The price has risen in 7 of the last 10 days and is up by 5.01% over the past 2 weeks. … Predicted Opening Price for United Microelectronics Corporation of Monday, March 28, 2022. Fair opening price March 28, 2022Current price$9.37$9.44 (Overvalued)Should You Buy UMC Stock? – StockInvest.us stockinvest.us › stock › UMC