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Meeting the Clock Synchronisation Demands of MiFID II Article 50 and FINRA SEC Rule 613

In the intricate landscape of financial regulations, two significant directives—MiFID II Article 50 and FINRA SEC Rule 613—underscore the criticality of timestamp synchronisation. In this comprehensive analysis, we explore the explicit requirements of these directives and delve into the accuracy standards organisations must uphold for compliance.

Visual for chronological order

MiFID II Article 50: Ensuring Chronological Accuracy

The Precise Timestamp Imperative

At the core of MiFID II lies Article 50, a pillar that mandates financial firms accurately timestamp every event and transaction. However, the demand for accuracy goes far beyond simply noting the time an event occurred. The requirement is for timestamps to be synchronised to Coordinated Universal Time (UTC) with an astonishing precision of microseconds. This level of accuracy ensures that every action, every order, and every trade is attributed to its exact moment in time.

Data Integrity and Transparency

The rationale behind such stringent requirements is grounded in data integrity and transparency. MiFID II mandates that the entire lifecycle of a trade or transaction be traceable, from the initiation of an order to its execution. Accurate timestamps facilitate this traceability, providing a chronological thread that regulators can follow to ensure compliance, detect irregularities, and reconstruct market events accurately.

Compliance by the Microsecond

MiFID II doesn't merely ask for precision; it enforces it. The level of accuracy required—microseconds—demands a technological approach that aligns timekeeping devices to global time standards with an unparalleled degree of accuracy.

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FINRA SEC Rule 613: Bridging the Time Gap

The Consolidated Audit Trail Mandate

Across the Atlantic, the United States introduces its own directive in the form of FINRA SEC Rule 613. This rule addresses the consolidated audit trail (CAT) requirements—a comprehensive database capturing every order, execution, and related event for equities and options across the industry. In this landscape, time synchronisation becomes the bridge that connects events to their documentation.

Synchronisation Standards and Transparency

Rule 613 mandates synchronisation with the National Institute of Standards and Technology (NIST) Coordinated Universal Time UTC) reference source. The synchronisation requirement is within 50 milliseconds, a standard that ensures a close alignment between the occurrence of an event and its documentation. This synchronisation fosters transparency and provides regulators with the tools to analyse market activities with precision.

Who Needs to Comply?

Both MiFID II Article 50 and FINRA SEC Rule 613 have broad scopes, encompassing a range of financial entities. In the European Union, MiFID II compliance pertains to investment firms, trading venues, and data reporting service providers, among others. In the United States, Rule 613 extends its scope to national securities exchanges and FINRA members.

Leveling the Playing Field

These directives aim to ensure a level playing field in the financial landscape. Compliance isn't solely the concern of large entities; smaller players engaged in trading, order execution, and transaction reporting must also adhere to the clock synchronisation requirements.

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Precision in Practice: Clock Sync Technology

The Clock Synchronisation Solution

How do financial institutions meet these precision demands? The answer lies in clock synchronisation technology. This technology, powered by Network Time Protocol (NTP) and Precision Time Protocol (PTP) methods, ensures that timestamps are accurately synchronised across all relevant systems.

NTP and PTP: Catering to Diverse Needs

NTP provides synchronisation accuracy within milliseconds, catering to a broad spectrum of compliance needs. However, for environments demanding microsecond-level precision, such as high-frequency trading, PTP emerges as the preferred method. PTP offers synchronisation accuracy on the order of microseconds and even nanoseconds, enabling precise timestamping of even the most time-sensitive activities.


In the intricate landscape of financial regulations, MiFID II Article 50 and FINRA SEC Rule 613 cast a spotlight on the paramount importance of timestamp synchronisation. While the accuracy standards vary between the two directives, both emphasise the necessity of reliable, synchronised timestamps to maintain transparent audit trails and ensure compliance.

A Technological Solution for Compliance Confidence

By embracing clock synchronisation technology, financial institutions not only fulfill regulatory requirements but also position themselves as pioneers in compliance excellence. This innovation ensures that every trade, every transaction, and every event is precisely documented, promoting transparency, accountability, and a firm commitment to regulatory standards.

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