Open

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Related to opened onto: into the open

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 ?
In a hangar opened onto the Tarmac, the muted families, wearing red, white and blue ribbons, took shelter along with the extended family of Cabinet officers and White House officials who had counted so many of the victims as colleagues and friends.
One entered the building through a minuscule foyer that opened onto a steep flight of stairs.