Entrustment form: an order for buying and selling goods entered by a market representative through a computer terminal.

Transaction form: a sales contract form generated by computer matching.

Opening price: refers to the transaction price generated by call auction within five minutes before the opening of a futures contract.

Closing price: refers to the transaction price generated by call auction within five minutes before the closing of the futures contract.

Highest price: the highest transaction price of a commodity on that day.

Lowest price: the lowest transaction price of the commodity on that day.

Latest price: the latest transaction price of a commodity on that day.

Settlement price: the weighted average price of all contracts of a commodity on that day.

Purchase price: the current highest declared purchase price of a commodity.

Sales price: the current lowest declared sales price of a commodity.

Price fluctuation: the difference between the closing price of a commodity on the same day and the settlement price yesterday.

Daily price limit amount: the maximum price limit that can be entered for a commodity on that day (equal to yesterday's settlement price+maximum change range).

Price Limit Amount: the lowest price limit that can be entered for a commodity on the same day (equal to yesterday's settlement price-maximum change).

Empty inventory: the total number of open contracts for a commodity at present.

Open position: two-way operation of buying and selling only does one thing, that is, open position.

Close position: buy and sell, or buy and settle the original new order after selling.

Single number: the unique identification deposit allocated by the system for the entrustment order or transaction order: the minimum capital limit required by the buyer and seller of the futures contract to ensure the performance of the contract, also known as performance bond. The margin level is determined by the exchange according to market risk and contract price.

Maturity date: Futures contracts all stipulate the last trading day of the corresponding mid-month contract, which is stated in each futures contract.

Delivery month: the delivery month specified in the futures contract.

Delivery date: the date when the futures contract holders who have not opened their positions in the delivery month must perform their duties according to the provisions of the exchange. The exchange has specified the performance date in the contract.

Delivery: The buyers and sellers of futures contracts perform each other through the exchange and in accordance with the provisions of the exchange.

Open position: the total number of commodity futures contracts that have not been hedged by the opposite futures contracts and have not been delivered in kind.

Minimum change point: the minimum price change allowed in a contract transaction. Also known as minimum price change.

Maximum fluctuation range: the maximum daily price fluctuation range in futures contract trading stipulated by the exchange, also known as the price limit.

Mark the market day by day: the practice of recording the profit and loss into the margin account day by day according to the trading situation of the day. Designed to ensure the elimination of transaction defaults. That is, the floating profit and loss of customer position contracts is calculated daily.

Hedging: settlement of previously bought (sold) contracts by selling (buying) futures contracts in the same delivery month.

Notice of additional margin: when the customer's margin is lower than its minimum maintenance margin, the futures company will urge the customer to pay the margin.

Settlement price (average price): the weighted average price of futures contracts traded on the same day.

Long (long): Buy futures contracts.

Short selling: selling futures contracts.

Open positions: buy and sell into the market and open new positions.

Close position: buy and sell to hedge the original position.

Monthly change: close the position of a futures commodity in the delivery month and establish a similar position of the same commodity in another delivery month.

Stop loss: that is, cut the position to recognize the loss.

Take profit: after the profit position is adjusted back to a certain price, close the position to ensure profit.

Premium: according to the regulations of the exchange, if the standard or grade of the delivered goods is higher than the requirements of the futures contract, the additional price can be increased, which is called premium. Or premium is the higher part of the price relationship of commodities in different delivery months (or futures and spot).