In trading, a limit-on-close (LOC) order is a type of order given by investors to brokers which instructs brokers to buy or sell specified securities, but only if the price is equal or more favorable than a specified limit price at the time that an exchange closes. If it is not, the order is canceled by default.
Example: An investor wants believes that the price of a security will decline over the course of a trading day to a rate low enough that they can afford to invest in it in a large way. The investor places a limit-on-close order with their broker to buy the security, but only if its price at the time that the exchange on which it is listed closes does not exceed 26.50 Swiss francs. If the price of the security at the end of the trading day is 26.50 or less, the broker buys the security. If the price of the security at the close of the exchange’s trading day is higher than 26.50 francs, then the broker automatically cancels the order.
See also: Limit-on-open order
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