Buying down means that in futures trading, investors predict that the price of a commodity will fall, so they choose to sell the commodity contract first, and then buy the contract at a lower price after the price falls to earn the difference. This trading strategy is also called "shorting".

In futures market, buying down is a relatively conservative investment strategy. Because if the market is not as good as expected and commodity prices rise, then investors will lose a lot. Therefore, when buying and selling, it is necessary to carefully analyze the market situation, predict the trend, and choose the right buying and selling opportunity.

Trading is one of the common trading strategies in the futures market, but we need to pay attention to risks. When buying and selling, investors need to master fund management to avoid excessive loss of principal. At the same time, we should also strengthen our study and practice, and constantly improve our trading skills and market analysis ability. Only in this way can we get more investment opportunities in the futures market.