Advance Detection System

Advance Detection System - Advance Detection System, which is also known as ADS is a computer detection system that is utilized by the NASD, also known as the National Association of Securities, which systematically monitors execution orders made by firms, and trades, to prevent irregularities which may be prohibited by stock market regulations. The system was established in 1997 and monitors over two million transactions on the Nasdaq stock market. This system handles a large percentage of the market, which previously was not monitored on a continual basis. The system is called ACES, also known as Computerized Execution System.