We document the performance of liquidity proxies in ETFs. Most proxies are developed for use in equities. However, ETFs have lower asymmetric information, more algorithmic trading, and an active primary market where units are frequently created and redeemed. Using a comprehensive database of...

ETF sponsors promote ETFs as having superior liquidity than their constituents because of ETFs' liquidity in the open market and the underlying stocks' liquidity through the creation/redemption mechanism. We find a liquidity connection between the ETF and its underlying assets suggesting the...

Active ETFs are less liquid than their underlying portfolios. This finding, which contrasts with that for passive ETFs, is attributed to uncertainty of future holdings of active ETFs. In addition, while diversification generally reduces firm-specific information asymmetry and improves portfolio...

A substantial amount is incurred in ETF transaction costs each year. This paper examines the performance of a vector autoregressive (VAR) model and other naïve models to time trades in 1,350 ETFs over the 2011 to 2017 period. We find varied spread savings for large and retail ETF traders by...

We use two extremely liquid S&P 500 ETFs to analyze the prevailing trading conditions when mispricing allowing arbitrage opportunities is created. While these ETFs are not perfect substitutes, we show that their minor differences are not responsible for the mispricing. Spreads increase just...