The buy side of an order is a position held when the investor expects the price to go up, otherwise known as a【long position】. It is opened at the【ask price】and closed at the【bid price】. When the ask price is higher than the opening position price, you will make a profit.
The sell side of an order is a position held when the investor expects the price to drop, otherwise known as a【short position】. It is opened at the【bid price】and closed at the【ask price】. When the bid price is lower than the opening position price, you will make a profit.
