Yes, futures is a two-way mechanism, that is, you can buy down or buy one. Buying down means opening an empty order or selling more orders, both of which are bearish futures contracts. For example, a soybean producer thinks that the price of soybeans will fall when the harvest is good and the supply increases this year, so he bought an empty list of soybeans that will fall a few months ago. When soybeans really fall, he can earn the difference. In addition, he can also sell a soybean contract at the current price, and then buy it from a low position when it really falls in the future, so that he can earn the difference.

The above example is ideal. The profitable money corresponds to the money lost by other investors. If the direction is reversed, it is a loss.

After the futures are opened, before the last trading day, they can close their positions at any time during the trading hours, or repeat the trading on the same day. Two-way trading and T+0 trading mechanism greatly improve the flexibility of futures trading.