Operating systems rarely feature in conversations about market data infrastructure, yet every real-time feed, entitlement platform, monitoring system and cloud deployment depends on them. While firms continue to modernise through cloud adoption, automation and AI initiatives, the operating system remains critical to platform performance, security, resilience and long-term supportability. In this article, we explore why operating system strategy extends far beyond patching and upgrades, how it influences everything from latency and stability to vendor support and operational risk, and why getting the foundation right remains essential for any successful market data environment.

This Article Covers:

• Operating Systems: More Than an Infrastructure Component
• Performance Starts Below the Application Layer
• Practising What We Preach
• Where CJC Can Help