2.AD, this is a conceptual problem.

3, CD, get a commission of 700+300= 1000, and finally make a profit of 200, which means that there must be options to exercise at 800 points, so when the HSI is higher than (9900+800) or lower than (9500-800), one of them will exercise and the other will not.

4, bear market arbitrage, that is, buy far and sell near. Sell the May contract and buy the 165438+ 10 contract. When you know this foundation, it is not difficult to work out the rest. a+ 100； b- 100； c+ 140； d + 100

5. A. The farm is used to buy hedging, and the basis in June is 2020-2040 =-20. When the basis weakens, you can make a profit on the basis of hedging. Draw a coordinate and you will get the answer.

7. Scope of management of CSRC: futures exchanges, futures companies, futures operating institutions, settlement companies, futures margin depository banks and delivery warehouses.

There are too many questions in question 8 to answer. Go to Baidu to search for "Frequently Asked Questions on Futures Stocks".