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UMC
United Microelectronic Corp.
stock NYSE ADR

At Close
Jul 23, 2026 3:59:59 PM EDT
20.88USD-1.926%(-0.41)9,188,085
17.77Bid   20.91Ask   3.14Spread
Pre-market
Jul 23, 2026 9:29:30 AM EDT
20.51USD-3.680%(-0.78)50,237
After-hours
Jul 23, 2026 4:40:30 PM EDT
20.88USD-0.021%(0.00)2,202,224
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
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Market Cap
52.37B
Headquarters
Hsinchu, Taiwan
Industry
Semiconductors
Next Earnings
Jul 29, 2026 (6d)
Last Dividend
Jul 2, 20240.463
Last Split
Aug 7, 20081.045for1
Related
INTCTSEMTSMIBMSMIXLK
UMC Stats
Avg. Vol. 10 Day
15,098,413
Avg. Vol. 30 Day
18,128,768
Employees
20,000
Market Cap
52,368,814,973
Shares Out.
2,509,286,774
On/Off Exchange
72%/28%
6 Month Beta
2.40
1 Year Beta
1.63
2 Year Beta
1.12
3 Year Beta
1.16
52 Week Low
6.56
52 Week High
28.96
SMA50
21.98
SMA200
12.39
1 Week
-6.37%
1 Month
-20.34%
3 Month
+73.92%
6 Month
+98.01%
1 Year
+179.01%
2 Year
+168.94%
5 Year
+121.32%
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 Stock Summary

United Microelectronic Corp. (NYSE:UMC) stock price today is $20.88, and today's volume is 9,188,085. UMC is down -1.926% today. The 30 day average volume is 18,128,768. UMC market cap is 52.37B with 2,509,286,774 shares outstanding.



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