All or none previous example, let's say that three months later, your broker informs you that all 100 shares of JKL Co. are now available for purchase, but the stock price doubled from $2 to $4. Since you did not cancel this AON order, you are then forced to buy all the 100 shares of JKL Co. at double the price you intended. Using a limit order in conjunction with the AON order will prevent this from happening. All or none All or none (AON) is a finance term used in investment banking or securities transactions that refers to "an order to buy
All or none All or none All or none (AON) is a finance term used in investment banking or securities transactions that refers to "an order to buy or sell a stock that must be executed in its entirety, or not executed at all". Partial execution is not acceptable; the order will execute "only if there are enough shares available in a single transaction to cover it". An all-or-none clause in an underwriting contract or investment prospectus gives a securities issuer the right to cancel an issue in its entirety if the underwriting is not fully subscribed. AON orders are similar to fill