As of July 28, the latest bull-bear certificate ratio for the Hang Seng Index stood at 47:53.

Data from the bull-bear certificate distribution chart shows that the heavy concentration zone and the area with the largest increase in bear certificates both fall within the 25,500 to 25,599 range. In this range, the number of bear certificates reached 945, an increase of 191 compared to the previous trading day.

The heavy concentration zone for bull certificates is in the 24,600 to 24,699 range, where the latest number of bull certificates is 524, a decrease of 24 from the prior session. The area with the largest increase in bull certificates is the 24,800 to 24,899 range, which now holds 346 bull certificates, up by 210 from the previous trading day.