Our new initiatives continued to show strong year-over-year progress across the client-initiated, portfolio trading and dealer-initiated channels. Client-Initiated Channel 1 NEW YORK--(BUSINESS WIRE)--MarketAxess Holdings Inc. (Nasdaq: MKTX), the operator of a leading electronic trading platform for fixed-income securities, today announced trading volume and preliminary variable transaction fees per million ("FPM†) for December 2025 and the fourth quarter ended December 31, 2025. Select Fourth Quarter 202 ...