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Arcesium integrates MarketAxess data

Reported by Hedgeweek
Oct 9, 2026· 2 min read
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Key Takeaways
  • • Arcesium expanded its integration with MarketAxess on 7 October, bringing MarketAxess CP+ AI-driven pricing and TraX market data into Arcesium's Aquata data platform and Opterra operating system.
  • • TraX covers daily trading volumes and transaction data for more than 42,000 fixed income instruments, supporting liquidity analysis, price discovery, relative-value assessment and risk management.
  • • The integration targets hedge funds, institutional asset managers and capital markets firms, letting them access market intelligence and operational data in one environment without building bespoke integrations.
  • • The announcement extends an existing relationship: since June 2024, Arcesium has run MarketAxess Repo Match inside Opterra, a network that connects 127 buy-side and sell-side firms and processes more than $700bn in average daily matched volume.
Summary
Arcesium has expanded its integration with MarketAxess to give hedge funds, institutional asset managers and capital markets firms better access to fixed income pricing, liquidity and transaction data across investment and operational workflows. The integration, announced on 7 October, brings MarketAxess CP+ algorithmic pricing and TraX market data into Arcesium's Aquata data platform and its Opterra operating system. According to the companies, the combined setup connects front-, middle- and back-office processes while improving data consistency and accuracy.

MarketAxess CP+ uses artificial intelligence to generate pricing across global credit and interest-rate markets. TraX provides daily trading volumes and transaction data covering more than 42,000 fixed income instruments. Together, the capabilities are designed to support liquidity analysis, price discovery, relative-value assessments and risk management, without requiring firms to develop their own bespoke integrations.

Alex Dobson, senior vice president and head of product at Arcesium, said the integration would let investment teams view market intelligence alongside operational data in a single environment, helping them respond more effectively to shifting pricing and liquidity conditions. Ena Gordon, head of data and analytics product at MarketAxess, said the partnership would give clients a reliable source of fixed income trading and operational information as markets grow more complex.

The announcement builds on an existing relationship. Since June 2024, Arcesium has integrated MarketAxess Repo Match into Opterra, allowing clients to submit repurchase agreement trades directly for matching against counterparty confirmations. The integration also covers lifecycle events such as rate changes and trade close-outs, supporting automated record updates, faster exception resolution and straight-through processing. MarketAxess Repo Match connects 127 buy-side and sell-side firms and processes more than $700bn in average daily matched volume.

Arcesium's Opterra platform spans investment operations across the front, middle and back office, including position management, reporting, accounting, treasury and reconciliation. It serves hedge funds, traditional asset managers, private market funds and capital markets businesses.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Hedgeweek Arcesium integrates MarketAxess data