There are 4 types of order : limit order, market order, conditional market order, and closing price order.
First, limit order means ivestors designate the exact price and quantity.
Second, market order means investors designate only the quantity without price.
The orders are executed at the market price.
Third, conditional market order means investors designate the exact price and quantity.
if the execution is not filled, the amount unfilled is converted to market order at 14:50.
Lastly, this type of order is available from 15:10 to 15:40 (After-hour session)
Investors designate the quantity at the day's closing price.
