| Press Release and Financial Events |
| 09:00 "2025 Forum for Asia-Pacific Maritime Culture" Opening Ceremony - Hong Kong Maritime Museum, Central Pier No. 8 |
| 10:00 DAISHOMICROLINE (00567) AGM - 2/F, Duke of Windsor Social Service Building, Wanchai |
| 10:30 VEEKO INT'L (01173) AGM - 10/F, Wyler Centre Phase II, Kwai Chung |
| 10:30 CONTEL (01912) AGM - 13/F, Leader Industrial Centre Phase 1, Tsuen Wan |
| 10:30 Construction Industry Council Guide of Smart Low-Carbon Construction Site Press Conference - 16/F, 180-182 Hennessy Road, Wanchai |
| 10:30 Citi "2025 Q4 Global Investment Prospects" Press Briefing - 5/F, Citi Tower, One Bay East, Kwun Tong |
| 11:00 ALCO HOLDINGS (00328) EGM - 11/F, Metropole Square, Shatin |
| 11:00 CLARITY MEDICAL (01406) EGM - 20/F, Lee Garden One, Causeway Bay |
| 11:00 Pictet Press Briefing - 9/F, Chater House, Central |
| 11:30 Deloitte "Mainland China and Hong Kong IPO Market" Press Conference - 5/F, 12 Taikoo Wan Road |
| 12:00 Golden Bauhinia Women Entrepreneur Association Inauguration Ceremony - Regent Hong Kong |
| 15:30 MODERN INNO DT (02322) AGM - 22/F, China Resources Building, Wanchai |
| 16:00 SENSETIME-W (00020) EGM - 5/F, Harbour View 1, HKSP |
| 16:30 MIRICOR (01827) AGM - 24/F, Admiralty Centre I, Admiralty |
| 17:00 Hong Kong Financial Services Community Celebrates The 76th Anniversary Of The Founding Of The Peoples Republic of China: Paul Chan, Robert Lee, Carlson Tong Attending - HKEX Connect Hall |
| Result Announcements | |
| Final Result | 00131 CHEUK NANG HOLD |
| Final Result | 01903 JBB BUILDERS |
| Economic Figures | ||||
| Date | Region | Item | Period | Estimated Value |
| 23/09/2025 05:00 | South Korea | PPI | Aug (y/y) | -- |
| 23/09/2025 07:00 | Australia | Manufacturing PMI | Sep | -- |
| 23/09/2025 13:00 | Singapore | CPI | Aug (y/y) | -- |
| 23/09/2025 13:00 | Singapore | Core CPI | Aug (y/y) | -- |
| 23/09/2025 15:15 | France | Manufacturing PMI | Sep | -- |
| 23/09/2025 15:15 | France | PMI Composite | Sep | -- |
| 23/09/2025 15:15 | France | Services PMI | Sep | -- |
| 23/09/2025 15:30 | Germany | Manufacturing PMI | Sep | -- |
| 23/09/2025 15:30 | Germany | PMI Composite | Sep | -- |
| 23/09/2025 15:30 | Germany | Services PMI | Sep | -- |
| 23/09/2025 16:00 | Euro Zone | PMI Composite | Sep | -- |
| 23/09/2025 16:00 | Euro Zone | Services PMI | Sep | -- |
| 23/09/2025 16:30 | United Kingdom | Manufacturing PMI | Sep | -- |
| 23/09/2025 16:30 | United Kingdom | PMI Composite | Sep | -- |
| 23/09/2025 16:30 | United Kingdom | Services PMI | Sep | -- |
| 23/09/2025 21:45 | United States | Manufacturing PMI | Sep | -- |
| 23/09/2025 21:45 | United States | PMI Composite | Sep | -- |
| 23/09/2025 21:45 | United States | Services PMI | Sep | -- |
| 23/09/2025 22:00 | United States | Richmond Fed Manufacturing Index | Sep | -- |