23 Jan 2020 Swiss National Bank Chairman Thomas Jordan said in a CNBC interview on Thursday, the negative interest rates are a SNB's Jordan: We don't manipulate Swiss franc exchange rate, CHF falls further. NEWS | Jan 23 thumbnail. Currencies US dollar recovers vs yen, Swiss franc, buoyed by stimulus hopes Dollar retreats as coronavirus fallout raises expectations of rate cut. The franc is the currency and legal tender of Switzerland and Liechtenstein; it is also legal The local Swiss currencies included the Basel thaler, Berne thaler, Fribourg gulden, Geneva thaler, Geneva genevoise, Luzern Bloomberg News.