FILL OR KILL
fill or kill: translation
fill or kill ( FOK)
The fill or kill instruction goes along with your order saying that your order must immediately be filled in its entirety or cancelled. NYSE Euronext Glossary
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fill or kill ˌfill or ˈkill adjective informal FINANCE
fill or kill orders are instructions given to a broker or a dealer to buy or sell stocks or shares. If the instructions are not performed immediately, the deal is stopped, and nothing is bought or sold
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FOK. An order to buy or sell a share that must be cancelled if not carried out immediately. FOKs are often used when an investor wants to buy a large quantity of stock at a particular price.