Definitions for "Good Till Cancelled Order"
Keywords:  cancel, kerbs, gtc, filled, buy
An order that is held by the broker on behalf of the client until it is filled or cancelled. (See also Open Order)
An order to buy or sell which is valid every market day during rings and kerbs (or during the entire day if specified), until cancelled by execution or client's instructions.
A buy or sell order which remains open until it is filled or canceled.