NYSE. Automated Clearing House (ACH) A collection of 32 regional electronic interbank networks used to process transactions electronically with a guaranteed one-day bank collection float. Automated Customer Account Transfer (ACAT) For transfers of securities from a non-equity trading account to your equity trading account with your broker. Automated Export System Electronic filing of Shippers Export Declaration (SEDs) with US Customs prior to departure. Automated Order System (AOS) Investment bank computerized order entry system that sends single order entries to DOT (Odd-Lot) or to investment banks floor brokers on the exchange. See: Round lot, GTC orders. Automated Pit Trading (APT) Introduced in 1989, APT is the LIFFE screen-based trading system that replicates the open outcry method of trading on screen. APT is used to extend the trading day for the major futures contracts as well as to provide a daytime trading environment for non-floor trading products. Automated teller machine (ATM) Computer-controlled terminal located on the premises of financial institutions or elsewhere, though which customers may make deposits, withdrawals or other transactions as they would through a bank teller. Other terms sometimes used to describe such terminals are customer-bank communications terminal (CBCT) and remote service unit (RSU). Groups of banks sometimes share ATMs. Sometimes called Automated Banking Machines. Automatic Data Processing (ADP) A private company that acts as an intermediary to perform proxy services for several banks and brokers. Distributes proxy material to beneficial owners, tabulates the returned proxies, and provides the Corporation or its tabulator compiled reports of the tabulation results. ADP also distributes quarterlyreports and other corporate information to the beneficial owners. Automatic exercise A protection procedure whereby the Options Clearing Corporation attempts to protect the holder of an expiring in-the-money option by automatically exercising the option on behalf of the holder. Automatic extension An automatic extension of time granted to a taxpayer to file a tax return. Automatic funds transfer A transfer of funds from one account or investment vehicle to another using electronic or telecommunications technology. Automatic investment program A program in which an investor can invest or withdraw funds automatically. A mutual fund, for example, automatically withdraws a pre determined specified amount from the investor's bank account on a regular basis. Automatic reinvestment See: Constant dollar plan. Automatic stay The restricting of liabilityholders from collection efforts related to collateral seizure. Automatically imposed when a firm files for bankruptcy under Chapter 11. Automatic transfer service (ATS) account A depositor's saving account from which funds may be transferred automatically to the same depositor's checking account to cover a check written or to maintain a minimum balance. Automatic withdrawal A mutual fund that gives shareholders the right to receive a fixed payment from dividends on a quarterly or monthly basis. Autoquote Autoquote indicative prices are generated for many of the financialoptions contractstraded at LIFFE using standard mathematical models as derived by Black and Scholes and Cox, Ross, Rubinstein. Autoquote calculates prices for all series by processing variables captured in real-time from other systems and trading members each time the underlying price changes. Autoquotes indicate where a series may trade, given the current