We use the introduction and the subsequent removal of the flash order facility (an actionable indication of interest, IOI) from the NASDAQ as a natural experiment to investigatethe impact of voluntary disclosure of trading intent on market quality. We find that flashorders significantly improve...

We characterize the equity holding periods for all equity owners in a stock market over a 15 year period. The median holding period is 0.75 years. We show that the hazard function for equity ownership is characterized by negative aging, an equity owner is less and less likely to realize a...