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# Recital 59

*In force · Directive 2014/65/EU, OJ L 173, 12.6.2014 · Checked against EUR-Lex on 28 Sep 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32014L0065)*

The use of trading technology has evolved significantly in the past decade and is now extensively used by market participants. Many market participants now make use of algorithmic trading where a computer algorithm automatically determines aspects of an order with minimal or no human intervention. Risks arising from algorithmic trading should be regulated. However, the use of algorithms in post-trade processing of executed transactions does not constitute algorithmic trading. An investment firm that engages in algorithmic trading pursuing a market making strategy should carry out that market making continuously during a specified proportion of the trading venue’s trading hours. Regulatory technical standards should clarify what constitutes specified proportion of the trading venue’s trading hours by ensuring that such specified proportion is significant in comparison to the total trading hours, taking into account the liquidity, scale and nature of the specific market and the characteristics of the financial instrument traded.