NOK to NIO exchange rate on 2026-09-11 Closing rate1 NOK = 3.9722 NIODay-over-day change: -0.60%Previous close: 3.9960More 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