ALL OR NONE
all or none: translation
AON (all or none)
At order entry, if the order can execute in total, then it executes. Otherwise it stays in the order book until it can execute in total. Chicago Mercantile Exchange Glossary
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all or none ( AON)
A condition that the full amount of an order to buy or sell is executed at an agreed price; a lesser amount is unacceptable. Exchange Handbook Glossary
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An order in NSC used to make sure the entire amount of the order is filled or none of it. This differs from " Fill or Kill" orders because "All or None" orders do not require immediate execution. Since 1st September 2003, this kind of order is not anymore available, refering to official Notice n°2003-2778, released on 25/08/03. NYSE Euronext Glossary