Cash, foreign currency, securities

The linked page below will provide you with information on the topic:

Please note that different provisions apply at the moment because of the extraordinary situation. You will find questions and answers in this regard at www.ch.ch (in German, French or Italian).

https://www.ezv.admin.ch/content/ezv/en/home/information-private/reisen-und-einkaufen--freimengen-und-wertfreigrenze/einfuhr-in-die-schweiz/bargeld--fremdwaehrung--wertpapiere.html