Limited trading time of stock index futures refers to the possibility of limiting the price fluctuation range of stock index futures in the trading process to ensure market stability and prevent risks. Especially when the stock market fluctuates, limiting the trading time of stock index futures can effectively control the fluctuation of market sentiment. The specific regulations for limiting trading hours are formulated by the regulatory authorities, and different markets may have different regulations.

The trading time of stock index futures is generally limited by intraday fluctuation, that is, when the price fluctuation of stock index futures exceeds a certain range, the trading time will be limited. This provision can effectively control market risks and ensure that the interests of investors are not harmed. At the same time, limiting trading hours can also give investors more time to consider risks and benefits and make more informed investment decisions.

In short, limiting the trading time of stock index futures is an important measure to protect the interests of investors and maintain market stability in stock market transactions. Different markets may have different regulations, but the purpose is to control market risks and protect the interests of investors. Investors should understand the relevant contents of this regulation and make wise investment decisions according to their own actual conditions.