1 and CSI 300 are the subject matter of if 1303, which means that stock index futures are actually speculating in CSI 300 index, just like commodity futures correspond to a commodity. This is an index. If we want to judge and study stock index futures, we should actually analyze the trend of Shanghai and Shenzhen 300.

2. At present, the main contract is IF 1303, and the CSI 300 is an index and cannot be traded.

3. The far-month contracts are IF 1304, IF 1306 and IF 1309, and the stock index will encounter four contracts at a time (the current month, the next month and the last two quarters).