Fill-Or-Kill Order
A Fill-Or-Kill order is an order to buy or sell a stock that must be executed immediately in its entirety; otherwise, the entire order will be cancelled (i.e., no partial execution of the order is allowed).
Concept at a glance
Definition and explanation
A Fill-Or-Kill order is an order to buy or sell a stock that must be executed immediately in its entirety; otherwise, the entire order will be cancelled (i.e., no partial execution of the order is allowed). [1]
Source-supported connections
Frequently asked questions
What does Fill-Or-Kill Order mean in the cited reference?
A Fill-Or-Kill order is an order to buy or sell a stock that must be executed immediately in its entirety; otherwise, the entire order will be cancelled (i.e., no partial execution of the order is allowed). [1]
Fill-Or-Kill Order connection map
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Sources and review dates
Reviewed 23 October 2026. Historical dates and award-time affiliations retain their original context. A review date is not an event date. Background sources are identified separately from official records.