Meaning of “fill or kill order” in the English Dictionary

business-english dictionary

"fill or kill order" in Business English

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fill or kill ordernoun [ C ]

uk us abbreviation FOK STOCK MARKET

an instruction to a broker (= someone who buys and sells shares, etc. for other people) to buy or sell particular stocks or shares immediately:

But unlike a fill or kill order, it isn't cancelled if it's not executed immediately.

(Definition of “fill or kill order” from the Cambridge Business English Dictionary © Cambridge University Press)