CSSF: Questions and Answers on MiFIR data reporting

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Last Updated on June 3, 2025 by Arnaud Collignon

Understanding MiFIR Data Reporting: Key Questions and Answers

The Markets in Financial Instruments Regulation (MiFIR) establishes a comprehensive framework for the reporting of financial data. This post aims to clarify some of the most frequently asked questions regarding MiFIR data reporting, ensuring that financial institutions and stakeholders are well-informed about their obligations.

What is MiFIR Data Reporting?

MiFIR data reporting refers to the requirements set forth by the European Union for the reporting of transactions and positions in financial instruments. This regulation aims to enhance transparency and improve the functioning of financial markets.

Who is required to report under MiFIR?

Entities that are obligated to report include:

  • Investment firms
  • Market operators
  • Data reporting services providers

These entities must ensure that all relevant transactions are reported accurately and in a timely manner.

What types of data must be reported?

The following types of data are required under MiFIR:

  • Transaction details, including the price and volume of trades
  • Information about the financial instruments involved
  • Details about the counterparties

Accurate reporting of this data is crucial for regulatory oversight and market integrity.

How should data be reported?

Data must be reported electronically to a registered Data Reporting Service Provider (DRSP). It is essential to follow the specific formats and protocols established by the regulatory authorities to ensure compliance.

What are the penalties for non-compliance?

Failure to comply with MiFIR reporting obligations can result in significant penalties, including:

  • Fines
  • Reputational damage
  • Increased scrutiny from regulators

Entities must prioritize compliance to avoid these repercussions.

Where can I find more information?

For further details on MiFIR data reporting, you can refer to the following resources:

By staying informed and compliant with MiFIR data reporting requirements, financial institutions can contribute to a more transparent and efficient market.

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