The Invesco Dorsey Wright Financial Momentum ETF (PFI) aims to replicate the performance of the Dorsey Wright Financials Technical Leaders Index. This ETF typically allocates a minimum of 90% of its total assets to the securities comprising its underlying index. The index itself is structured to pinpoint companies demonstrating robust relative price momentum (also known as relative strength). It is constructed from a minimum of 30 equities sourced from the NASDAQ US Benchmark Index. This concept of relative strength refers to evaluating a security's historical performance in comparison to other assets within the same investment universe over a specific duration. Both the Fund and its benchmark index undergo periodic adjustments, with rebalancing and reconstitution occurring on a quarterly basis.