1. A customer bought the July copper contract of Shanghai Futures Exchange 10 on April 5, with an opening price of 40,000 yuan/ton. How much trading margin did he take up when he opened the position? The closing price of the day is 40 120 yuan/ton, and the settlement price is 40 100 yuan/ton. What is the margin after the close of the day? On May 20th, the position was closed at the price of 45,000 yuan/ton. What is his profit and loss? 2. Three months later, an exporter signed a contract to export 1997 65438+ 10/7 to 100 tons of soybeans, and the price was 3 100 yuan per ton on the signing day. However, the spot price for delivery on April 17 cannot be exactly the same as the spot price for trading on April 10/7. Once the spot price rises, the profit of the transaction will be reduced or even lost. After weighing, exporters decided to hedge their value through hedging transactions. 1 Please judge what kind of hedging he will make? Please calculate the final price of soybean purchased by exporters according to the following hypothetical data. Assuming that 1 hand soybean = 10 ton, 65438+ 10/7, the soybean futures price in May is 3 180 yuan per ton; On April 17, the current soybean price was 3,200 yuan per ton, and the soybean futures price in May was 3,280 yuan per ton.