Invesco Russell 1000 Dynamic Multifactor ETF seeks to track the investment results (before fees and expenses) of the Russell 1000 Invesco Dynamic Multifactor Index. The fund generally will invest at least 80% of its total assets in the securities that comprise the underlying index. The underlying index is designed to reflect a dynamic combination of “factor investing” strategies that, in the view of the index provider, have historically outperformed other factors during various parts of the economic cycle.