The investment direction of stock index futures should be shorting, that is, selling stock index futures IF 1303 contract to achieve hedging;

The number of futures contracts determined by this investor is 654.38+million /(2750 * 300) = 654.38+02 lots;

The Shanghai and Shenzhen 300 Index fell to 2450 points, and the stock value became1*100,000 *2450/2650=9245283 yuan; Futures contract profit (2750-2540) * 300 *12 = 756000 yuan; 9245283+756000 =10001283 yuan, excluding the handling fee and financial expenses, the investor realized complete hedging.

This is a common calculation method, and it will be easier to calculate the basis difference.