MarketAxess Holdings Inc. (Nasdaq: MKTX), the operator of a leading electronic trading platform for U.S. and European high-grade corporate bonds, emerging markets bonds and other types of fixed-income securities, today announced results for the second quarter ended June 30, 2012. “We are very pleased with the second quarter results. Despite softer market conditions, we achieved record estimated U.S. high-grade market share and record emerging markets and high yield trading volume during the quarter,” said Richard M. McVey, chairman and chief executive officer of MarketAxess. “Incoming regulations are having a significant impact on the market structure for credit and we have been building enhancements to our open trading and dealer-to-dealer trading protocols to help support market liquidity.” Second Quarter Results Total revenues for the second quarter of 2012 increased 6.6% to $48.8 million, compared to $45.8 million for the second quarter of 2011. Pre-tax income was $21.2 million, compared to $19.9 million for the second quarter of 2011, an increase of 6.5%. Net income totaled $12.6 million, or $0.34 per share on a diluted basis, compared to $11.9 million, or $0.30 per share on a diluted basis, for the second quarter of 2011. Commission revenue for the second quarter of 2012 totaled $42.7 million on total trading volume of $144.8 billion, compared to $39.1 million in commission revenue on total trading volume of $133.0 billion for the second quarter of 2011. U.S. high-grade trading volume as a percentage of FINRA’s high-grade TRACE trading volume increased to a record estimated 12.4%, compared to an estimated 11.1% for the second quarter of 2011. All other revenue, which consists of technology products and services, information and user access fees, investment income and other revenue, was $6.1 million, down 8.6% from $6.7 million for the second quarter of 2011. The decline was primarily due to lower technology professional service fees.