For example, the main contract IF 12 12, IF stands for Shanghai and Shenzhen 300 stock index futures, 12 12 stands for 2012 65438+February, and one April in the contract is the third of each month.

2. Shanghai and Shenzhen 300 stock index futures code: IF is the only code of Shanghai and Shenzhen 300 stock index futures, and the last four digits represent the year and month.

The current month is June, so before the delivery date, that is, before the third Friday in June, the four contracts are:

This month's contract, that is, June contract IF 1006.

Next month's contract, that is, July contract IF 1007.

Next quarter's monthly contract, that is, September contract IF 1009.

Monthly contract for the next quarter, that is, 65438+February contract IF 10 12.