MiFID Trading Time Precision: Milliseconds Vs Microseconds | Prevent Silent Errors in MiFID
Key Takeaways
- Granularity Depends on Context: MiFID timestamp precision is determined by execution setting and trading technique, not by a single universal reporting standard.
- High-Frequency Threshold: On-venue activity generated by high-frequency algorithmic trading must be reported with microsecond granularity or better consistently throughout processing.
- Venue Execution Rule: Non-high-frequency trading on a venue generally requires millisecond granularity for the market-facing transaction report instead operationally everywhere.
- Off-Venue Distinction: Off-venue transactions only require second-level granularity, highlighting that precision rules change materially across execution contexts globally too operationally.
- Control Weakness Signal: Widespread precision errors can indicate deficiencies in front-office trade capture or downstream reporting systems rather than isolated mistakes.
Silent Errors in Your MiFID Transaction Reports
MiFID trading time precision requirements depend on the execution context. This guide explains when firms must report timestamps in microseconds, milliseconds, or seconds, and why incorrect granularity is a silent reporting error that can indicate control weaknesses and create regulatory risk.
Qomply has seen high percentage of on-venue transactions reported with the inappropriate level of time precision for the type of trading being conducted.
It would not be considered material if a small percentage of transactions were reported without the required milliseconds or microseconds reflected in the trading date and time. However, if a fair number of transactions are reported without the required trading time precision, it could signal an issue in the front office trade capture systems or downstream systems. It may also lead to issues within the firms market surveillance or downstream market oversight conducted by the regulators.
Some general points to remember:
- When activity is generated by a firm using a high-frequency algorithmic trading technique and executed on a Trading Venue, then the firm should report the transaction using microsecond granularity or better.
- If activity was not generated by a high-frequency trading technique and traded on a trading venue, the trading date and time should be recorded using millisecond granularity or better for the transaction report showing the market execution.
- For a chain with an end execution on a Trading Venue only the entity facing the market on the Trading Venue needs to be reported with the granularity.
- For Off-Venue Transactions, firms should populate the trading date and time on its transaction report to second granularity or better.
How Qomply can help
Qomply’s Regulatory Reporting Hub combines regulatory expertise with AI, automation and data analytics to deliver scalable, audit-ready reporting intelligence that reduces errors, lowers remediation costs, and minimises operational and regulatory risk.
Covering regimes including MiFIR, EMIR Refit, SFTR, CFTC, CSA, MAS, ASIC and HKMA, Qomply also offers a fully managed service and operates globally from London.
Frequently asked questions
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It requires microsecond granularity or better when activity is generated by a high-frequency algorithmic trading technique and executed on a trading venue. The article presents this as the highest-precision requirement in the regime.
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They are sufficient when the trade is on-venue but not generated by a high-frequency trading technique. The article says the market-facing transaction report should then use millisecond granularity or better.
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It says off-venue transactions should be reported to second granularity or better. The article contrasts this with the stricter requirements for on-venue executions.
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It describes it as silent because a large number of trades can be reported at the wrong granularity without obvious immediate failure, while still indicating weaknesses in trade-capture or downstream systems. The article says it can also create problems for market surveillance.
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Only the entity facing the market on the trading venue needs to report the required granular timestamp. The article says that is the relevant report in the chain for millisecond or microsecond precision.
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