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Discover how London Stock Exchange Group (LSEG) revolutionized their market intelligence infrastructure to handle over 220 billion daily market data updates from 575+ global exchanges in this AWS re:Invent 2025 conference talk. Explore LSEG's comprehensive transformation journey as they built the Matrix Signals Platform using serverless architecture to detect patterns and anomalies across billions of financial messages. Learn about their strategic migration of historical data to Amazon S3, the development of a cloud-native real-time market data delivery platform, and the implementation of sophisticated analytics using AWS Glue, Amazon Athena, and Amazon Bedrock. Examine how LSEG tackled cost-optimization challenges at petabyte scale while maintaining data consistency across 34 global sites, ultimately achieving a remarkable 5x cost reduction and improving anomaly detection capabilities from days to minutes. Gain insights into the technical architecture decisions, scalability solutions, and operational strategies that enabled LSEG to transform the backbone of global financial markets through cloud-native technologies.
