According to market data from August 28, the Hang Seng Index night futures for September opened at 25,530 points. As of 17:02 Beijing time, the September night futures contract was trading at 25,540 points, up 26 points, or 0.102%, representing a 45-point discount to the cash index. Trading volume stood at 148 contracts, with total open interest at 113,916 contracts and net open interest at 38,821 contracts.