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 June and the second quarter ended June 30, 2024.1 Chris Concannon, CEO of MarketAxess, commented: In the second quarter, we delivered 12.4% growth in total credit ADV, driven by strength in U.S. high-grade (+13.0%), emerging markets (+23.0%), municipals (+34.2%) and Eurobonds (+8.3%). We exited the second quarter with U.S. high-grade estimated market share of 19.9% in June ( 20.2% including single-dealer portfolio trades), reflecting sequential monthly improvement through the quarter. A record 56% of our portfolio trading volume was executed on X-Pro during the quarter, as momentum continues to build with the roll-out.