1, stock index futures can be long-term, but beware of risks. As long as the funds in the shareholder's account are sufficient for the margin requirement, they can be held until the final delivery date of the stock index. Stock index futures is the main index that pays more attention to speculation. Generally speaking, it is more conducive to the long-term operation of companies with good performance.

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.