Trading orders are divided into market orders, limit orders and other orders stipulated by the Exchange. A market order refers to an order with unlimited price and trading according to the best quotation that can be executed in the market at that time. The unfinished part of the market order is automatically revoked. A limit order refers to an order that is sold at a limited price or better. Limit orders must be sold at or below their limit price when buying; When selling, the transaction must be made at a price equal to or higher than the limit price. The price limit order is valid on the same day, and the unfinished part can be revoked. The market order can only be used as a limit order, and the transaction price is equal to the limit price of the immediate optimal limit order.

The quotation of trading orders can only be within the contract price limit, and the quotation exceeding the price limit is invalid. The declaration of trading orders shall take effect after being confirmed by the exchange. The minimum order quantity of trading orders is 1 lot, the maximum order quantity of market orders is 50 lots, and the maximum order quantity of limit orders is 100 lots. If a member or customer issues a trading order in a way that may affect the security of the exchange system or the normal trading order, the exchange may take relevant measures. Market order and limit order have their own characteristics. The market order can be automatically closed with the best quotation that can be executed in the market at that time, which is conducive to improving the trading probability of investors and facilitating investors' trading, but it can not guarantee the optimality of the trading price. When the market fluctuates sharply and the futures price fluctuates greatly, the use of market price instructions may make investors bear higher transaction impact costs. In addition, due to the automatic cancellation of the unfinished part of the market order, some orders may not be completed and the predetermined trading target cannot be achieved. Investors should check the trading situation in time. The characteristic of a limit order is that once a transaction is made, it must be the expected price of the investor or a better price. However, when the futures price changes rapidly, the limit order may not be closed, which will make investors lose favorable market opportunities. It should be reminded that investors can only issue limit orders in call auction stage, but not market orders.