We model the decision to exhaust depth by high speed traders, which either flips the best bid or ask quote to the opposite side or widens the spread. Such events are common and often revert to the previous best quote levels. Consistent with the model, such quote flipping results in large trade...

The impact of news, events or volatility on the underlying market microstructure has been studied extensively in finance literature. Common to many of these studies is the arrival of "true" news. In this paper we use unique data on error trades that have occurred on the CBOT and CME and assess...