Case Lab · Markets surveillance
A market-maker label does not explain the self-cross
Start with the supplied facts and choose the next action before opening the published decision. Synthetic case; no customer data is accepted and no live decision is made.
Case file · Markets surveillance
- Offsetting orders share a beneficial owner
- Timing and price align across the accounts
- A market-making mandate exists but does not explain the self-cross
Your call · Markets surveillance
Your choice comes firstClose the alert because the account is a market maker?
A surveillance episode has a legitimate-business explanation, but that explanation does not account for the strongest trading evidence.