Unrealized gain vs unrealized loss

The difference between Unrealized gain and unrealized loss is that when you buy a share of stock at a certain price. If the price goes up and you don’t sell the stock then it’s consider unrealized gain. If the price of the stock goes down and you don’t sell the stock then it’s consider unrealized lose.

The reason that is consider unrealized is because you have not gain or lose any money until you sell.