Quarterly report [Sections 13 or 15(d)]

NET INTEREST INCOME/EXPENSE (Details)

v3.25.3
NET INTEREST INCOME/EXPENSE (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Interest income:        
Interest income on margin loans to customers $ 72,814 $ 40,917 $ 133,103 $ 91,984
Interest income on loans to customers 66,678 49,393 128,372 101,760
Interest income on trading securities 37,669 104,992 90,245 212,120
Interest income on held-to-maturity securities 15,356 0 20,529 0
Interest income on securities available-for-sale 13,874 9,003 27,257 17,403
Interest income on reverse repurchase agreements and amounts due from banks 5,271 6,019 10,727 13,061
Total interest income 211,662 210,324 410,233 436,328
Interest expense:        
Interest expense on customer accounts and deposits 43,024 23,696 82,356 46,823
Interest expense on securities repurchase agreement obligations 34,051 86,116 79,512 178,523
Interest expense on debt securities issued 17,500 6,969 31,251 13,938
Interest expense on margin lending payable 5,598 7,416 18,972 30,539
Interest expense on loans received 575 468 1,085 512
Other interest expense 1,511 0 2,493 48
Total interest expense 102,259 124,665 215,669 270,383
Net interest income $ 109,403 $ 85,659 $ 194,564 $ 165,945