The Invesco S&P SmallCap 600 Pure Growth ETF is an exchange-traded fund designed to track the performance of the S&P SmallCap 600 Pure Growth Index. Its investment strategy mandates allocating at least 90% of its total assets to the securities that constitute this underlying index. The index itself focuses on identifying and measuring the performance of small-capitalization companies within the broader S&P SmallCap 600 Index that exhibit robust growth traits.