IncomeWealth
USD1   =  CHF 0.83065179CHF 0.792250
EUR1   =  CHF 0.9370347CHF 0.930500
GBP1   =  CHF 1.12509806CHF 1.065681

Official foreign exchange rates as of 31 December 2025 are available here. In this list are also included rates to apply for the main cryptocurrencies (these are found with the list of national currencies). These need to be reported in the tax declaration.

BTC 1 = CHF 69,571.988489
ETH 1 = CHF 2,364.081066
BCH 1 = CHF 470.570860