Market order, or buy order

A market order or buy order is the most straightforward way to buy and sell shares. It’s an instruction by an investor to a broker to buy or sell shares, bonds, or other assets at the best price currently available on the stock exchange. A market order is the default choice for buying and selling for most investors most of the time. When a market order is placed, the trade happens immediately at the current market price (or when the share market is next open). The price when an investors submits a buy order may differ slightly from the final price of the order due to after hours market movements, which occur when a market is officially closed.