The index is composed of U.S. dollar-denominated, taxable, fixed-rate, high yield and BBB or equivalently rated corporate bonds scheduled to mature between January 1, 2027 and December 15, 2027, inclusive. The fund will invest at least 80% of its assets in the component securities of the index, and it will invest at least 90% of its assets in fixed income securities of the types included in the index.