Members of SIX Swiss Exchange can submit a request for admission to trading of equity securities
of foreign issuers with a primary listing on an exchange recognized by the Regulatory
Board to SIX Exchange Regulation. For each security admitted to trading in
the Sponsored Foreign Shares segment a Sponsor undertakes the commitment to do market
making in order to guarantee liquidity in the market.
The market maker undertakes to comply with the following requirements:
To provide bid/ask prices for minimum amounts
To avoid prices which exceed the maximum spread
These requirements apply on a monthly basis during 90% of the official trading hours of SIX Swiss Exchange.
To ensure high quality, SIX Swiss Exchange monitors every trade for adherence to these requirements.