NOK to NIO exchange rate on 2026-09-14 Closing rate1 NOK = 3.9577 NIODay-over-day change: -0.15%Previous close: 3.9639More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Guide valutarie Tutti i tassi NOK Tutti i tassi NIO NIO Per NOK