Market Abuse Surveillance

Overview

Market abuse surveillance is the continuous or periodic monitoring of orders, trades, communications, accounts, and market data to detect patterns that may indicate manipulation, insider dealing, or other prohibited conduct.

Market Abuse Surveillance is closely connected to Market Abuse, Market Manipulation, and Layering (Market Manipulation). It differs from ordinary fraud monitoring because the focus is market integrity and trading behavior, often requiring full order-book context, cross-account linkage, and venue-specific rules.

Operational implementation should define scenario coverage, ingest complete and time-synchronized data, calibrate thresholds, link entities, review alerts independently, preserve evidence, validate models, and document regulatory reporting decisions.

The principal failure modes include missing cancellations, poor clock synchronization, fragmented venues, unlinked accounts, excessive alert volume, model drift, and analysts closing alerts without sufficient evidence.

Useful measures include scenario coverage, alert-to-case conversion, false-positive rate, investigation time, data completeness, and suspicious transaction or order reports filed.

Operationally, teams should define scenario coverage, ingest complete and time-synchronized data, calibrate thresholds, and link entities. Key risks include missing cancellations, poor clock synchronization, fragmented venues, and unlinked accounts.

A production treatment of Market Abuse Surveillance should test detection of patterns that may indicate manipulation, insider dealing, or other prohibited conduct within the relevant asset, decision, or service state. The Market Abuse Surveillance context record for patterns that may indicate manipulation, insider dealing, and other prohibited conduct should preserve source data, configuration or policy version, responsible actor, exception, and outcome. Review of Market Abuse Surveillance should determine whether safeguards addressing patterns that may indicate manipulation, insider dealing, and other prohibited conduct changed exposure in practice, not merely whether a document or setting existed.