1. Move position: open the position of the contract to be moved with the same position direction and position quantity as the current contract to realize position transfer.

2. Stock index futures (SPIF) refers to stock index futures, which can also be called stock index futures and futures index. It refers to the standardized futures contract with the stock price index as the subject matter. The two sides agreed that on a specific date in the future, the underlying index can be bought and sold according to the size of the stock price index determined in advance, and the difference will be settled in cash after the expiration. As a type of futures trading, stock index futures trading has basically the same characteristics and processes as ordinary commodity futures trading. Stock index futures are a kind of futures, which can be roughly divided into two categories, commodity futures and financial futures.