Open

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Related to Open architecture: Open System Architecture

Open

Used in the context of general equities. Having either buy or sell interest at the indicated price level and side of a preceding trade. "Open on the buy/sell side" means looking for buyers/sellers (for someone who is a seller/buyer). Antithesis of clean.

Open

1. The time trading begins on an exchange. This is important to matters like a security's opening price or opening bid. See also: Close.

2. An order to buy or sell a security that has not yet been filled. Some orders are only open for a certain amount of time, while some remain open until they are filled. See also: IOC, GTC.
References in periodicals archive ?
While many poll respondents are embracing open architecture investment solutions, they also see several challenges that must be overcome in order to be successful.
Another benefit of open architecture is "interoperability," said Rear Adm.
Lockheed Martin's approach to open architecture is built on nearly a decade of "open system, rapid capability" deliveries to the Navy, including combat system, sonar, communications and electronic warfare capabilities.
Lockheed Martin's approach to open architecture is built on nearly a decade of "open system, rapid capability" deliveries to the Navy, including the Acoustic Rapid Commercial Off-The-Shelf Insertion (ARCI) Program that provides open architecture solutions for the Navy's submarine force.
The Lockheed Martin Aegis team was faced with programming language selection for its Open Architecture Program.
Far beyond the Integrated Security Management software promoted by industry competitors, ONE delivers an open architecture environment that adapts each individual application and device into its platform - promoting global collaboration as ONE system.
The evaluation was based on the following criteria: functionality, features and benefits, open architecture, vendor business strengths, conversion and operations support, as well as the cost over a five-year period.
FundQuest has provided open architecture services and best of breed investment choices to the broker dealer networks of banks, insurance companies and independent firms since 1993.
The 2006 Open Architecture Seminars will address the increasing demand for network standardization within the military sector.
MDI Security Systems, the leading global supplier of networked security solutions, today announced that its ONE(TM) Open Architecture Command and Control Operating System, known as C2OS(TM), has won two prestigious industry awards.

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