Where there is a buyer, there must be a seller. For physical delivery, if the contract established by bulls is to buy physical goods at maturity, it is not necessarily a short contract.

Just like doing stocks, if you want to buy a share and make a deal, you must have a person who sells a share to cooperate. Therefore, a purchase order (completed) in futures must correspond to a sell order, so in the total position, long positions (single positions) and short positions (single positions) each account for half.

Open position: refers to the ratio of the market value (amount) of money held by investors to the total investment.

In the futures market, open position refers to the sum of positions bought (or sold) before open position, and generally refers to the sum of open contracts in the buying and selling directions, also known as order quantity, which is generally even. By analyzing the change of positions, we can analyze the size, change and renewal of long and short forces in the market, thus becoming one of the technical analysis indexes different from stock investment.

In the analysis of futures graphic technology, it is very important to cooperate with each other in volume and position. A correct understanding of the relationship between trading volume and positions can help us to grasp the number K more accurately.

The combination of line analysis is conducive to a deeper understanding of market language.