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by grpt 994 days ago
Haven't they been doing this with ARTEMIS for many years?

From 2015: https://www.sec.gov/news/statement/remarks-21st-internationa...

"our staff also developed a tool called ARTEMIS, which stands for the Advanced Relational Trading Enforcement Metrics Investigation System. This initiative analyzes suspicious trading patterns and relationships among multiple traders and uses the Division’s electronic database of over 6 billion electronic equities and options trading records."