1. Futures overpayment is also called overpayment. When buying and selling positions, it means that one person gives up one hand and is bought by another. This is called multivariate exchange.

2. A futures exchange, also known as an empty-hand, is called a short-selling exchange. When selling and opening positions and buying and closing positions, it means that one person gives up an empty order and another person takes over.

Because futures trading adopts a two-way trading system. You can buy first and then sell, or you can sell first and then buy. The delivery date of futures can be one week later, one month later, three months later or even one year later.

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

The whole process of futures trading is summarized as opening position, holding position, closing position or physical delivery. Opening a position means that a trader newly buys or sells a certain number of futures contracts. The place where futures are bought and sold is called the futures market. Investors can invest or speculate in futures.

There are four kinds of futures trading. According to buying and selling, there are two kinds of purchasing power: buying and opening positions and buying and closing positions. The right to sell includes: selling and opening positions and selling and closing positions.

Note: Futures is a risky investment behavior, so investors should be cautious.