In rare cases, those who opt to hold until the fund is liquidated may also be billed for the costs of closing, or “termination fee,” which includes legal fees and administrative costs – ETFs may raise the expense ratio retroactively.

“Shareholders who do not sell their holdings on or before December 18, 2014 will receive cash equal to the amount of the net asset value of their shares on that date; such distribution will be completed on or about December30, 2014,” according to Teucrium. “The cash amount will reflect the costs of closing and transaction costs.”

NAGS tracks natural gas futures with varying maturities to diminish the negative effects of contango. CRUD follows West Texas Intermediate futures contracts with varying maturities as well. [How Contango Can Affect Your Commodity ETF]

For those who are still wary about the negative effects of rolling futures contracts, the United States 12 Month Natural Gas Fund (NYSEArca: UNL) and PowerShares DB Oil Fund (NYSEArca: DBO) both try to limit the effects of contango. [Oil ETFs: Shale Producers Continue Boosting Output]

For more information on the ETF industry, visit our current affairs category.