Christina's Thought Leadership and Written Musings.

Insider trading surveillance has gone AI. Here's what that means.

The SEC now pairs a market-wide data feed — the Consolidated Audit Trail — with an agency-wide push to deploy artificial intelligence in examinations and enforcement. Detection is faster and broader than the pattern-matching systems of the last decade. But by the Chairman's own account, an algorithm cannot be the sole basis of an enforcement action. The gap between a flag and a case is where defense happens.