| Trading fees and trading tariffs | 7.19a | 6.08a |
| Clearing and settlement fees | 4.72a | 3.89a |
| Stock exchange listing fees | 1.48a | 1.52a |
| Depository, custody and nominee services fees | 1.15a | 1.28a |
| Market data fees | 1.09a | 1.1a |
| Other revenue | 1.72a | 1.58a |
| Revenue | 17.35a | 15.45a |
| Investment income | 10.76a | 10.97a |
| Interest rebates to participants | -5.83a | -6.01a |
| Net investment income | 4.93a | 4.96a |
| Donation income of HKEX Foundation | 0.07a | 0.09a |
| Sundry income | 0.03a | 0.02a |
| Revenue and other income | 22.37a | 20.52a |
| Less: transaction-related expenses | -0.33a | -0.25a |
| Revenue and other income less transaction-related expenses | 22.04a | 20.27a |
| Operating expenses | — | — |
| Staff costs and related expenses | -3.89a | -3.56a |
| Information technology and computer maintenance expenses | -0.88a | -0.81a |
| Premises expenses | -0.14a | -0.13a |
| Product marketing and promotion expenses | -0.13a | -0.14a |
| Professional fees | -0.2a | -0.29a |
| HKEX Foundation charitable donations | -0.09a | -0.09a |
| Other operating expenses | -0.44a | -0.41a |
| EBITDA (non-HKFRS measure) | 16.28a | 14.83a |
| Depreciation and amortisation | -1.4a | -1.44a |
| Operating profit | 14.88a | 13.39a |
| Finance costs | -0.11a | -0.14a |
| Share of profits of joint ventures | 0.09a | 0.08a |
| Profit before taxation | 14.85a | 13.33a |
| Taxation | -1.7a | -1.35a |
| Profit for the year | 13.16a | 11.98a |
| Profit attributable to | — | — |
| Shareholders of HKEX | 13.05a | 11.86a |
| Non-controlling interests | 0.11a | 0.12a |
| Profit for the year | 13.16a | 11.98a |