Fill or kill order - An order submitted to the electronic order book with a specified size and, at the option of the member firm, a specified limit price which either executes in full against eligible orders at the price of those orders or is rejected in full from the order book.
Fill or kill order : an order submitted to the electronic order book with a specified size and, at the option of the member firm, a specified limit price which either executes in full against eligible orders at the price of those orders or is rejected in full from the order book.
Fill or kill order