As of September 21, the opening price for the Hang Seng Index night futures (September contract) was recorded at 25,045 points.

By 17:01 Beijing time, the night futures (September) stood at 25,032 points, reflecting a decline of 13 points or 0.052%, with a discount of 11 points against the cash index. Trading volume reached 80 contracts during this period.

Total open interest amounted to 138,669 contracts, while net open interest was reported at 39,458 contracts.