The Invesco S&P SmallCap Low Volatility ETF (XSLV) is designed to mirror the performance of the S&P SmallCap 600 Low Volatility Index. This fund typically commits at least 90% of its total capital to the securities that comprise this benchmark index. The underlying index, developed and managed by Standard & Poor's, identifies 120 small-capitalization companies from the broader S&P SmallCap 600 Index.