1. liquidation: liquidation refers to futures traders buying or selling futures contracts with the same variety, quantity and delivery month, but with opposite trading directions, and settling futures transactions.

2. The settlement price of the day refers to the weighted average price of the transaction price of a futures contract on the day according to the trading volume. If there is no transaction price on that day, the settlement price of the previous trading day shall be the settlement price of that day. Each futures contract takes the settlement price of the day as the basis for calculating the profit and loss of the day. Open position refers to the number of open contracts held by futures traders. Open futures contracts are based on the settlement price of the day as the basis for calculating the profit and loss of the day.

Calculation formula of profit and loss of the day

Today's profit and loss = liquidation profit and loss

Ending profit and loss = historical warehouse profit and loss, current warehouse profit and loss.

Historical position profit and loss = (selling closing price-settlement price on the last trading day) selling closing amount (settlement price on the last trading day-buying closing price) buying closing amount.

Profit and loss on closing day = (closing price of the day-opening price of the day) Selling closing amount (opening price of the day-closing price of the day) Buying closing amount.

Position profit and loss = historical position profit and loss; Profit and loss of opening positions on the same day.

Historical gain/loss of position = (today's settlement price-the previous day's settlement price) position

Profit and loss of opening positions on the current day = (selling opening price-settlement price of the previous day) selling opening amount (settlement price of the current day-buying opening price) buying opening amount.

: The end of the day is transferred to the profit and loss of the day, and the profit of the day is included in the customer settlement reserve (available funds), and the loss of the day is deducted from the customer settlement reserve.

Related questions and answers: Why do the total profit and loss and the reference profit and loss of the day change over the weekend? Because the reference profit and loss of the day is expected, it is calculated according to the current stock price. Because the current stock price is constantly changing, so will the profit and loss. Because the expected profit and loss has not been determined, it is called floating profit and loss. Today's profit and loss means that today's profit and loss is compared with yesterday (the last trading day), indicating that today's stock price has risen so much compared with yesterday. Reference profit and loss refers to the difference between the market value of the stock you hold and the principal of the stock you buy after you buy it, which is reflected in the book profit and loss in the account. Also known as floating profit and loss. For example, if you buy 100 shares at the price of 10 yuan, if the handling fee is10 yuan, you have never sold these shares. When the market price is 12 yuan, the market value is 65438. The reference profit and loss is1200-1010 = 190 yuan, that is, the book floating profit is190 yuan. When the market price is 8 yuan and the market price is 800 yuan, your reference profit and loss is 800- 10 10 =-20. Realized profit and loss, also known as factual profit and loss, refers to the profit and loss of the amount in the account after each stock operation (buying and selling), which is the realized profit and loss after buying and selling stocks. For example, if you buy 100 shares at the price of 10 yuan, if the handling fee is10 yuan, you sell them at 12 yuan. Transaction price 12 yuan. Realized profit and loss1200-1010 = 190 yuan, that is, actual profit190 yuan. When you sell it in 8 yuan, the transaction price is 8 yuan. Realize a profit and loss of 800- 1065438.