# Article 5 — Type of data that must be stored and the period of time trading venues, APAs, and CTPs shall store data **Commission Delegated Regulation (EU) 2017/577 · binding · OJ L 87, 31.3.2017 · dated 13 Jun 2016 [in force]** *In force · Consolidated version of 21 June 2026 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02017R0577-20260621)* 1. Trading venues, APAs, and CTPs shall store all data required to perform the calculations referred to in Article 2(1) for five years, regardless of whether that information has been made public. 2. Trading venues, APAs, and CTPs shall store all data which ESMA or competent authorities may request in accordance with Article 2, (2) and (3), for five years, regardless of whether that information has been made public.