SER regulates and monitors exchange participants and issuers on the Swiss Stock Exchange and publishes any information relevant to this. We provide transparency and ensure that all market participants receive equal treatment.

SIX Exchange Regulation AG reaches an agreement with Achiko AG

SIX Exchange Regulation AG (SER) has concluded an agreement with Achiko AG with regard to breaches of IFRS accounting standards in the 2019 annual financial statements. As part of the agreement, the company has undertaken to correct the deficiencies in the 2020 IFRS annual financial statements and to make a donation of CHF 10,000 to the IFRS Foundation.

  • What we do

    We regulate the Swiss Stock Exchange, set standards and communicate them.

  • What we do

    When standards are violated, we investigate.

  • What sets us apart

    We fulfil our duty neutrally and independently.

Management Transactions

Investors may be interested to know if managers are buying or selling shares in their own company. That’s why we make management transactions public.

Transaction Reports

Under federal law, exchange participants and securities traders are obliged to fulfill their reporting obligations to ensure transparency in securities trading.