“This index tracks approximately the 750 largest U.S. stocks and is available through SCHX. Schwab offers a suite of ETFs based on Dow Jones indexes. The Dow Jones Small Cap Total Stock Market Index includes the next largest 1,750 stocks, while the mid-cap index encompass 501st to 1,000th largest stocks. S&P acquired the Dow Jones indexes business in 2010. Schwab’s size segment funds have the lowest expense ratios in their respective categories, and liquidity has improved as these funds have gained assets,” notes Morningstar.

Not only is SCHX’s 0.04% expense ratio among the lowest for U.S. equity ETFs, Schwab advisor and retail clients can trade the ETF commission-free on Schwab’s ETF OneSource platform. Following a recent expansion, Schwab ETF OneSource is now home to nearly 200 ETFs.

OneSource, the largest commission-free ETF platform on the market today, has been a significant driver of ETF asset growth for Schwab. Last year, ETF assets custodied at Schwab surged 18% to $231 billion, according to the firm’s fourth-quarter and 2014 snapshot released. [ETF Assets Continue Flowing to Schwab]

“Schwab ETF OneSource has $38 billion in assets under management as of December 31, 2014. Flows into ETFs in the program were over $10 billion in 2014, representing 43 percent of the total ETF flows at Schwab,” the company said in the statement.

Schwab U.S. Large-Cap ETF