1, opening price 2760, take profit point 2700, 2760-2700=60 points *300 yuan/point = 18000 yuan *3 contracts =54000 yuan.

2. 2,760 points * 300 yuan/point * 15% deposit =124,200 yuan * 3-hand contract = 372,600 yuan, which is the deposit of 3-hand contract, but there must be some funds as floating profit and loss. Look at personal stop loss strategy and capital situation. Each contract has 100-200 points, which is 3-. Based on 30,000 working capital, the total investment is 372,600+30,000 * 3 = 462,600 yuan.

3. The income of the day is 54,000 yuan/462,600 yuan = 1 1.67%.