 The Swiss franc-related exchange traded fund has plunged this year, with the currency trading at parity with the U.S. dollar for the first time since late 2019, as Switzerlands safe-haven status erodes. The Invesco CurrencyShares Swiss Franc Trust NYSEArca: FXF continued to decline 1.0 on Thursday after decreasing 8.7 year-to-date. 