In the indicator formula editor, write one yourself, save it, and call it in the indicator of the subgraph. However, Tongda letter is not suitable for reading futures, and many futures indexes will jump in Tongda letter software.

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, which generally refers to the sum of open positions in the buying and selling directions, also known as order quantity.