| Non-current assets | 22.33a | 23.43a |
| Intangible assets | 12.64a | 12.48a |
| Software | 1.16a | 1.11a |
| Goodwill | 8.35a | 8.21a |
| Payments on account and assets under development | 0.16a | 0.12a |
| Other intangible assets | 2.97a | 3.04a |
| Property, plant and equipment | 0.69a | 0.61a |
| Land and buildings | 0.52a | 0.43a |
| Fixtures and fittings | 0.05a | 0.05a |
| Computer hardware, operating and office equipment | 0.11a | 0.12a |
| Payments on account and construction in progress | 0.01a | 0.01a |
| Financial assets | 8.51a | 9.87a |
| Financial assets measured at FVOCI | — | — |
| Strategic investments | 0.19a | 0.22a |
| Financial assets measured at amortised cost | 1.34a | 1.8a |
| Financial assets at FVPL | — | — |
| Financial instruments held by central counterparties | 6.82a | 7.67a |
| Other financial assets at FVPL | 0.16a | 0.18a |
| Investment in associates | 0.11a | 0.11a |
| Other non-current assets | 0.36a | 0.29a |
| Deferred tax assets | 0.02a | 0.07a |
| Current assets | 199.78a | 214.3a |
| Financial assets measured at amortised cost | — | — |
| Trade receivables | 1.26a | 1.83a |
| Other financial assets at amortised cost | 18.9a | 18.05a |
| Restricted bank balances | 48.97a | 53.67a |
| Other cash and bank balances | 1.87a | 1.66a |
| Financial instruments held by central counterparties | 127.06a | 137.9a |
| Other financial assets at FVPL | 0.03a | 0.03a |
| Income tax assets | 0.23a | 0.11a |
| Other current assets | 1.46a | 1.05a |
| Total assets | 222.11a | 237.73a |
| Subscribed capital | 0.19a | 0.19a |
| Share premium | 1.53a | 1.5a |
| Treasury shares | -0.45a | -0.35a |
| Revaluation surplus | 0.57a | 0.43a |
| Retained earnings | 8.94a | 7.89a |
| Shareholders’ equity | 10.77a | 9.66a |
| Non-controlling interests | 0.49a | 0.44a |
| Total equity | 11.26a | 10.1a |
| Non-current liabilities | 14.56a | 16.21a |
| Provisions for pensions and other employee benefits | 0.13a | 0.15a |
| Other non-current provisions | 0.05a | 0.05a |
| Financial liabilities measured at amortised cost | 6.75a | 7.48a |
| Financial liabilities at FVPL | — | — |
| Financial instruments held by central counterparties | 6.82a | 7.67a |
| Other financial liabilities at FVPL | 0.05a | 0.05a |
| Other non-current liabilities | 0.02a | 0.02a |
| Deferred tax liabilities | 0.76a | 0.79a |
| Current liabilities | 196.29a | 211.42a |
| Income tax liabilities | 0.52a | 0.44a |
| Current employee liabilities | 0.36a | 0.34a |
| Other current provisions | 0.12a | 0.12a |
| Financial liabilities at amortised cost | — | — |
| Trade payables | 0.9a | 1.51a |
| Other financial liabilities at amortised cost | 18.28a | 17.18a |
| Cash deposits by market participants | 48.7a | 53.4a |
| Financial instruments held by central counterparties | 126.02a | 137.34a |
| Other financial liabilities at FVPL | 0.03a | 0.02a |
| Other current liabilities | 1.36a | 1.06a |
| Total liabilities | 210.85a | 227.63a |
| Total equity and liabilities | 222.11a | 237.73a |