Pingying is the profit after liquidation.

Today's equity is today's funds, including available funds, position funds and floating profits and losses.

Futures and spot are completely different. Spot is actually a tradable commodity. Futures are mainly not commodities, but standardized tradable contracts with certain mass products such as cotton, soybeans and oil and financial assets such as stocks and bonds as the targets. Therefore, the subject matter can be commodities (such as gold, crude oil and agricultural products) or financial instruments.

Futures market first appeared in Europe. As early as ancient Greece and Rome, there were central trading places, bulk barter transactions, and trading activities with the nature of futures trade. The original futures trading was developed from spot forward trading.

The trading characteristics of futures: two-way, low cost, leverage, double opportunities, greater than the negative market and so on.