Hang Seng Index Futures is a futures contract with Hang Seng Index as the subject matter, and the trading unit is usually HK$ 50 per index point. Therefore, the basic value of Hang Seng Index futures is equal to the current price of Hang Seng Index multiplied by HK$ 50 per index point.

Assuming that the current price of Hang Seng Index is 28,000 points, the value of primary Hang Seng Index futures is:

28,000 points ×50 Hong Kong dollars/point = 1, 400,000 Hong Kong dollars.

It should be noted that this calculation is for reference only, and other factors may need to be considered in the actual transaction process, such as margin and transaction cost. In addition, the price of HSI futures may be affected by many factors, such as macroeconomic environment, policies and company performance. Therefore, when investing in HSI futures, it is necessary to fully understand the market risks and do a good job in risk management.