Why Speculation Is Good (Especially In The Commodities Market)

 | Jun 27, 2012 01:49AM ET

“Greed, for lack of a better word, is good.” So said Gordon Gekko, the iconic corporate raider in Oliver Stone’s cynical 1987 film Wall Street. Michael Douglas won an Academy Award for Best Actor for his role in the film, now a classic. In the film, Gekko is ultimately imprisoned for securities fraud after years of benefiting from insider trading.

Today, many liberal legislators and left-wing politicians associate Wall Street traders and investment bankers with the criminal activities of Gordon Gekko, the fictional film character. Certainly the Occupy Wall Street protesters believe Wall Street is the seat of corporate greed and corruption. Some US Senators conflate securities fraud with speculation, frequently referring to Gordon Gekko, excess and greed in speeches designed to vilify speculators, who after all, “caused the financial meltdown” or, “caused $5.00/gal gasoline prices” with their wonton, unbridled greed.

But speculation in the commodities markets is not illegal. Nor is it immoral. In fact, speculation is integral to operation of free markets. There is a legitimate role for market speculation in efficient markets. Without market speculation, prices would be less stable and price discovery more difficult, making markets less efficient.

For example, if there were no speculators in the pork bellies market, the market would consist of producers (hog farmers) and consumers (butchers, and those who prefer to carve up their meat themselves). With just two participants in the market, the market would be thinly traded, leading to large spreads between bid and asked, which distorts prices, and makes capital investment less efficient. As a market participant, the speculator adds liquidity (risks his own capital) and provided a competitive bid which narrows the spread, making the market more efficient for all participants. Because there are two sides to a speculative trade, either the long position holder or the short position holder will benefit from price changes over time.

Usually, speculation in a particular market has a dampening effect on price volatility, but there have been periods of “irrational exuberance” where prices are bid up in exponential fashion, creating a market bubble. Speculators may participate in the development of a market bubble, as they did in the real estate market boom of 2000-2008, but it takes more than speculation to cause a market bubble. In the case of the US real estate bubble that burst in 2008, decades of easy money and government intervention in the home mortgage industry via the Community Reinvestment Act laid the foundation for the irrational boom and its ultimate bust.

Recently, speculation has been blamed for high gasoline prices. “The oil speculators have bid up the price of oil, so you are now paying $5.00 per gallon at the pump!” complained a US Senator who proposes to ban speculators from trading oil futures. “Only producers and commercial consumers who need to hedge should be allowed to trade oil futures contracts,” say proponents of strict regulation of the oil futures markets; “Speculators are greedy, and greed is bad.”  But studies show that oil prices have increased steadily since 2000, with commercial and non-commercial (speculators) holding net long into the extended bull market for oil. Even during the period of strict regulation and position limits on the commodities futures market, prior to the Commodities Futures Modernization Act, oil prices tended to climb higher year after year.