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...

We find that equity loan fees, which have been largely ignored by the anomalies literature, are the best predictor of cross-sectional returns. When compared to 102 other anomalies and other short selling measures, the loan fee anomaly has the highest monthly long-short return (1.17%), the...

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...