SER — TRUSTED REGULATOR

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.

About us

  • 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.

Latest notifications

Transaction Reports

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

More on the topic

​Media Releases

15.09.2023 SER initiates an investigation against Banque Cantonale du Valais (Walliser Kantonalbank) On 15 September 2023, SIX Exchange Regulation AG (SER) initiated an investigation against Banque Cantonale du Valais (Walliser Kantonalbank) due to a potential violation of the rules on ad hoc publicity. 22.08.2023 SER concludes investigation into Perrot Duval Holding SA SIX Exchange Regulation AG (SER) has imposed a fine of CHF 25’000 for violations of the rules on ad hoc publicity. Further Media Releases