Moving to one master: Why multi-strategy funds are rebuilding reference data for real-time markets

Large multi-strategy hedge funds are rebuilding reference data systems to address expanding asset coverage, fragmented data masters, and the need for consistent, current information across global trading and research operations. The piece cites Citadel’s reported platform rebuild as an example of firms seeking to support new strategies and instruments more quickly while ensuring that all desks use shared definitions for securities, corporate actions, identifiers, and calendars. It argues that traditional cache-and-persistent-store architectures, often split between trading and research, struggle with rapidly changing markets, regional replication, data drift, and throttled quantitative workloads. Aerospike presents a unified, low-latency distributed reference-data platform as an alternative, claiming it can synchronize regional data, support high-volume parallel research and trading access, reduce stale-data risks, and allow firms to onboard new markets once rather than separately across multiple systems.

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