The index tracks the performance of the equity securities (or corresponding American Depositary Receipts ("ADRs") or Global Depositary Receipts ("GDRs")) of small-capitalization companies actively engaged in silver refining, mining, or exploration ("Junior Silver Companies"). The fund invests at least 80% of its total assets in the component securities of the index and in ADRs and GDRs based on the component securities in the index. The fund is non-diversified.