$16.02
−2.32%Price chart
Oct 6Oct 9Oct 14Oct 19Oct 22Oct 27Oct 30Nov 4
Key dataNov 4, 2026
Open$16.37
From 52W high−42.83%
Volume6.91M
Market cap$40.33B
P/E (TTM)8.7x
P/S (TTM)5.0x
Div yield2.57%
Key dataNov 4, 2026
Open
$16.37
From 52W high
−42.83%
Volume
6.91M
Market cap
$40.33B
ValuationView details →
P/E (Fwd)
16.1x
EV/EBITDA
7.6x
P/E (TTM)
8.7x
RSI (14)
24.9
MomentumView details →
1D Return
−2.32%
YTD Return
+104.83%
SummaryUpdated Sep 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 →
Taiwan's stock market closed down 1,612 points (3.6%) at 43,307, with TSMC down 1.5%, Hon Hai down 2.2%, and Delta Electronics, MediaTek and United Microelectronics down about 6% to 7%.1d agoUNITED MICROELECTRONICS CORP reportedly received large photonic integrated circuit orders from Zhongji Photonics and Silicon Photonics, with the initial batch potentially reaching 10,000 wafers.3d agoTaiwan's weighted index hit a record high on October 5, 2026, rising as much as 1,294 points to 49,770 and standing at 49,653, up 1,177 points or 2.4%.31d ago