- CEO
- Diego Germán Fernandez
- Sector
- Technology services
- Industry
- Internet software/Services
- Address
- Rosario Argentina
- IPO Date
- Nov 28, 1907
- Business
- A3 Mercados S.A. is an Argentina-based financial market infrastructure provider and exchange holding company that operates electronic trading platforms, clearing, settlement, custody, and capital markets technology solutions. The company provides a diversified suite of trading and post-trade services across financial derivatives, agricultural commodities, fixed income, foreign exchange, and enterprise financial software. Its core offerings include financial derivatives encompassing foreign exchange futures and options, benchmark interest rate derivatives, and equity index contracts; agricultural futures and options spanning soybeans, corn, wheat, and related agribusiness commodities; spot and over-the-counter (OTC) financial instruments, including spot foreign exchange, repurchase agreements (pases/repos), electronic credit invoices, deferred payment checks, and electronic promissory notes (pagarés); fixed-income securities trading across sovereign debt, treasury bills, sub-sovereign notes, and corporate bonds (obligaciones negociables); comprehensive clearing, settlement, central counterparty (CCP) risk management, and registry services through its licensed clearinghouse subsidiary, Argentina Clearing y Registro S.A. (ACyRSA); and proprietary market technology solutions, order management systems (matrizOMS), trading application programming interfaces (APIs), direct market access connectivity, and real-time market data dissemination through its technology units Primary S.A. and Lumina Americas. Additionally, the company operates Primary X (Primary Ventures), a corporate venture capital division focused on investing in early-stage fintech and market infrastructure innovations. In recent major corporate developments, the entity was formed in 2025 through the strategic corporate merger between Matba Rofex S.A. and Mercado Abierto Electrónico S.A. (MAE), creating the largest integrated financial and commodities exchange in Argentina. Following the consummation of the business combination, the company initiated public trading on Bolsas y Mercados Argentinos (BYMA) under the ticker symbol A3, restructured its business operations into three core units (Market, Technology, and Venture Capital), unified its post-trade and clearing infrastructure under ACyRSA, and integrated electronic OTC fixed-income and currency liquidity with derivative execution engines to expand algorithmic trading capabilities. A3 Mercados S.A. traces its institutional founding roots to predecessor exchange establishments in 1907 and is headquartered in Rosario, Argentina, with central operating and corporate facilities in Buenos Aires, Argentina.