What is the current annual net margin of UMC?

As of today, UMC annual net margin is 17.48%

What is 1-year change in UMC annual net margin?

UMC annual net margin is down -13.81% year-over-year

What is 3-year change in UMC annual net margin?

UMC annual net margin is down -44.65% over the past 3 years

How far is UMC annual net margin from its all-time high?

UMC annual net margin is currently -68.02% below its historical high of 54.66% set on December 1, 1995

How does UMC annual net margin rank versus sector peers?

UMC annual net margin is higher than 86.70% of companies in Technology sector

When is UMC next annual earnings release?

As of today, the next annual earnings release for UMC has not been scheduled

What is the current quarterly net margin of UMC?

As of today, UMC quarterly net margin is 61.43%

What is UMC quarterly net margin most recent change?

UMC quarterly net margin was up +132.69% on June 30, 2026

What is 1-year change in UMC quarterly net margin?

UMC quarterly net margin is up +307.90% year-over-year

How far is UMC quarterly net margin from its all-time high?

UMC quarterly net margin is currently at its all-time high

How does UMC quarterly net margin rank versus sector peers?

UMC quarterly net margin is higher than 99.00% of companies in Technology sector

When is UMC next earnings release?

The next earnings release for UMC is on October 28, 2026

UMC Net Margin History & Chart Since 1991

Annual Net Margin

17.48%2.80%-13.81%

December 31, 2025

Summary

Current Value: As of today, UMC annual net margin is 17.48%, down -13.81% on December 31, 2025
Historical Performance: UMC annual net margin is down -44.65% over the past 3 years, up +13.73% over the past 5 years
All-Time High Comparison: UMC annual net margin is currently -68.02% below its historical high of 54.66% set on December 1, 1995
3-Year Low Comparison: UMC annual net margin is at its 3-year low
Sector Comparison: UMC annual net margin is higher than 86.70% of companies in Technology sector

Net Margin Chart

beforeafter

Performance

UMC Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Net Margin	Dec 31, 25	17.48%	-13.8%	-44.6%	+13.7%	-7.1%
Quarterly Net Margin	Jun 30, 26	61.43%	+307.9%	+117.5%	+163.5%	+572.1%
Price	Jul 31, 26	$19.03	+178.2%	+153.4%	+80.7%	+727.4%
PE Ratio	Jul 31, 26	17.90	+28.1%	+139.0%	+3.4%	+128.3%
Annual Revenue	Dec 31, 25	$7.62B	+5.4%	-18.4%	+26.9%	+89.2%
Annual Net Income	Dec 31, 25	$1.33B	-9.1%	-54.9%	+44.4%	+75.9%
Annual Gross Margin	Dec 31, 25	29.01%	-6.9%	-34.1%	+45.6%	+6.3%
Annual Operating Margin	Dec 31, 25	17.66%	-18.4%	-50.3%	+98.2%	+1.7%

Net Margin Highs

UMC Annual Net Margin Highs Comparison
Period	High	Date	Current
3Y	31.58%	N/A	-44.6%
5Y	31.58%	Dec 31, 22	-44.6%
All	54.66%	Dec 1, 95	-68.0%

Net Margin Lows

UMC Annual Net Margin Lows Comparison
Period	Low	Date	Current
3Y	17.48%	Dec 31, 25	at low
5Y	15.37%	N/A	+13.7%
All	-23.74%	Dec 31, 08	+173.6%

Net Margin History

Year	Value	Change
2025	17.48%	-13.8%
2024	20.28%	-26.5%
2023	27.61%	-12.6%
2022	31.58%	+22.1%
2021	25.87%	+68.3%
2020	15.37%	+271.3%
2019	4.14%	+136.6%
2018	1.75%	-60.6%
2017	4.44%	+70.1%
2016	2.61%	-70.5%
2015	8.86%	+8.0%
2014	8.20%	-16.2%
2013	9.78%	+167.2%
2012	3.66%	-49.6%
2011	7.26%	-61.4%
2010	18.81%	+1,579.5%
2009	1.12%	+104.7%
2008	-23.74%	-259.5%

Year	Value	Change
2007	14.88%	-50.0%
2006	29.75%	+438.9%
2005	5.52%	-77.3%
2004	24.28%	+69.4%
2003	14.33%	+60.3%
2002	8.94%	+277.0%
2001	-5.05%	-111.1%
2000	45.34%	+25.9%
1999	36.02%	+50.6%
1998	23.91%	-38.4%
1997	38.82%	+14.8%
1996	33.83%	-38.1%
1995	54.66%	+30.0%
1994	42.04%	+74.8%
1993	24.05%	+26.7%
1992	18.98%	+79.9%
1991	10.55%	-

FAQ

What is the current annual net margin of UMC?: As of today, UMC annual net margin is 17.48%
What is 1-year change in UMC annual net margin?: UMC annual net margin is down -13.81% year-over-year
What is 3-year change in UMC annual net margin?: UMC annual net margin is down -44.65% over the past 3 years
How far is UMC annual net margin from its all-time high?: UMC annual net margin is currently -68.02% below its historical high of 54.66% set on December 1, 1995
How does UMC annual net margin rank versus sector peers?: UMC annual net margin is higher than 86.70% of companies in Technology sector
When is UMC next annual earnings release?: As of today, the next annual earnings release for UMC has not been scheduled

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Quarterly Net Margin

61.43%35.03%+132.69%

June 30, 2026

Summary

Current Value: As of today, UMC quarterly net margin is 61.43%, up +132.69% on June 30, 2026
Historical Performance: UMC quarterly net margin is up +307.90% year-over-year, up +117.53% over the past 3 years
All-Time High Comparison: UMC quarterly net margin is currently at its all-time high
3-Year Low Comparison: UMC quarterly net margin is +359.12% above its 3-year low of 13.38% reached on March 31, 2025
Sector Comparison: UMC quarterly net margin is higher than 99.00% of companies in Technology sector

Performance

UMC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Net Margin	Jun 30, 26	61.43%	+132.7%	+307.9%	+117.5%	+163.5%
Annual Net Margin	Dec 31, 25	17.48%	–	-13.8%	-44.6%	+13.7%
Price	Jul 31, 26	$19.03	+45.7%	+178.2%	+153.4%	+80.7%
PE Ratio	Jul 31, 26	17.90	-11.6%	+28.1%	+139.0%	+3.4%
Quarterly Revenue	Jun 30, 26	$2.17B	+12.7%	+14.3%	+18.6%	+19.5%
Quarterly Net Income	Jun 30, 26	$1.34B	+162.2%	+366.3%	+158.1%	+214.8%
Quarterly Gross Margin	Jun 30, 26	30.64%	+12.9%	+13.9%	-11.9%	+4.4%
Quarterly Operating Margin	Jun 30, 26	20.98%	+19.5%	+18.4%	-18.8%	+10.0%

Quarterly Net Margin Highs

UMC Quarterly Net Margin Highs Comparison
Period	High	Date	Current
1Y	61.43%	Jun 30, 26	at high
3Y	61.43%	Jun 30, 26	at high
5Y	61.43%	Jun 30, 26	at high
All	61.43%	Jun 30, 26	at high

Quarterly Net Margin Lows

UMC Quarterly Net Margin Lows Comparison
Period	Low	Date	Current
1Y	15.06%	N/A	+307.9%
3Y	13.38%	Mar 31, 25	+359.1%
5Y	13.38%	Mar 31, 25	+359.1%
All	-118.96%	Dec 31, 08	+151.6%

Quarterly Net Margin History

Month	Value	Change
Jun 2026	61.43%	+132.7%
Mar 2026	26.40%	+63.2%
Dec 2025	16.18%	-36.0%
Sep 2025	25.27%	+67.8%
Jun 2025	15.06%	+12.6%
Mar 2025	13.38%	-4.5%
Dec 2024	14.01%	-41.3%
Sep 2024	23.88%	-1.5%
Jun 2024	24.25%	+27.0%
Mar 2024	19.09%	-20.5%
Dec 2023	24.01%	-14.2%
Sep 2023	27.98%	-0.9%
Jun 2023	28.24%	-6.6%
Mar 2023	30.22%	+7.2%
Dec 2022	28.19%	-22.3%
Sep 2022	36.27%	+21.6%
Jun 2022	29.83%	-5.7%
Mar 2022	31.64%	+16.8%
Dec 2021	27.08%	-12.8%
Sep 2021	31.04%	+33.2%
Jun 2021	23.31%	+11.0%
Mar 2021	21.00%	-12.6%
Dec 2020	24.04%	+19.7%
Sep 2020	20.08%	+47.3%
Jun 2020	13.63%	+368.4%
Mar 2020	2.91%	-61.4%
Dec 2019	7.54%	+46.7%
Sep 2019	5.14%	+96.2%
Jun 2019	2.62%	+835.7%
Mar 2019	0.28%	+103.3%
Dec 2018	-8.45%	-1,790.0%
Sep 2018	0.50%	-92.0%
Jun 2018	6.22%	-23.0%
Mar 2018	8.08%	+147.9%
Dec 2017	3.26%	-50.2%
Sep 2017	6.54%	+66.0%
Jun 2017	3.94%	-1.5%
Mar 2017	4.00%	+241.9%
Dec 2016	1.17%	-74.6%
Sep 2016	4.60%	+7.7%
Jun 2016	4.27%	+1,756.5%
Mar 2016	0.23%	-97.5%
Dec 2015	9.07%	+145.1%
Sep 2015	3.70%	-69.1%
Jun 2015	11.96%	+15.1%
Mar 2015	10.39%	-13.3%
Dec 2014	11.99%	+63.8%
Sep 2014	7.32%	-21.0%
Jun 2014	9.27%	+164.9%
Mar 2014	3.50%	+83.2%
Dec 2013	1.91%	-81.0%
Sep 2013	10.07%	+84.8%

Month	Value	Change
Jun 2013	5.45%	-76.4%
Mar 2013	23.09%	+1,537.6%
Dec 2012	1.41%	+1.4%
Sep 2012	1.39%	-82.0%
Jun 2012	7.71%	+89.9%
Mar 2012	4.06%	+480.0%
Dec 2011	0.70%	-80.1%
Sep 2011	3.52%	-61.5%
Jun 2011	9.14%	-35.5%
Mar 2011	14.16%	-24.2%
Dec 2010	18.67%	-26.9%
Sep 2010	25.53%	+50.6%
Jun 2010	16.95%	+33.7%
Mar 2010	12.68%	-0.9%
Dec 2009	12.80%	+102.2%
Sep 2009	6.33%	-64.1%
Jun 2009	17.62%	+123.1%
Mar 2009	-76.13%	+36.0%
Dec 2008	-118.96%	-1,831.2%
Sep 2008	-6.16%	-173.4%
Jun 2008	8.39%	+2,107.9%
Mar 2008	0.38%	-97.8%
Sep 2007	17.10%	+37.9%
Jun 2007	12.40%	0.0%
Mar 2007	12.40%	-52.6%
Dec 2006	26.15%	0.0%
Sep 2006	26.15%	-23.0%
Jun 2006	33.96%	+2.5%
Mar 2006	33.14%	+198.3%
Sep 2005	11.11%	+389.4%
Jun 2005	2.27%	0.0%
Mar 2005	2.27%	-90.8%
Dec 2004	24.65%	0.0%
Sep 2004	24.65%	0.0%
Jun 2004	24.65%	0.0%
Mar 2004	24.65%	+16.3%
Dec 2003	21.20%	0.0%
Sep 2003	21.20%	+202.9%
Jun 2003	7.00%	0.0%
Mar 2003	7.00%	+25.0%
Dec 2002	5.60%	-0.9%
Sep 2002	5.65%	-58.1%
Jun 2002	13.49%	0.0%
Mar 2002	13.49%	+398.5%
Dec 2001	-4.52%	0.0%
Sep 2001	-4.52%	0.0%
Jun 2001	-4.52%	0.0%
Mar 2001	-4.52%	-111.3%
Dec 2000	39.96%	-27.2%
Sep 2000	54.90%	+34.8%
Jun 2000	40.73%	0.0%
Mar 2000	40.73%	-

FAQ

What is the current quarterly net margin of UMC?: As of today, UMC quarterly net margin is 61.43%
What is UMC quarterly net margin most recent change?: UMC quarterly net margin was up +132.69% on June 30, 2026
What is 1-year change in UMC quarterly net margin?: UMC quarterly net margin is up +307.90% year-over-year
How far is UMC quarterly net margin from its all-time high?: UMC quarterly net margin is currently at its all-time high
How does UMC quarterly net margin rank versus sector peers?: UMC quarterly net margin is higher than 99.00% of companies in Technology sector
When is UMC next earnings release?: The next earnings release for UMC is on October 28, 2026

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Data Sources & References

UMC Official Website www.umc.com
UMC Profile on Yahoo Finance finance.yahoo.com/quote/UMC
UMC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/umc