fighting abilities, commodities can improve a portfolio's risk/reward characteristics because of their historically low correlations with the stock and bond markets.
Most strategic asset-allocation frameworks that include commodities don't use huge slugs of them. That's in acknowledgment of the fact that commodities as stand-alone investments can be terribly volatile, buffeted by the cyclicality of real demand for commodities as well as, increasingly, speculation.
There's also the not-insignificant issue that unless you're prepared to take physical delivery of some ears of corn or barrels of oil, most available commodities investments are an imprecise measure of actual commodities prices.
But even if retirees accept the idea that they need to keep their commodities investments to a small part of a diversified portfolio, and that funds investing in commodity futures won't track actual prices with any sort of precision, I still worry about implementation. I also think there's a troublesome mismatch with the investment itself and the problem it's aiming to solve (inflation), particularly for retirees whose time horizons may be shorter than a couple of decades.
We could talk all day about what inflation is apt to be like during the coming decades, with some arguing for sky-high inflation because of demand from emerging markets. But historically, inflation has charted a slow but steady course, ranging from 0% (2009) to more than 5% (1990) during the past few decades, as measured by the Consumer Price Index.
But say you had the misfortune of buying a commodities investment at the wrong time, as many investors did when they glommed onto commodities funds in 2007 and the first half of 2008. You could lose 50% or more of your money right out of the box.
And if your time horizon was only 10 or 20 years, as is the case with many retirees, you may not have a realistic expectation of recouping what you'd lost during your lifetime, let alone obtaining any future inflation protection on a year-to-year basis. There's also the not-insignificant possibility that you'd be so spooked by your losses that you'd sell your commodities investment at the bottom, thereby ruling out your participation in a rebound.
For all of these reasons, I have a hard time getting excited about commodities investments in retiree portfolios, particularly in the wake of the generally strong performance these investments have enjoyed during the past year. If you're speculating on commodities or gold with money you can afford to lose, that's different. (Not advisable, but different!) But if you're a retiree thinking about commodities as a long-term hedge against inflation, go slowly, if you go at all.
http://news.morningstar.com/articlenet/article.aspx?id=381883
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