CHF to BYN exchange rate on 2026-08-18 Closing rate1 CHF = 3.7436 BYNDay-over-day change: 0.30%Previous close: 3.7324More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Guide valutarie Tutti i tassi CHF Tutti i tassi BYN BYN Per CHF