CUP to BYN exchange rate on 2026-09-04 Closing rate1 CUP = 0.1284 BYNDay-over-day change: -0.03%Previous close: 0.1285More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-19 Guias de moedas Todas as taxas CUP Todas as taxas BYN BYN Para CUP