Make up the difference, that is, the difference compensation, refers to the difference between the new accounts payable and the original accounts payable caused by the change of the unit price of the goods in the actual settlement after the enterprise purchases the goods from the supplier in the normal business activities.

The price difference refers to the futures price difference of different grades, different delivery months, different commodities and different delivery locations. It also refers to the price difference of the same commodity due to various conditions, such as wholesale and retail price difference, regional price difference and seasonal price difference. The difference between buying and selling goods is the main part of some businessmen's profits.

Features:

The price difference sometimes manifests as a premium, and sometimes it is a premium. Hedging profit is a kind of market trading method that makes use of the price difference between futures contracts to make profits. The key factor of arbitrage is the change of price difference.

The spread will expand and shrink, but when the spread between two futures contracts is abnormal, it provides an arbitrage opportunity for traders. The difference in price is related to profit. The real difficulty for arbitrageurs is how to capture the biggest difference in prices under the same trend.