Definition in English: Bannbruch refers to a term used in German legal and financial contexts, specifically in capital markets.

Derived from the words "Bann," which means "ban" or "prohibition," and "Bruch," which translates to "breach," Bannbruch represents the unauthorized disclosure or breach of a securities trading ban. Derivatives and other financial instruments are subject to trading bans, which can be implemented for various reasons, such as insider trading investigations, price stabilization efforts, or during mergers and acquisitions. These bans are put in place to maintain market integrity, prevent unfair advantages, and ensure a level playing field for all market participants. When an individual, often an insider or a market participant with access to sensitive information, disregards these trading restrictions and engages in unauthorized trades during the ban period, it is considered a Bannbruch. This intentional violation undermines market regulations, compromises investor confidence, and can lead to severe legal consequences, including financial penalties and even imprisonment. To prevent Bannbruch and ensure compliance with trading bans, financial institutions and regulatory bodies closely monitor trading activities, especially during critical periods when bans are imposed. Comprehensive surveillance systems and advanced technology are utilized to detect and report any suspicious activities promptly. These measures help to maintain market transparency and safeguard investor interests. Moreover, it is worth noting that Bannbruch not only applies to traditional financial markets but can also be relevant in the emerging realm of cryptocurrency trading. With the rapid growth of digital assets and decentralized exchanges, regulators have extended their oversight to include these platforms, aiming to combat unauthorized trading during bans effectively. In summary, Bannbruch refers to the breach of a securities trading ban, where an individual engages in unauthorized trading during restricted periods. As a foundational principle of capital markets, compliance with trading bans is crucial to uphold market integrity, fairness, and investor trust. Both established financial markets and emerging cryptocurrency exchanges strive to prevent Bannbruch through stringent surveillance measures and robust regulatory frameworks.