An order to buy or sell a stock, future, or
other financial instrument that remains valid until it is cancelled. Also
called open order.
"good until cancelled." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/good-until-cancelled>.
good until cancelled. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/good-until-cancelled