This study addresses the effectiveness of program trade regulation by conducting an analysis of program trading restrictions during large market moves. To address this issue, we analyze the effect of sidecars (halts that only affect program trades) using intraday data from the Korean securities...

We study gains to momentum trading from 1946 through 2002. Past papers assume a zero-investment strategy where short sales of losers fund the purchase of winners. In practice, the broker holds the cash from the short sale as collateral, and the investor funds long positions with his own or...

In this paper, we obtain sharp estimates for the expected payoffs and prices of European call options on an asset with an absolutely continuous price in terms of the price density characteristics. These techniques and results complement other approaches to the derivative pricing problem. Exact...

This paper provides several statistics concerning cancellation latency that would be helpful to regulators as they consider policies to establish a minimal quote life. We find that cancellation latency is related to market quality and is not constant. Rather, it varies depending upon the time of...

This paper reexamines the international long-term reversal evidence. Using a longer time horizon and expanding the number of country indices, it is shown that long-term reversals results differ across methodology, start date, and time horizon. Due to the fact that the major international equity...