Factor screens can lead to higher concentration compared to market cap.
With almost a dozen to choose from, investors have plenty of options when it comes to low-volatility ETFs.
Invesco PowerShares, looking to leverage the success it’s had with its PowerShares S&P 500 Low Volatility Portfolio (NYSE Arca: SPLV), rolled out another two funds in mid-February that serve up low-volatility exposure to different market-capitalization pockets of the market.