Refers to the position held by futures investors. Holding multiple orders becomes "long" and empty orders become short. The difference between multiple orders and empty orders becomes a "net position".

For example, when futures trading opens, the positions held after buying futures contracts are called long positions, referred to as long positions; The positions held after selling futures contracts are called short positions, referred to as short positions.

The difference between open long contracts and open short contracts is called net position. This only exists in futures trading, but not in spot trading.