Record Total Credit ADV and Strong Growth in Total Rates ADV in Both Periods

Record Total Portfolio Trading ADV of $2.3 Billion in March, Up 48%

Record U.S. High-Grade, Emerging Markets, Eurobonds and Municipal Bonds ADV in 1Q26

Record Block Trading ADV Across U.S. High-Grade, Emerging Markets and Eurobonds in 1Q26

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 March 2026 and the first quarter ended March 31, 2026.