“What we have seen is more trading in basket-type securities, where you are trying to adjust asset allocations and not trading individual securities as such,” added Joel Dickson, investment strategist at Vanguard, which is the third-largest ETF provider. “You are getting the diversification and risk exposure to the asset without the additional volatility of the securities.”

Vanguard S&P 500 ETF

Full disclosure: Tom Lydon’s clients own SPY.