T+0 trading, how long it can be opened on the same day, can be sold on the same day, and there is no trading time limit.

Two-way trading, can be long or short, can make money.

Margin system, you can buy commodity futures only by paying the corresponding margin, without equivalent transactions.

Leverage, all commodities in the futures market have their own leverage, which is related to margin. The higher the margin, the lower the leverage, the lower the margin and the higher the leverage.