Commodity Investing 101: Separating Myths from Reality

Wesley Gray |

Unlike equity and bond investing, investing in commodities is a less familiar undertaking for many. Commodities behave differently than stocks and bonds, pose different risks, and can be taxed differently. And let’s be blunt: few retail and/or professional investors understand how to use commodity futures.

To address our own blind spots in the marketplace, we’ve spent the past few years investigating academic research and examining trading systems and strategies in the commodity futures space. At this stage, I’d say our knowledge is fairly extensive, but we’re still learning and trying to get better. After acknowledging our own educational blind spots with respect to commodity futures, and subsequently studying and learning about the different ways they can be traded, used for hedging, and integrated into portfolios, we’re always curious to see how other “professionals” think about these contracts. Based our review of the product landscape and numerous discussions among “professional” asset allocators, the results don’t look promising.

For example, consider the discussion below from a popular robo-advisor’s website. The site compares equity-based ETFs, Energy Select SPDR (XLE) and Vanguard Energy (VDE) , which buy the stock of commodity-related firms (e.g., Exxon Mobil (XOM) or Chevron (CVX) ) to DJP, a futures-based ETN, which buys baskets of commodity futures based on the commodity’s “liquidity and economic significance.” Odd, to say the least.

Commodity Exposure Chart_1.jpg

First, the underlying assumption in the robo-advisor’s discussion is that these securities are somehow the same, which is implicit in their reference to tax-loss harvesting, which bounces investors across the three options so they can book losses, but maintain the same “exposure.” But the problem is that these exposures are not the same. The chart below highlights this fact without the use of numbers or equations or basic knowledge of commodity futures.

iPath_Bloomberg.jpg

Oddly enough, the robo-advisor highlights that XLE and VDE are “better” because they are “cheaper.” But how can one describe “cheapness” when one is comparing apples to oranges? Next, the commodity index chosen (DJP) doesn’t even consider the factors that matter in commodity investing (e.g., term structure and momentum). DJP is a classic case of products chasing performance.

To be clear, this isn’t a bash session on robo-advisors–we think robos are doing some great things in the business–to include better transparency, which is why we were able to actually get the chart above (most advisors/sites keep it “proprietary”). Nonetheless, the discussion is indicative of financial advisor knowledge of commodity futures.

Getting Smart about Commodity Futures

First, a recap of what matters in commodity futures trading:

And here are some great papers on the subject by Erb/Harvey:

The lessons from Erb/Harvey are as follows:

  1. Commodity futures are NOT a play on commodity spot prices.
  2. Commodity futures should NOT be considered an asset class, but a trading strategy.
  3. Commodity futures do NOT deliver equity-like performance.

And here is the biggest common misconception we see (highlighted above):

Investing in commodity futures is not the same as investing in equities tied to commodities

For example, owning oil futures is not the same as owning Exxon stock.

If you don’t believe us, check out the lengthy post on this subject that we wrote recently.

What’s the Bottomline? 

Any good advisor should know how and why they invest a client’s wealth. A good advisor will certainly make bad calls and lose money at times, but the onus is on the advisor to make informed decisions.

For more articles from Wesley R. Gray, visit his blog at Alpha Architect. 

 

DISCLOSURE: The views and opinions expressed in this article are those of the authors, and do not represent the views of equities.com. Readers should not consider statements made by the author as formal recommendations and should consult their financial advisor before making any investment decisions. To read our full disclosure, please go to: http://www.equities.com/disclaimer

Companies

Symbol Name Price Change % Volume
CVX Chevron Corporation 115.81 0.64 0.56 5,771,551
XOM Exxon Mobil Corporation 89.00 0.68 0.77 8,021,683

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