Open positions can be bought and sold, as shown below.
Buy and open positions: buy 100 lots at the price of 200 yuan, and the transaction amount is 200 *100 = 20,000 yuan. After the opening, 65,438+000 lots were sold. If the selling price is higher than the buying price, it is a profit; if it is lower than the buying price, it is a loss.
If you opened your position yesterday, you should sell and close your position before buying today, that is, close your position before opening your position.
Sell and open positions: sell first and then buy. For example, let's sign an order now and sell it to you for 65,438+00 lots at the price of 265,438+00 in January. 1 After the market price becomes 200 yuan, I will buy the goods in the market for you at the price of 200 yuan, and each hand will make a profit 10 yuan. The act of signing a bill to sell goods is to sell and open a position, and the act of closing a position is to close a position.