1. Trading variety: refers to the subject matter of futures trading, such as soybeans and crude oil.
2. Trading unit: refers to the number of the subject matter of each transaction, which is one of the standardized terms of futures contracts.
3. Maximum daily price fluctuation limit: It means that the price fluctuation of futures contracts within a trading day shall not exceed the specified range, which is one of the standardized terms of futures contracts.
4. Minimum price change: refers to the smallest unit of quotation change in futures trading, which is one of the standardized terms of futures contracts.
5. Last trading day: refers to the last trading day before the futures contract is due for delivery, which is one of the standardized terms of futures contracts.
6. Trading time: refers to the opening time and closing time of futures trading, which is one of the standardized terms of futures contracts.
7. Margin: refers to the funds that traders need to pay in advance for performance, which is an important safeguard measure for futures trading.
8. Transaction fee: refers to the fee to be paid for futures trading, which is one of the costs of futures trading.