NOK to NIO exchange rate on 2026-08-18 Closing rate1 NOK = 3.9040 NIODay-over-day change: 0.27%Previous close: 3.8935More 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