Abstract: The subject invention pertains to securities, preferably exchange traded funds, or ETFs, relating to commodities subject to futures contracts in a commodities market. More specifically, the invention relates to shipping certificates for commodities that dynamically compensate for commodity “roll neutrality” adjustments by altering the quantity of commodity associated with the shipping certificate, as opposed to a cash adjustment. The subject invention also pertains to the underlying “roll neutrality” adjustment related to a commodities market futures transaction and to the resulting ETF valuation as follows: ? Pi Bi, where Pi is the price of the relevant contract month, Bi is the number of commodity units for that month, and i is the time index.

Abstract: The subject invention pertains to securities, preferably exchange traded funds, or ETFs, relating to commodities subject to futures contracts in a commodities market. More specifically, the invention relates to shipping certificates for commodities that dynamically compensate for commodity “roll neutrality” adjustments by altering the quantity of commodity associated with the shipping certificate, as opposed to a cash adjustment. The subject invention also pertains to the underlying “roll neutrality” adjustment related to a commodities market futures transaction and to the resulting ETF valuation as follows: ?PiBi, where Pi is the price of the relevant contract month, Bi is the number of commodity units for that month, and i is the time index.