It is often said that the arbitrage principle of stock index futures and spot index refers to the trading strategy of investing in stock index futures contracts and corresponding packages of stocks to seek profits from the price differences of the same group of stocks in the futures and spot markets.

The difference between futures basis spreads and spreads.

Futures, abbreviated as SPIF in English, refers to stock price index futures, also known as stock price index futures and futures, and refers to standardized futures contracts with stock price index as the subject matter. Both parties agree that the target index can be bought and sold according to the size of the stock price index determined in advance on a specific date in the future. Dayou Stock Index Futures Analyst Net points out that the two sides are trading the stock index price level after a certain period of time, and the delivery is carried out through the cash settlement difference. As a type of futures trading, stock index futures trading and general commodity futures trading have basically the same characteristics and processes. Stock index futures are a kind of futures. Futures can be roughly divided into two categories: commodity futures and financial futures.

Financial Futures are binding, standardized contracts between two parties to a transaction to buy and sell a financial instrument at an agreed time and price in the financial markets.