The fund will invest at least 80% of its total assets in the securities of the underlying index. The CBOE NASDAQ-100® BuyWrite Index is a benchmark index that measures the performance of a theoretical portfolio that holds a portfolio of the stocks included in the NASDAQ-100® Index, and "writes" (or sells) a succession of one-month at-the-money NASDAQ-100® Index covered call options. It is non-diversified.