| Interest Income and Interest Expense Disclosure |
Net interest income/expense includes: | | | | | | | | | | | | | | | | | | | Year ended March 31, 2025 | | Year ended March 31, 2024 | | Year ended March 31, 2023 | | Interest income: | | | | | | | Interest income on trading securities | $ | 378,350 | | | $ | 426,428 | | | $ | 178,288 | | | Interest income on margin loans to customers | 212,360 | | | 175,571 | | | 34,558 | | | Interest income on loans to customers | 207,802 | | | 176,539 | | | 43,486 | | Interest income on available-for-sale securities | 40,297 | | | 32,821 | | | 27,003 | | | Interest income on reverse repurchase agreements and amounts due from banks | 24,644 | | | 16,865 | | | 9,836 | | Interest income on held-to-maturity securities | 1,000 | | | — | | | — | | Other interest income | — | | | — | | | 1,524 | | | Total interest income | $ | 864,453 | | | $ | 828,224 | | | $ | 294,695 | | | | | | | | | Interest expense: | | | | | | | Interest expense on securities repurchase agreement obligations | $ | 340,863 | | | $ | 402,665 | | | $ | 158,595 | | | Interest expense on customer accounts and deposits | 111,541 | | | 70,778 | | | 40,335 | | | Interest expense on margin lending payable | 45,748 | | | 16,990 | | | 6,635 | | | Interest expense on debt securities issued | 36,130 | | | 10,356 | | | 3,085 | | | Interest expense on loans received | 1,568 | | | 124 | | | 290 | | | Other interest expense | 45 | | | 198 | | | 7 | | | Total interest expense | $ | 535,895 | | | $ | 501,111 | | | $ | 208,947 | | | | | | | | | Net interest income | $ | 328,558 | | | $ | 327,113 | | | $ | 85,748 | |
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