1. The full name is stock price index futures, which can also be called stock price index futures and futures index. It refers to a standardized futures contract with the stock price index as the subject matter. The two parties agree 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 delivery can be carried out through cash settlement of the difference after maturity.

2. 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 type of futures. Futures can be roughly divided into two categories, commodity futures and financial futures.