Stock index futures delivery refers to a settlement method when futures contracts expire. There are two delivery methods: physical delivery and cash delivery, in which physical delivery refers to the delivery of the subject matter represented by it according to the agreement, and cash delivery refers to the payment of the price difference to both parties in the transaction according to the agreement. For investors, the delivery of stock index futures is the final settlement method of contract expiration, and it is also the key link to test investors' risk-taking ability and trading ability.

The delivery method of stock index futures is very practical and standardized for market participants. Through the constraint of delivery mode, the market liquidity can be more sufficient, the transparency and openness of the market can be improved, and the fairness and stability of the market can be increased. At the same time, through the standardization of delivery methods, it can also effectively prevent market manipulation and other irregularities and maintain the healthy development of the market.

When operating stock index futures trading, investors need to pay attention to the details and steps of delivery to ensure the smooth progress of trading. Specifically, investors need to know the delivery time, place, subject matter and other related information, and actively negotiate and communicate with trading platforms, margin financing and securities lending regulators and other institutions to solve the problems encountered in time. In addition, investors should maintain a good awareness of risk control and formulate reasonable trading strategies and risk control measures to cope with uncertain market risks.