A market order that is executed at or after the stock exchange's closure is known as a Market-on-Close (MOC) Order. Typically, traders would place a MOC order in advance of a stock's movement the next day. At the end of the trading day, a spike in MOC orders may lead to trade imbalances. Market-on-Close (MOC) orders are a type of order that allow traders to buy or sell securities at the end of the trading day at the market price. MOC orders are placed after the market has closed and are executed at the market price as determined by the exchange.MOC orders are a popular choice for traders who want to avoid the risk of adverse price movements during the overnight session. MOC orders can be used to limit losses or take profits on a security position. Market-on-close (MOC) orders are a type of order that can be used to buy or sell a security at the end of the trading day. MOC orders are placed after the market has closed and are executed at the closing price of the security.