The board
- Hours
- Full time
- Where
- New York, United States
- Posted
- Sep 14
Purpose of the Role
Market Supervision forms part of the Market Regulation department and is responsible for monitoring secondary market trading across London Stock Exchange ("LSE"), Turquoise Global Holdings Limited ("TGHL") and Turquoise Global Holdings Europe B.V. ("TGHE").
This role supports the real-time and post-trade supervision of trading activity across LSE's extended-hours trading model, LSE 24. The role contributes to the orderly operation of the market through the monitoring, investigation and escalation of unusual trading activity, market events, potential market abuse and breaches of Exchange Rules.
The role requires strong analytical skills, attention to detail, an interest in financial markets and the ability to assess trading activity within established supervisory frameworks and procedures.
What you'd do
- Perform real-time and post-trade monitoring of LSE 24 activity, identifying unusual trading behaviour, market events and participant activity requiring further review.
- Investigate and escalate unusual trading patterns, potential market abuse indicators, disorderly trading conditions and potential breaches of Exchange Rules.
- Support the monitoring and management of trading halts, volatility events, trade cancellations and other operational or market structure incidents during non-UK working hours.
- Analyse trading data, surveillance outputs and market information to support supervisory assessments and investigations.
- Prepare clear and accurate investigation summaries, reports, escalations and management information.
- Respond to member firm enquiries and assist with supervisory follow-up activity under established procedures.
- Apply knowledge of LSEG rule books, market structure, trading systems and venue controls when reviewing trading activity.
- Support the maintenance and continuous improvement of surveillance controls, monitoring procedures and operational playbooks.
- Work collaboratively with Operations, Compliance, Technology and Regulatory teams to support effective market oversight across multiple time zones.
- Contribute to testing, readiness activities and process improvements supporting the continued development of the LSE 24 operating model.
- Starts
- 2026-09-14