Updated 22/01/2025
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Initial Legal Act
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Dear CEO Letter - Thematic review under Art. 9 of RTS 6
Published: 02/11/2023
Art. 6
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MiFID II ToolDelegated Regulation 2017/589
Article 6

Article 6 - Delegated Regulation 2017/589

Article 6

1.   An investment firm shall test the conformance of its algorithmic trading systems and trading algorithms with:

(a)

the system of the trading venue in any of the following cases:

(i)

when accessing that trading venue as a member;

(ii)

when connecting to that trading venue through a sponsored access arrangement for the first time;

(iii)

where there is a material change of the systems of that trading venue;

(iv)

prior to the deployment or material update of the algorithmic trading system, trading algorithm or algorithmic trading strategy of that investment firm.

(b)

the system of the direct market access provider in any of the following cases:

(i)

when accessing that trading venue through a direct market access arrangement for the first time;

(ii)

when there is a material change affecting the direct market access functionality of that provider;

(iii)

prior to the deployment or material update of the algorithmic trading system, trading algorithm or algorithmic trading strategy of that investment firm.

2.   Conformance testing shall verify whether the basic elements of the algorithmic trading system or the trading algorithm operate correctly and in accordance with the requirements of the trading venue or the direct market access provider. For this purpose the testing shall verify that the algorithmic trading system or trading algorithm:

(a)

interacts with the trading venue's matching logic as intended;

(b)

adequately processes the data flows downloaded from the trading venue.