We identify an alternative source of ETF shorting related to the market maker liquidity provision and creation/redemption activities. This “operational shorting” arises due to a regulatory exemption, allowing ETF market makers to satisfy excess demand in secondary markets by selling ETF...

Due to a regulatory exemption, ETF market makers can satisfy excess demand in secondary markets by selling ETF shares that have not yet been created. While this ability to “operationally short” is not unique to ETFs, it plays a more prominent role in ETF liquidity provision, and results in...