$20.08
+1.31%Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open$20.55
From 52W high−28.34%
Volume8.35M
Market cap$50.55B
P/E (TTM)19.5x
P/S (TTM)6.5x
Div yield2.05%
Key dataOct 19, 2026
Open
$20.55
From 52W high
−28.34%
Volume
8.35M
Market cap
$50.55B
ValuationView details →
P/E (Fwd)
19.5x
EV/EBITDA
9.9x
P/E (TTM)
19.5x
RSI (14)
36.9
MomentumView details →
1D Return
+1.31%
YTD Return
+157.51%
SummaryUpdated Jun 1, 2026
United Microelectronics Corporation (NYSE:UMC) is a Taiwan-based semiconductor foundry company founded in 1980 and headquartered in Hsinchu City. As one of the world's leading contract chip manufacturers, UMC provides semiconductor wafer fabrication services to fabless design companies and integrated device manufacturers globally. The company went public on the New York Stock Exchange in 2000 and operates manufacturing facilities across Taiwan, Singapore, China, and serves customers worldwide including Asia, North America, and Europe.
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Latest newsMore news →
UMC declined an expedited Samsung order for Galaxy Z Fold8 display driver ICs, with GLOBALFOUNDRIES Inc. considered as a backup foundry.5d agoJapanese shares and exchange-traded products showed elevated trading volume in the 10 a.m. ranking, with listed names’ volume changes and price moves reported as of 10:30 on October 7.13d ago