Battling the benchmark


The battle between investment banks and index providers for the title of whocan create the most efficient commodity indexes has been underway since thelatest commodity bull run took hold in 2006. However, investors soon learned that roll yield can split indexes from the spot price of the commodity they are designed to track. When commodity curves steepen, it becomes increasingly expensive to roll into a new futures contract each month, which eats into returns. As climbing prices attracted in