<div id="readability-page-1">Emerging Markets Trading Volume Records: 3 Hard currency markets, up +11%2 Local currency markets, up +18%1, 2 Request for Market (RFM) in local markets, up +34%2 Dealer RFQ, up +36%2 NEW YORK &amp; SINGAPORE--(BUSINESS WIRE)-- MarketAxess Holdings Inc. ( MKTX ) , the operator of a leading electronic trading platform for fixed-income securities, today announced it has surpassed $1 trillion in traded volume this year in Emerging Markets (EM) debt.1, 2 Since 2000, MarketAxess ( MKTX ) has pioneered electronic trading in EM, building a comprehensive platform that now operates across 30 local currency bond markets and over 100 hard currency bond markets. The platform supports over 1,500 institutional clients operating out of 90 global markets, trading EM hard and local currency bonds. Following the June 2025 launch of a fully-electronic workflow for the trading of Indian Government Bonds (IGBs), MarketAxess ( MKTX ) is now the only fixed income electronic trading platform that covers 100% of the J.P. Morgan GBI-EM Index, the most widely followed benchmark in its class. “Crossing $1 trillion in emerging markets trading volume reflects our commitment to creating solutions that deliver real impact for dealers and investors,” said Chris Concannon, Chief Executive Officer at MarketAxess ( MKTX ). “With even more countries set to join leading emerging market indices in 2026, we are well positioned to support the evolution of this asset class through technology that deepens liquidity and boosts transparency.” MarketAxess ( MKTX ) has delivered strong growth across its Emerging Markets1 business with record3 trading ADV of ~$5 billion, up 16%,2 driven by strong growth in both local markets (+18%)2 and hard currency markets (+11%)2 volumes, as well as strong growth across our three strategic channels, the client-initiated, portfolio trading and dealer-initiated channels. More recently, in the client-initiated channel, the platform has built out its Targeted RFQ workflow tool to help investors transact larger trades,4 which has helped drive a 25%2 increase in EM block4 trading volume globally. “We are consistently innovating and developing trading protocols that give international investors access to dynamic debt markets,” said Dan Burke, Global Head of Emerging Markets at MarketAxess ( MKTX ). “Our goal is to deliver solutions that not only drive global capital flows into emerging markets but also increase efficiency and drive better execution outcomes for all market participants.” For more information on MarketAxess Emerging Markets, visit: www.marketaxess.com/trade/emerging-markets About MarketAxess ( MKTX ) MarketAxess ( MKTX ) operates a leading electronic trading platform that delivers greater trading efficiency, a diversified pool of liquidity and significant cost savings to institutional investors and broker-dealers across the global fixed-income markets. Approximately 2,100 firms leverage MarketAxess’ patented technology to efficiently trade fixed-income securities. Our automated and algorithmic trading solutions, combined with our integrated and actionable data offerings, help our clients make faster, better-informed decisions on when and how to trade on our platform. MarketAxess’ award-winning Open Trading® marketplace is widely regarded as the preferred all-to-all trading solution in the global credit markets. Founded in 2000, MarketAxess ( MKTX ) connects a robust network of market participants through an advanced full trading lifecycle solution that includes automated trading solutions, intelligent data and index products and a range of post-trade services. Learn more at www.marketaxess.com and on X @MarketAxess ( MKTX ). Cautionary Note Regarding Forward-Looking Statements This press release may contain forward-looking statements, including statements about the outlook and prospects for the Company, market conditions and industry growth, as well as statements about the Company’s future financial and operating performance. These and other statements that relate to future results and events are based on MarketAxess’ current expectations. The Company’s actual results in future periods may differ materially from those currently expected or desired because of a number of risks and uncertainties, including: global economic, political and market factors; the level of trading volume transacted on the MarketAxess ( MKTX ) platform; the rapidly evolving nature of the electronic financial services industry; the level and intensity of competition in the fixed-income electronic trading industry and the pricing pressures that may result; the variability of our growth rate; our ability to introduce new fee plans and our clients’ response; our ability to attract clients or adapt our technology and marketing strategy to new markets; risks related to our growing international operations; our dependence on our broker-dealer clients; the loss of any of our significant institutional investor clients; our exposure to risks resulting from non-performance by counterparties to transactions executed between our clients in which we act as an intermediary in matched principal trades; risks related to self-clearing; risks related to sanctions levied against states or individuals that could expose us to operational or regulatory risks; the effect of rapid market or technological changes on us and the users of our technology; issues related to the development and use of artificial intelligence; our dependence on third-party suppliers for key products and services; our ability to successfully maintain the integrity of our trading platform and our response to system failures, capacity constraints and business interruptions; the occurrence of design defects, errors, failures or delays with our platforms, products or services; our vulnerability to malicious cyber-attacks and attempted cybersecurity breaches; our actual or perceived failure to comply with privacy and data protection laws; our ability to protect our intellectual property rights or technology and defend against intellectual property infringement or other claims; our use of open-source software; our ability to enter into strategic alliances and to acquire other businesses and successfully integrate them with our business; our dependence on our management team and our ability to attract and retain talent; limitations on our flexibility because we operate in a highly regulated industry; the increasing government regulation of us and our clients; risks related to the divergence of U.K. and European Union legal and regulatory requirements following the U.K.’s exit from the European Union; our exposure to costs and penalties related to our extensive regulation; our risks of litigation and securities laws liability; our tax filing positions; the effects of climate change or other sustainability risks that could affect our operations or reputation; our future capital needs and our ability to obtain capital when needed; limitations on our operating flexibility contained in our credit agreement; our exposure to financial institutions by holding cash in excess of federally insured limits; and other factors. The Company undertakes no obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise. More information about these and other factors affecting MarketAxess’ business and prospects is contained in MarketAxess’ periodic filings with the Securities and Exchange Commission and can be accessed at www.marketaxess.com. <table> <tbody><tr> <td rowspan="1" colspan="1"> _________________________ </td> </tr> <tr> <td rowspan="1" colspan="1"> 1 “Emerging Markets trading volume” is defined as trading volume reported by the Company in its monthly trading volume release in the line item “Emerging Markets” within the MKTX credit product area, combined with China-related trading volume that is currently reported in the &#34;Agency and other government bonds&#34; line item within the MKTX rates product area. Corresponding adjustments have been made to local currency figures presented in this release, as applicable. </td> </tr> <tr> <td rowspan="1" colspan="1"> 2 All trading data is as of November 2025 and all percentage change comparisons are YTD November 2025 compared to YTD November 2024. </td> </tr> <tr> <td rowspan="1" colspan="1"> 3 Trading volume records are based on whether the YTD November 2025 data is a record as compared to full-year data. </td> </tr> <tr> <td rowspan="1" colspan="1"> 4 “Larger trades” or block trading in Emerging Markets consists of both hard currency block trades with notional trade sizes ≥ $3M and local markets block trades with notional trade sizes ≥ $5M. </td> </tr> </tbody></table><img src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNTEyMTcwODY4MDJyMQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNTEyMTcwODY4MDJyMQ"/>View source version on businesswire.com: https://www.businesswire.com/news/home/20251217086802/en/ Source: MarketAxess Holdings Inc. ( MKTX )</div>

MKTX

MarketAxess Holdings Inc. announced it has surpassed $1 trillion in traded volume in Emerging Markets debt in 2025. The company has expanded its electronic trading platform to cover 100% of the J.P. Morgan GBI-EM Index. MarketAxess has seen growth in local and hard currency markets, with a record trading ADV of ~$5 billion. The company continues to innovate in trading protocols to enhance market access and efficiency for investors.

MarketAxess Surpasses $1 Trillion in Emerging Markets Trading Volume1, 2 in November 2025