v3.25.1
Segment Analysis (Tables)
6 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information
Information for the reportable segments is shown in accordance with the Segment Reporting Topic of the ASC as follows:
 Three Months Ended March 31,Six Months Ended March 31,
(in millions)2025202420252024
Total revenues:
Commercial$36,152.0 $21,479.1 $63,361.0 $40,457.1 
Institutional561.2 463.4 1,100.8 899.1 
Self-Directed/Retail124.7 111.3 263.1 213.0 
Payments50.3 49.3 108.4 109.9 
Corporate16.7 14.4 27.8 23.6 
Eliminations(14.2)(11.4)(35.1)(23.6)
Total$36,890.7 $22,106.1 $64,826.0 $41,679.1 
Operating revenues:
Commercial$248.6 $200.5 $480.9 $398.9 
Institutional561.2 463.4 1,100.8 899.1 
Self-Directed/Retail93.4 102.0 217.5 194.5 
Payments50.3 49.3 108.4 109.9 
Corporate16.7 14.4 27.8 23.6 
Eliminations(14.2)(11.4)(35.1)(23.6)
Total$956.0 $818.2 $1,900.3 $1,602.4 
Net operating revenues (loss):
Commercial$193.3 $164.2 $382.5 $327.6 
Institutional191.0 149.8 365.0 298.4 
Self-Directed/Retail64.0 74.3 158.6 141.3 
Payments47.6 46.8 103.0 105.0 
Corporate(8.6)(12.8)(29.7)(28.4)
Total$487.3 $422.3 $979.4 $843.9 
Net contribution:
(Revenues less cost of sales of physical commodities, transaction-based clearing expenses, variable compensation, introducing broker commissions and interest expense)
Commercial$139.9 $119.3 $285.6 $245.7 
Institutional128.5 102.5 246.3 202.7 
Self-Directed/Retail59.4 69.9 151.0 132.5 
Payments38.8 37.3 85.1 84.9 
Total$366.6 $329.0 $768.0 $665.8 
Segment income:
(Net contribution less non-variable direct segment costs)
Commercial$96.7 $85.6 $198.9 $172.8 
Institutional86.5 61.3 164.6 126.5 
Self-Directed/Retail22.0 33.2 78.9 61.9 
Payments24.5 24.6 58.6 59.6 
Total$229.7 $204.7 $501.0 $420.8 
Reconciliation of segment income to income before tax:
Segment income$229.7 $204.7 $501.0 $420.8 
Net operating loss within Corporate(8.6)(12.8)(29.7)(28.4)
Overhead costs and expenses(124.0)(119.6)(257.3)(224.4)
Income before tax$97.1 $72.3 $214.0 $168.0 
(in millions)As of March 31, 2025As of September 30, 2024
Total assets:
Commercial$5,566.4 $5,387.0 
Institutional23,167.6 19,492.9 
Self-Directed/Retail994.2 1,024.1 
Payments503.3 438.8 
Corporate1,051.4 1,123.5 
Total$31,282.9 $27,466.3