The portfolio tracked by the index generally consists of between one and six standardized base metals commodities futures contracts traded on either the Chicago Mercantile Exchange or LME Inc. on the following commodities: aluminum, copper, lead, zinc, nickel and tin The fund will generally use a "replication" strategy to seek to achieve its investment objective, meaning it generally will invest in all of the components of the index in approximately the same proportions as in the index. The fund is non-diversified.