Citi Investor Services has integrated financial information exchange (FIX) API connectivity for its Asia-Pacific ETF clients on ACES (Advanced Citi ETF System), the bank’s proprietary global ETF processing platform. This upgrade allows authorized participants to establish a direct connection with ACES, simplifying the execution of ETF orders and streamlining primary market creation and redemption workflows. The advanced connectivity is set to debut in Australia before expanding into Hong Kong later in 2026. According to Citi, the FIX protocol functions as a universally recognized messaging standard designed for the real-time transmission of securities transaction data.
This direct technical integration markedly enhances operational efficiency for market participants by eliminating the tedious process of managing and reconciling transaction instructions across multiple fragmented platforms. The launch aligns with a massive expansion in the regional market, where Asia-Pacific ETF assets (excluding Japan) climbed to $1.81 trillion in February 2026, with projections from a PwC study estimating the market could reach $3.5 trillion by 2029. Peggy Vena, head of ETF services at Citi Investor Services, emphasized that ongoing digitization is vital to maintaining speed, efficiency, and standardization across these booming regional wealth flows, highlighting this deployment as part of Citi’s long-term commitment to upgrading its global ETF servicing infrastructure.
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