chartexchange

UMC
United Microelectronic Corp.
stockNYSEADR

At CloseOct 27, 2026 3:59:55 PM EDT
19.47USD+1.512%(+0.29)10,879,805
Pre-marketOct 28, 2026 9:22:30 AM EDT
19.02USD-2.211%(-0.43)
After-hoursOct 27, 2026 4:28:30 PM EDT
19.46USD-0.051%(-0.01)
16.34Bid21.89Ask5.55Spread
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Technology
Semiconductors
HQ
Hsinchu City, Hsinchu, Taiwan
20,000
Previous Close
$19.18
Beta
1.81
52-Week High
$28.96 2026-06-25
52-Week Low
$6.97 2025-11-17
SMA 50
$21.65
SMA 200
$16.92
Avg. Vol 10D
10.92M
Avg. Vol 30D
11.42M
Avg. Vol 90D
13.50M
Relative Vol
0.95
2.17B
30,184,605
0.5400%
1,600,000
2,744
Oct 28, 2026 (today)
Jul 2, 2024 · $0.463
Aug 7, 2008 · 1.045-for-1
UMC Profile

umc (nyse: umc, twse: 2303) is a leading global semiconductor foundry that provides advanced technology and manufacturing for applications spanning every major sector of the ic industry. umc's robust foundry solutions allow chip designers to leverage the company's leading-edge processes, which include 28nm poly-sion and gate-last high-k/metal gate technology, mixed signal/rfcmos, and a wide range of specialty technologies to enable specialized applications such as iot and wearable, sensing, mems, automotive, pmic and cis. production is supported through 10 wafer manufacturing facilities that include two advanced 300mm fabs; fab 12a in taiwan and singapore-based fab 12i. fab 12a consists of phases 1-4 which are in production for customer products down to 28nm. construction has been completed for phases 5&6, with future plans for phases 7&8. umc's total manufacturing capacity exceeds 500,000 8-inch equivalent wafers per month, providing ample supply for our global customer base. the comp

UMC Performance
PeriodPriceDateChangeBeta
1W19.822026-10-21-1.74%3.433
1M23.852026-09-28-18.34%2.125
3M17.362026-07-28+12.18%2.189
6M11.662026-04-28+67.02%2.958
1Y7.632025-10-28+155.24%1.814
2Y7.422024-10-28+162.47%—
5Y10.592021-10-28+83.90%1.262
UMC Stock Summary

United Microelectronic Corp. (NYSE:UMC) stock price today is $19.48, and today's volume is 10,879,805. UMC is up 1.538% today. The 30 day average volume is 11.42M. UMC market cap is $48.84B with 2.51B shares outstanding.