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UMC
United Microelectronics Corporation (NEW)Stock · Technology
$19.38+$0.07 (+0.36%)as of market close, Aug 13, 2026
☾ After hours:$19.38+0.00%3:59 PM ET
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UMC returns by year

United Microelectronics Corporation (NEW) has returned +1.7% annually (CAGR) since 2001. Calendar-year, monthly and weekly total returns for United Microelectronics Corporation (NEW) (UMC) below, through August 13, 2026 — the most recent year is year-to-date.

Annualized (CAGR)
+1.7%
2001–2026
Average year
+10.2%
25 full years
Best year
+214.6%
2020
Worst year
-65.0%
2002
Positive years
12/25
48% up

United Microelectronics Corporation (NEW) returns by year (20012026)#

Calendar-year returns with each year's path and its dividend contribution (dividend return = total minus price return).

United Microelectronics Corporation (NEW) annual returns by year
YearTotal return
2026YTD
+146.6%
2025
+21.1%
2024
-23.3%
2023
+29.6%
2022
-44.2%
2021
+38.8%
2020
+214.6%
2019
+49.7%
2018
-25.1%
2017
+36.6%
2016
-6.9%
2015
-17.2%

Total return by period

-200%-100%+0%+100%+200%
'01'03'05'07'09'11'13'15'17'19'21'23'25

Methodology#

Returns are total returns (dividends reinvested), computed from UMC's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. See also the periodic table of returns. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ#

What is United Microelectronics Corporation (NEW)'s average annual return?
Since 2001, United Microelectronics Corporation (NEW) (UMC) has returned about 1.7% a year (the compound annual growth rate) and an average calendar-year return of 10.2%.
What were United Microelectronics Corporation (NEW)'s best and worst years?
Over 2001–2026, the best year was 2020 (+214.6%) and the worst was 2002 (-65.0%).
How often is United Microelectronics Corporation (NEW) up in a year?
12 of the 25 full years since 2001 were positive — about 48% of the time.