Turkey Decreases Capital Markets Leverage Ratio and Introduces New Initial Margin Requirement

In today's globalized trade environment, many companies engage in commercial relations with other firms and conduct international trade.

Kambiyo senetleri; poliçe, bono ve çekten oluşan, ticaret hayatında önemli bir yere sahip kıymetli evrak türleridir. Bu senetler, alacakların güvence altına alınması, ticari işlemlerin hızlandırılması ve ekonomik dolaşımın kolaylaştırılması bakımından büyük işlev görmektedir. Türk hukukunda kambiyo senetleri, 6102 sayılı Türk Ticaret Kanunu’nda (“TTK”) poliçe, bono ve çek olmak üzere üç ayrı başlık altında düzenlenmiştir.

Turkish competition enforcement has entered a phase in which the Authority's most consequential interventions increasingly arrive before, rather than after, a finding of infringement. This Summer 2026 edition covers eight developments spanning digital markets policy, merger remedies, physical access to retail infrastructure, labour market information exchange, AI distribution channels, procedural cooperation obligations and the transition between fining regimes.

Oracle Corporation, the American technology giant, agreed to pay the U.S. Securities and Exchange Commission ("SEC") $22.9 million as the result of the investigation to resolve charges...

One of the economic purposes of joint stock companies is to generate profits through their business activities and to distribute such profits among their shareholders in accordance with the rules stipulated by law and the articles of association.

Serbest fonlar başta olmak üzere yatırım fonlarının fiili dolaşımdaki pay oranı düşük şirketlerde oluşturdukları yoğunlaşma sebebiyle piyasada oluşan yapısal risklerin giderilmesi amacıyla SPK, hem bu oranın hesaplanmasına ilişkin kuralları hem de yatırım fonlarının yatırım sınırlamalarını yeniden ve detaylı şekilde düzenlemiştir. Bu yazıda özellikle fiili dolaşımdaki pay oranına ilişkin değerlendirmelerimize yer verilmiştir.

The Capital Markets Board of Türkiye (“CMB” or the “Board”), through its principle decision No. i-SPK.15.2 (dated 03.09.2026 and numbered 54/1614) (“Resolution”), has lowered to 3% the minimum shareholding disclosure threshold under the Material Events Disclosure Commu-niqué No. II-15.1 (“Communiqué”). The Reso-lution will apply as from the end of the day on 11.09.2026.

This article examines the establishment and continuing management of a foreign business presence in Türkiye. It compares subsidiaries, branches and liaison offices, and considers capital, corporate documentation, governance, representative authority, investment reporting, work authorisation and data protection. Judicial decisions concerning corporate organisation and management duties are considered in their relevant context. The analysis argues that the choice of vehicle should follow the proposed activity, ownership arrangements and expected life of the investment. Effective legal preparation connects incorporation with the company's subsequent compliance, financing, decision-making and exit arrangements rather than treating registration as the final objective.

Turkey's e-commerce sector achieved a historic milestone in 2025, with transaction volume reaching 4.57 trillion TL—a 52.2% year-over-year increase. The Ministry of Trade's comprehensive report reveals how artificial intelligence integration, quick commerce models, and sustainability initiatives are reshaping consumer behavior and business operations.

Within the scope of the European Green Deal, which constitutes one of the key elements of the European Union’s (“EU”) policies to combat climate change, the EU aims to reduce greenhouse gas emissions and achieve a climate-neutral economy by 2050.

Turkey's new regulation mandates strict age verification and child-specific protections for social media platforms, prohibiting services to users under 15 and requiring segregated, privacy-enhanced accounts for those aged 15-17. Social network providers must implement parental controls, restrict targeted advertising and profiling, and establish transparent appeal mechanisms, with enforcement beginning November 2026.

The Turkish Competition Board ("Board") will conduct a full scope investigation into Google's exclusivity agreements with original equipment manufacturers.

Amendments introduced to the Law No. 5651 on the Regulation of Broadcasts via the Internet and the Prevention of Crimes Committed through Such Broadcasts (the “Law”)...

Turkey's amended Law No. 5651 introduces comprehensive regulatory obligations for social network providers and gaming platforms, establishing age verification requirements, parental controls, and content moderation standards. The legislation, effective November 2026, creates a graduated enforcement framework with administrative fines reaching up to 3% of global turnover and potential bandwidth restrictions for non-compliant platforms.

The Turkish Competition Board has partially lifted commitments previously imposed on Yemeksepeti, finding that the online food delivery market has evolved from a near-monopoly to a competitive multi-player environment. This decision examines how binding commitments may be reassessed when market conditions materially change, and explores the treatment of most-favoured-nation clauses under both antitrust and abuse of dominance provisions.

The Capital Markets Board of Türkiye has introduced significant changes to share ownership disclosure requirements and free float calculations for companies listed on Borsa İstanbul. The new regulations lower the minimum disclosure threshold from 5% to 3% and establish updated rules for how repurchased shares and indirect shareholdings affect free float calculations. These changes have important implications for direct shareholders, persons acting in concert, and those with indirect ownership stru

Turkey's new Plant Quarantine Regulation introduces comprehensive digital transformation through the BKKTS system, eliminating wet signatures for entry, exit, and transit procedures. The regulation establishes stricter controls for high-risk products, mandates electronic plant health certificates with QR codes, and implements a three-stage official control process to prevent contamination from harmful organisms.

The Regulation on Licensing of Medicinal Products for Human Use introduced by the Turkish Pharmaceuticals and Medical Devices Agency which aims to regulate the procedures and principles pertaining to licensing processes ...

Turkey's parliament has adopted sweeping amendments to the Soil Conservation and Land Use Act that impose unprecedented restrictions on the alcohol industry, including comprehensive bans on sponsorship, promotion, and brand-stretching...

Turkey has introduced a new regulatory framework governing the production and marketing of fruit saplings and propagation materials through a comprehensive certification system.