| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|
| Total commissions | 711.71 | 662.96 | 641.18 | 621.01 | 634.45 | 463.86 | 390.83 | 355.28 | 332.31 | 266.22 |
| Commissions: U.S.high-grade | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Commissions: European high-grade | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Commissions: Other | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Post-trade services | 42.49 | 40.18 | 36.88 | 38.92 | 19.46 | 15.76 | 15.35 | -- | -- | -- |
| License fees | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Information and user access fees | 50.54 | 46.38 | 39.31 | 38.18 | 34.34 | 30.73 | 28.23 | 25.81 | 31.23 | 30.66 |
| Investment income | -- | -- | -- | -- | -- | -- | -- | 3.62 | 2.14 | 0.91 |
| Other | -- | -- | 0.93 | 0.85 | 0.88 | 1.00 | 1.16 | 1.67 | 4.25 | 1.74 |
| Technology products and services | 12.36 | 3.02 | -- | -- | -- | -- | -- | 11.09 | -- | 3.57 |
| Total Revenues | 817.10 | 752.55 | 718.30 | 698.95 | 689.13 | 511.35 | 435.57 | 397.47 | 369.92 | 303.10 |
| Depreciation and amortization | 73.82 | 70.56 | 61.45 | 53.45 | 36.00 | 26.86 | 23.08 | 19.27 | 17.84 | 18.54 |
| Technology and communications | 72.17 | 62.80 | 52.96 | 42.47 | 34.09 | 26.79 | 23.87 | 20.05 | 17.28 | 15.92 |
| Professional and consulting fees | 27.38 | 31.94 | 33.95 | 41.93 | 32.30 | 25.53 | 21.52 | 19.37 | 17.18 | 13.04 |
| Employee compensation and benefits | 235.88 | 206.93 | 182.10 | 170.92 | 156.89 | 131.08 | 109.12 | 102.75 | 96.79 | 83.86 |
| Occupancy | 14.69 | 14.22 | 14.12 | 13.32 | 13.43 | 11.64 | 14.18 | 6.13 | 4.68 | 4.69 |
| General and administrative | 22.71 | 23.04 | 19.20 | 14.50 | 12.70 | 15.70 | 11.35 | 12.58 | 15.63 | 13.01 |
| Warrant-related expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Marketing and advertising | 11.71 | 11.05 | 9.98 | 9.06 | 7.94 | 11.56 | 12.11 | 9.76 | 8.93 | 6.15 |
| Moneyline revenue share to related party | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Clearing costs | (17.86) | (17.00) | (17.66) | (16.07) | (21.06) | (11.31) | (7.75) | (5.80) | -- | -- |
| Operating income | 340.87 | 315.02 | 326.88 | 337.24 | 374.73 | 250.88 | 212.58 | -- | -- | -- |
| Interest Expense | 1.60 | 1.98 | 0.70 | 0.84 | 1.14 | -- | -- | -- | -- | -- |
| Equity in earnings of unconsolidated affiliate | 1.40 | 0.74 | 1.13 | -- | -- | -- | -- | -- | -- | -- |
| Investment income | 26.05 | 22.43 | 5.04 | 0.40 | 2.45 | 8.06 | 6.11 | -- | -- | -- |
| Other, net | (6.16) | (3.50) | 5.95 | (2.87) | (1.67) | (1.52) | (0.61) | -- | -- | -- |
| Income before income taxes from continuing operations | 360.55 | 332.70 | 338.29 | 333.92 | 374.36 | 257.42 | 218.09 | 201.77 | 191.60 | 147.90 |
| Current: Federal | -- | -- | 52.87 | 36.66 | 30.22 | 28.93 | 31.62 | 36.05 | 45.46 | 38.36 |
| Current: Foreign | -- | -- | 21.03 | 19.02 | 15.54 | 13.23 | 8.86 | 7.23 | 6.17 | 4.35 |
| Deferred: Federal | -- | -- | (5.83) | 2.25 | 7.47 | 2.58 | (1.42) | 6.17 | 5.88 | 1.49 |
| Deferred: Foreign | -- | -- | 0.63 | 0.09 | 1.19 | (0.31) | 0.52 | (0.28) | (0.30) | 0.19 |
| Provision (Benefit) for Income Taxes | 86.37 | 74.65 | 88.06 | 76.04 | 74.98 | 52.52 | 45.23 | 53.68 | 65.43 | 51.86 |
| Current: State and local | -- | -- | 20.72 | 17.24 | 19.13 | 7.69 | 5.93 | 3.85 | 7.09 | 7.18 |
| Deferred: State and local | -- | -- | (1.35) | 0.78 | 1.44 | 0.40 | (0.27) | 0.66 | 1.14 | 0.30 |
| Net income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 96.04 |
| Income (Loss) from discontinued operations, net of income taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
| Gain on the sale of discontinued operations, net of tax benefit | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
| Net income | 274.18 | -- | -- | -- | 299.38 | 204.90 | 172.85 | -- | -- | 96.04 |
| Less: preferred stock dividends | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income (loss) attributable to common stock | 274.18 | 258.06 | 250.22 | 257.89 | 299.38 | 204.90 | 172.85 | 148.09 | 126.17 | 96.04 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2.62 |
| Income/Loss from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 7.29 | 6.87 | 6.68 | 6.88 | 8.01 | 5.53 | 4.68 | 4.02 | 3.42 | 2.62 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2.55 |
| Income/Loss from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 7.28 | 6.85 | 6.65 | 6.77 | 7.85 | 5.40 | 4.57 | 3.89 | 3.34 | 2.55 |
| Weighted Average Shares Outstanding (Basic) | 37.60 | 37.55 | 37.47 | 37.51 | 37.36 | 37.08 | 36.96 | 36.86 | 36.84 | 36.69 |
| Weighted Average Shares Outstanding (Diluted) | 37.67 | 37.65 | 37.64 | 38.10 | 38.14 | 37.96 | 37.86 | 38.04 | 37.74 | 37.64 |