Fill or Kill Order
a.k.a. FOK
An order that must be filled immediately and completely, or cancelled entirely.
In plain English
An order that must be filled immediately and completely, or cancelled entirely.
A fill or kill order is all or nothing, right now. If the full size cannot be executed at your price instantly, the order dies.
It suits large traders who do not want partial fills or to leave an order showing in the market. Compare immediate or cancel and all-or-none.
Keep this word for good
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