OMR to GTQ exchange rate on 2026-08-13 Closing rate1 OMR = 19.8333 GTQDay-over-day change: 0.02%Previous close: 19.8299More 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