In exceptional circumstances, the normal time periods may change:
Continuous trading may be extended or curtailed for individual securities, for entire
market segments or even for the market as a whole.
For individual stocks or entire market segments, trading may be temporarily
suspended. There will then be no opening of, or continuous trading in the
market for these securities. Regulations in this regard can be found in the
Rule Book[pdf] and in the directives.
Central Limit Order Book (CLOB)
Bonds - CHF Swiss Confederation and Swiss Pfandbriefe
Shares and Investment Funds
Rights and Options
Bonds - CHF (except for Bonds - CHF Swiss Confederation and Swiss Pfandbriefe)
* In the trading segments Shares and Investment Funds an auction is conducted from
17.20 to 17.30.
Quote Driven Market (QDM)
Bonds - Non CHF
ETF on Bonds of the Swiss Confederation
ETF, ETSF and ETP (except for ETF on Bonds of the Swiss Confederation)
** In the trading segments ETFs, ETPs and Sponsored Funds an auction is conducted from 17.30 to 17.35