OMR to GTQ exchange rate on 2026-08-22 Closing rate1 OMR = 18.6712 GTQDay-over-day change: -5.90%Previous close: 19.8421More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-19 Guide valutarie Tutti i tassi OMR Tutti i tassi GTQ GTQ Per OMR