BYN to CUP exchange rate on 2026-09-15 Closing rate1 BYN = 7.9122 CUPDay-over-day change: 0.42%Previous close: 7.8787More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-19 Guide valutarie Tutti i tassi BYN Tutti i tassi CUP CUP Per BYN