A fill or kill (FOK) order is "an
order to buy or sell a
stock
In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especially AmE'' one of the shares into which ownership of a company ...
that must be executed immediately"—a few seconds, customarily—in its entirety; otherwise, the entire order is cancelled; no partial fulfillments are allowed.
Characterized as "extreme orders", FOK orders are "most commonly used when your order is for a large quantity of stock and is usually a market or limit order that requires immediate execution".
They are also used when several unlinked markets are available for the same asset, in which case the trader will try to get the whole order filled in each market sequentially, without having to manually cancel each order if it is unfilled.
See also
*
All or none (AON)
*
Immediate or cancel An immediate or cancel (IOC) order, also known as an "accept order", is a finance term used in investment banking or securities transactions that refers "an order to buy or sell a stock that must be executed immediately". In case the entire order i ...
(IOC) – allow partial execution
References
External links
Fidelity.com Help page for Fill or Kill
Stock market
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