As of September 17, the latest bull-to-bear certificate street ratio for the Hang Seng Index stands at 52:48, according to market data from CITIC Securities' bull-bear certificate street distribution chart.

The heavy concentration zone for bear certificates is located in the 25,300-25,399 range. In this interval, the current number of bear certificates is 864, marking a decrease of 139 from the previous trading day. Meanwhile, the most significant new additions of bear certificates occurred in the 24,900-24,999 range, where the latest count reached 487 certificates, an increase of 326 compared to the prior session.

On the bull side, the heavy concentration zone is observed in the 24,500-24,599 range, which currently holds 1,110 bull certificates, down 161 from the previous trading day. Additionally, the largest fresh additions of bull certificates were recorded in the 24,200-24,299 range, with the latest tally at 793 certificates, reflecting a rise of 99 from the preceding session.