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UMC

United Microelectronics (UMC) Total Return Calculator

$10,000 since Dec 2007, with and without reinvesting · data through Oct 2026

$10,000 invested in United Microelectronics (UMC) ten years ago, at the end of Oct 2016, was worth $141,356 at the end of Oct 2026 with every dividend reinvested: 30.3% a year, against $41,633 in the S&P 500. Since Dec 2007, $10,000 became $115,034 reinvested (13.8% a year), or $64,173 taking the dividends as cash, $13,780 of it paid out along the way.

Payouts
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UMC became

$115,034

S&P 500: $72,756

Return a year

13.8%

S&P 500: 11.1%

Payouts reinvested

$23,308

bought more shares

Worst drop

-49.2%

S&P 500: -48.2%

$10,000, Dec 2007 to Oct 2026

Payouts reinvested · S&P 500 reinvested

YearUMC total returnPaid outS&P 500
2026 (part)+116.1%$2,543+11.7%
2025+28.7%$3,184+17.7%
2024−19.0%$2,947+24.9%
2023+39.0%$3,400+26.2%
2022−40.3%$2,588−18.2%
2021+43.1%$1,797+28.7%
2020+231.9%$1,171+18.3%
2019+55.4%$537+31.2%
2018−21.9%$660−4.6%
2017+42.2%$505+21.7%
2016−2.7%$467+12.0%
2015−13.2%$467+1.2%
2014+15.2%$481+13.5%
2013+5.7%$386+32.3%
2012−2.8%$470+16.0%
2011−26.8%$711+1.9%
2010−16.8%$354+15.1%
2009+98.2%$144+26.4%
2008−37.7%$496−36.8%

"Paid out" is what your holding received that year. Month-end prices; no costs or taxes.

Key facts: UMC total return

Data as of · Source: SmarterDividends data

  • $10,000 invested in United Microelectronics (UMC) at the end of Dec 2007, with dividends reinvested, was worth $115,034 at the end of Oct 2026: 13.8% a year, against $72,756 (11.1% a year) in the S&P 500.
  • Over the 10 years to Oct 2026, UMC turned $10,000 into $141,356 with dividends reinvested, 30.3% a year.
  • Over the 5 years to Oct 2026, UMC returned 16.3% a year with dividends reinvested (S&P 500: 12.0%).
  • Taking UMC's dividends as cash instead of reinvesting them, the same $10,000 ended at $64,173, including $13,780 of cash received; reinvesting added $50,862.
  • About 35% of UMC's yearly total return since Dec 2007 came from dividends; the rest came from the share price.
  • UMC's best calendar year in that time was 2020 (231.9%) and its worst 2022 (-40.3%), with dividends reinvested.
Cite this page

SmarterDividends, "United Microelectronics (UMC) Total Return Calculator," updated Nov 5, 2026, https://smarterdividends.com/stocks/UMC/total-return

UMC total return questions

If I invested $10,000 in UMC 10 years ago, how much would I have?

About $141,356 at the end of Oct 2026, with every dividend reinvested: 30.3% a year. Taking them as cash, you'd have shares worth $87,789 or so plus the cash you received. The same $10,000 in the S&P 500 became $41,633.

What is UMC's total return since Dec 2007?

1050% in total, or 13.8% a year, through Oct 2026 with dividends reinvested. The share price alone rose 404%.

How much of UMC's return came from dividends?

About 35% of its yearly return since Dec 2007. Reinvesting them, rather than taking cash, left you $50,862 better off on a $10,000 start.

What was UMC's worst year?

2022, at -40.3% with dividends reinvested (S&P 500: -18.2%). Its deepest fall from a peak, on month-end values, was -49.2%.

How is total return calculated here?

From month-end prices: the adjusted price counts every dividend reinvested in the month it was paid; the plain price doesn't. The S&P 500 is SPY with its dividends reinvested. No trading costs or taxes.