Limit Order Information System: The electronic system supplying information about securities traded on participating exchanges so that the best securities prices can be found.

 

Related Words

Limit Order Information System: The electronic system supplying information about securities traded on participating exchanges so that the best securities prices can be found.

Open Systems Interconnection (OSI): A reference model developed by the International Organization of Standardization. It splits networking into seven layers which provide specific services and communications standards.

Operating System (OS): The most important program that runs on a computer. Every general-purpose computer must have an operating system to run other programs. Operating systems perform basic tasks, such as recogni . . . View Full Definition

Open System: A system that can be adjusted for new functions or purposes, and hence produce new and unpredicted results. Human language is an example of an open system. To a lesser extent, so is XML code . . . View Full Definition

Oppositional Defiant Disorder (ODD): A recurrent pattern of negative, defiant, disobedient and hostile behavior toward authority figures that persists for at least six months. This disorder is characterized by frequent occurren . . . View Full Definition

Open Order: An order that remains on the books until it is either executed or canceled is known as an open order, or a good til canceled order (GTC).

Open Circulatory System: A system in which the circulating fluid is not enclosed in vessels at all times; found in insects, crayfish, some mollusks, and other invertebrates.

Order: Instruction to a broker/dealer to buy, sell, deliver, or receive securities or commodities that commits the issuer of the 'order' to the terms specified. See: indication, inquiry, bid wanted . . . View Full Definition

Order Room: The brokerage firm department receives and processes all orders to buy and sell securities.

Order Splitting: Breaking up orders so that they can be processed as small orders for execution by SOES. Prohibited by NASD.