# Article 4 — Obligation to provide market data on a non-discriminatory basis **Commission Delegated Regulation (EU) 2025/1156 · binding · OJ L, 2025/1156, 3.11.2025 · dated 12 Jun 2025 [in force]** *In force · Commission Delegated Regulation (EU) 2025/1156, OJ L, 2025/1156, 3.11.2025 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2025/1156/oj/eng)* 1. Market data providers shall grant access to market data on a non-discriminatory basis, as regards fees, terms and conditions related to access, technical arrangements, and distribution channels. 1. Market data providers shall apply the same schedule of fees and the same terms and conditions to access market data to all clients requesting access to market data. 1. Market data providers shall have scalable capacities in place to ensure that market data clients obtain timely access to market data at all times on a non-discriminatory basis. 1. Market data providers shall offer clients the same set of options with respect to technical arrangements and ensure that technical arrangements neither discriminate nor create any unfair advantage or disadvantage. 1. Market data providers shall be able to justify any divergences in the provided solutions for access to market data adopted on the basis of valid technical constraints.