We examine daily short-selling activity and prices around reverse stock splits. Using a difference-in-difference approach with a matched sample of reverse splitting and non-reverse splitting stocks, we show that short selling increases in stocks that reverse split, relative to those that do not....

We evaluate the information structure of US markets after the implementation of the SEC tick pilot program. We find significant changes in the information structure of the market conditioned on the market fee structure. Maker-taker market volume flow increases in informational efficiency while...

We explore the relation between limit order price clustering and price efficiency. We find that executed sell limit orders cluster more frequently on round increments than buy limit orders and that this asymmetry in clustering is consistent with the well documented asymmetry in price response to...