Interactive Brokers Q3 2025 Earnings Report: The Silent Brokerage Beast Bulks Up with 32% Customer Surge and Jaw-Dropping 79% MarginsIBKR's Q3 2025 earnings dazzle with a 32% customer explosion and 79% pretax margins, propelled by soaring stock volumes and 21% net interest income growth – though narrowing NIM and currency swings introduce clever plot twists for this brokerage juggernaut.
October 16, 2025