The Invesco S&P 500 Low Volatility ETF (Fund) is based on the S&P 500 Low Volatility Index (Index). The Fund will invest at least 90% of its total assets in common stocks that comprise the Index. The Index is compiled, maintained and calculated by Standard & Poors and consists of the 100 stocks from the S&P 500 Index with the lowest realized volatility over the past 12 months. Volatility is a statistical measurement of the magnitude of up and down asset price fluctuations over time. The Fund and the Index are rebalanced and reconstituted rebalanced and reconstituted rebalanced and reconstituted quarterly in February, May, August and November.