On the surface, it is only the liquidation of the transaction, but behind the trading system, it contains a lot of content. The surface is simple and the core is complex.
For example, what kind of products to buy and sell, how much to buy and sell for the first time, whether to increase or reduce positions, when or what to close positions, and the most crucial point, why do you have to stipulate this?
Only by clarifying these regulations, why should we formulate rules, can the trading system be implemented for a long time, and it is possible to realize the long-term profit of futures through systematic trading.