The fund-of-funds is passively managed to provide exposure to preferred shares of any maturity or credit rating from Canada and the United States. The index uses a modified market-cap weighting, following a rules-based methodology. The index is rebalanced quarterly during which 50% of the weighting is allocated each for Canada and the US. If it is not possible or practical to hold all of the constituent securities, the fund may utilize a representative sampling approach in which securities are chosen to provide the same investment characteristics of the index.