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Published]","attribution":{"prepared_by":"ESMA","published_by":"ESMA","published_in":"ESMA Q&A tool","document_type":"qa_answer","legal_nature":"not_legislation","addressees":"not stated in the document","dates":{"published_on":"2016-11-18","question_submitted_on":"2016-11-18","locators":{"published_on":"ESMA Q&A Excel export ESMA_QA_1593, column 'Esma responses', date line","question_submitted_on":"ESMA Q&A Excel export ESMA_QA_1593, column 'Date of submission'"}},"adoption":null}},"provenance":{"official_url":"https://www.esma.europa.eu/publications-data/questions-answers/1593","check":{"result":"matched","checked_at":"2026-10-26","against":"the ESMA publication"},"repo_path":"spaces/mifir/level-3/q-and-a/esma/esma-qa-1593-data-disaggregation.md","body_sha256":"b2402c5a70dd6eeed7b5a4168a1adbd77cb90592a3909585d4d68f01bd37eff5"},"units":[],"markdown":"---\ntitle: \"ESMA Q&A 1593 — Q&A — Data disaggregation [Answer Published]\"\nshortTitle: \"ESMA Q&A 1593 — Q&A — Data disaggregation [Answer Published]\"\nanswer_id: ESMA_QA_1593\ntopic: \"Data reporting services providers\"\nstatus: \"Answer Published\"\ntype: qa\ninstrument_type: qa\nauthority: ESMA\nbinding: false\nbinding_character: non_binding\nlegal_status: in_force\nregulation: \"MiFIR\"\nmifir_level3: true\nmica_level2: false\nlegal_basis: \"MiFIR\"\ndate: 18 November 2016\nsource_link: https://www.esma.europa.eu/publications-data/questions-answers/1593\nlifecycle: \"Answer Published\"\ntext_version: \"ESMA Q&A register, 18 November 2016\"\nsource_url: \"https://www.esma.europa.eu/publications-data/questions-answers/1593\"\ncheck_status: matched\nverified: true\nlast_checked: 2026-10-26\nchecked_against: \"the ESMA publication\"\nsource:\n  prepared_by: \"ESMA\"\n  published_by: \"ESMA\"\n  published_in: \"ESMA Q&A tool\"\n  evidence:\n    prepared_by: \"ESMA Answer\"\n    locator: \"ESMA Q&A entry ESMA_QA_1593: field 'ESMA Answer', no 'Answer provided by' line\"\ndocument_type: \"qa_answer\"\nlegal_nature: \"not_legislation\"\naddressees: \"not stated in the document\"\ndates:\n  published_on: \"2016-11-18\"\n  question_submitted_on: \"2016-11-18\"\n  locators:\n    published_on: \"ESMA Q&A Excel export ESMA_QA_1593, column 'Esma responses', date line\"\n    question_submitted_on: \"ESMA Q&A Excel export ESMA_QA_1593, column 'Date of submission'\"\nlifecycle_label: \"Answer Published\"\n---\n\n**Answer by ESMA, published in its Q&A tool · not legislation · published 18 Nov 2016 [Answer Published]**\n\n*Answer Published · ESMA Q&A register, 18 November 2016 · Checked against the ESMA publication on 26 Oct 2026 · [Official source](https://www.esma.europa.eu/publications-data/questions-answers/1593)*\n\n| | |\n|---|---|\n| **Full title** | ESMA Q&A 1593 — Q&A — Data disaggregation \\[Answer Published\\] |\n| **Prepared by** | ESMA |\n| **Published by** | ESMA, in the ESMA Q&A tool |\n| **Reference** | ESMA_QA_1593 |\n| **Document type** | Q&A |\n| **Legal nature** | Not legislation |\n| **Addressees** | Not stated in the document |\n| **Dates** | Published 18 November 2016; question submitted 18 November 2016 |\n| **Legal basis** | MiFIR |\n| **Related instruments** | None recorded |\n| **Text on this page** | Word for word — the full text of the ESMA publication |\n\n**Data disaggregation**\n\n### Question\n\nWill disaggregation be required at the level of the market operator or at the level of each trading venue?\n\n***\n\n### Answer\n\n\\[ESMA 70-872942901-38 MiFID II MiFIR market structures Q&A, Q&A 2.1\\]\n\nDisaggregation is required at the level of each trading venue for which the market operator or investment firm operating a trading venue has received a specific authorisation under MiFID II.\n\n***\n\n**Source:** [ESMA original document](https://www.esma.europa.eu/publications-data/questions-answers/1593)\n"}