The year of 2019 has seen a dramatic shift in the costs to trade ETFs. There are now four discount brokers who offer nearly all ETFs commission-free, including Ameritrade, Fidelity, Schwab and Vanguard. But, as we’ve discussed previously, investment returns depend on another cost too. We discuss this other cost here, and suggest alternatives to help minimize it.
How many commission-free ETFs are there now?
There are many ETFs available today covering broad and narrow aspects of the market. According to my favorite screener at ETF.com, and excluding leveraged and inverse ETFs, there are 2,052. That is a lot of choices for any investor to consider. Here at ETFMathGuy, we prefer optimal portfolio construction. That is, selecting ETFs that compliment one another in a diversified portfolio. Prior to this construction, we also screen ETFs to ensure each portfolio avoids ETFs with (i) low volumes and (ii) short track records.
The other cost: the bid-ask spread
The hidden cost of buying and selling an ETF is the bid-ask spread. So, investors should conduct some due diligence to reduce this cost whenever possible. Based on the latest data from ETF.com, we constructed the chart below. As it shows, thinly traded ETFs or ETFs that have less-liquid underlying securities still persist in about 10% of ETFs available today. Fortunately, a little more than half of ETFs have a bid-ask spread under 0.15%.
Conclusions
Commission-free ETFs are good news, as they reduce the cost of investing in ETFs. However, care should be taken to avoid other costs, like the bid-ask spread. To help avoid this cost, investors should seek more liquid ETFs with lower bid-ask spreads, or find ways to trade less frequently. In any case, commission-free doesn’t mean there are no transaction costs, and investors would be wise to choose their ETFs with care.
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