| Operating revenues | 3,436.2a | 2,914.1a | 2,107.4a | 1,673.1a | 1,308.3a |
| Transaction-based clearing expenses | -319.3a | -271.8a | -291.2a | -271.7a | -222.5a |
| Introducing broker commissions | -166.2a | -161.6a | -160.1a | -160.5a | -113.8a |
| Interest expense | -1,115.7a | -802.2a | -135.5a | -49.6a | -80.4a |
| Interest expense on corporate funding | -67.8a | -57.5a | -44.7a | -41.3a | -23.6a |
| Net operating revenues | 1,767.2a | 1,621a | 1,475.9a | 1,150a | 868a |
| Compensation and other expenses | — | — | — | — | — |
| Compensation and benefits | -942.4a | -868.6a | -794.8a | -679.1a | -518.7a |
| Trading systems and market information | -79.1a | -74a | -66.2a | -58.8a | -46.3a |
| Professional fees | -69.7a | -57a | -54.3a | -40.9a | -30.2a |
| Non-trading technology and support | -73.4a | -61.6a | -52.4a | -46a | -28.4a |
| Occupancy and equipment rental | -49a | -40.4a | -36.1a | -34.2a | -23.5a |
| Selling and marketing | -52.6a | -54a | -55.3a | -33.3a | -12.2a |
| Travel and business development | -28.4a | -24.8a | -16.9a | -4.5a | -8.9a |
| Communications | -8.5a | -9.1a | -8.3a | -9.3a | -7a |
| Depreciation and amortization | -53.1a | -51a | -44.4a | -36.5a | -19.7a |
| Bad debts, net of recoveries and impairments | -0.6a | -16.5a | -15.8a | -10.4a | -18.7a |
| Other | -65.1a | -66.4a | -60.6a | -46.3a | -29.6a |
| Total compensation and other expenses | -1,421.9a | -1,323.4a | -1,205.1a | -999.3a | -743.2a |
| Gain on acquisitions and other gains, net | 8.8a | 25.4a | 6.4a | 3.4a | 81.9a |
| Income before tax | 354.1a | 323a | 277.2a | 154.1a | 206.7a |
| Income tax expense | -93.3a | -84.5a | -70.1a | -37.8a | -37.1a |
| Net income | 260.8a | 238.5a | 207.1a | 116.3a | 169.6a |