Der algorithmische Handel

Mert Kilic

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Mert Kilic

Der algorithmische Handel

Regulierung, Rechtsvergleich und Praxisfragen

[Algorithmic Trading. Regulation, Comparative Law, and Practical Issues.]

2026. 480 pages.

forthcoming in July 2026

Schriften zum Recht der Digitalisierung (SRDi)

including VAT

sewn paper
forthcoming
978-3-16-200290-7

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Summary

We live in an algorithm-driven and digitalized world in which human behavior is increasingly replaced by information and communication technology. This trend toward digitalization also affects capital markets, where algorithmic trading and its regulation is a prime example of the shift from human behavior to full automation.

Mert Kilic provides a comprehensive analysis of the de lege lata regulation of algorithmic trading. He examines the origins, objectives, and systematic structure of the applicable legal provisions and evaluates their legal and practical effectiveness. The central guiding question is whether the current regulatory framework is both practicable and legally sufficiently precise. Beginning with the historical development of algorithmic trading, the study discusses the legislative motives and the legal-political justification for its regulation. The author defines the legal nature of the relevant provisions and explores how the concept of algorithmic trading is legally framed. In doing so, he examines whether the de lege lata definition encompasses trading via brokers, over-the-counter (OTC) transactions, or manually initiated orders, and how algorithmic trading is to be distinguished from the more specific category of high-frequency trading.

As part of the analysis of existing obligations for algorithmic trading firms, potential avenues for circumvention, enforcement deficiencies, and future developments are also identified. Furthermore, the supervisory and civil law consequences of regulatory violations are presented, with particular attention to liability issues arising from damages or system disruptions. Kilic also draws a comparative analysis with U.S. regulation in order to highlight differences and identify potential reform impulses for the de lege lata framework. The study concludes with a critical assessment of the current regulation, finding that the need for regulation in algorithmic trading exists only within narrow limits and that the de lege lata framework is in part indeterminate, excessively technical, and ultimately of limited practical suitability.

Table of contents:

Einleitung
Allgemeiner Teil: Grundlagen der Regulierung des algorithmischen Handels
§ 1. Die historische Entwicklung des algorithmischen Handels
§ 2. Die de lege lata Regulierung des algorithmischen Handels
§ 3. Rechtsvergleich zur Regulierung des algorithmischen Handels im US-Recht
§ 4. Dogmatische Implikationen der Regulierung des algorithmischen Handels
§ 5. Zusammenfassung in Thesen
Besonderer Teil: Die Regulierung des algorithmischen Handels in der Praxis
§ 6. Der algorithmische Handel in der Börsenpraxis
§ 7. Praxistauglichkeit der Regulierung des algorithmischen Handels
§ 8. Zusammenfassung in Thesen
Conclusio und Ausblick