What is the current annual gross margin of AMKR?

As of today, AMKR annual gross margin is 13.99%

What is 1-year change in AMKR annual gross margin?

AMKR annual gross margin is down -5.28% year-over-year

What is 3-year change in AMKR annual gross margin?

AMKR annual gross margin is down -25.39% over the past 3 years

How far is AMKR annual gross margin from its all-time high?

AMKR annual gross margin is currently -43.86% below its historical high of 24.92% set on December 31, 2007

How does AMKR annual gross margin rank versus sector peers?

AMKR annual gross margin is higher than 20.17% of companies in Technology sector

When is AMKR next annual earnings release?

The next annual earnings release for AMKR is on February 8, 2027

What is the current quarterly gross margin of AMKR?

As of today, AMKR quarterly gross margin is 18.26%

What is AMKR quarterly gross margin most recent change?

AMKR quarterly gross margin was up +8.76% on September 30, 2026

What is 1-year change in AMKR quarterly gross margin?

AMKR quarterly gross margin is up +27.51% year-over-year

How far is AMKR quarterly gross margin from its all-time high?

AMKR quarterly gross margin is currently -34.79% below its historical high of 28.00% set on December 31, 2009

How does AMKR quarterly gross margin rank versus sector peers?

AMKR quarterly gross margin is higher than 18.72% of companies in Technology sector

When is AMKR next earnings release?

The next earnings release for AMKR is on February 8, 2027

AMKR Gross Margin History & Chart Since 1996

Annual Gross Margin

13.99%0.78%-5.28%

December 31, 2025

Summary

Current Value: As of today, AMKR annual gross margin is 13.99%, down -5.28% on December 31, 2025
Historical Performance: AMKR annual gross margin is down -25.39% over the past 3 years, down -21.58% over the past 5 years
All-Time High Comparison: AMKR annual gross margin is currently -43.86% below its historical high of 24.92% set on December 31, 2007
3-Year Low Comparison: AMKR annual gross margin is at its 3-year low
Sector Comparison: AMKR annual gross margin is higher than 20.17% of companies in Technology sector

Gross Margin Chart

beforeafter

Performance

AMKR Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Dec 31, 25	13.99%	-5.3%	-25.4%	-21.6%	-38.5%
Quarterly Gross Margin	Sep 30, 26	18.26%	+27.5%	+17.6%	-5.5%	+5.5%
Price	Nov 6, 26	$32.82	-6.6%	+39.4%	+39.5%	+547.3%
PE Ratio	Nov 6, 26	13.22	-53.3%	-7.5%	+26.9%	+25.2%
Annual Revenue	Dec 31, 25	$6.71B	+6.2%	-5.4%	+32.8%	+128.2%
Annual Gross Profit	Dec 31, 25	$938.60M	+0.6%	-29.4%	+4.2%	+40.3%
Annual Operating Margin	Dec 31, 25	6.97%	+0.4%	-44.9%	-25.9%	-46.1%
Annual Net Margin	Dec 31, 25	5.61%	-0.4%	-48.1%	-16.8%	-28.8%

Gross Margin Highs

AMKR Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	18.75%	N/A	-25.4%
5Y	19.97%	Dec 31, 21	-29.9%
All	24.92%	Dec 31, 07	-43.9%

Gross Margin Lows

AMKR Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	13.99%	Dec 31, 25	at low
5Y	13.99%	Dec 31, 25	at low
All	-1.00%	Dec 31, 01	+1499.0%

Gross Margin History

Year	Value	Change
2025	13.99%	-5.3%
2024	14.77%	+1.9%
2023	14.50%	-22.7%
2022	18.75%	-6.1%
2021	19.97%	+11.9%
2020	17.84%	+11.3%
2019	16.03%	-2.6%
2018	16.46%	-9.0%
2017	18.09%	+5.4%
2016	17.17%	+3.4%
2015	16.61%	-17.8%
2014	20.20%	+11.7%
2013	18.09%	+24.2%
2012	14.56%	-14.9%
2011	17.11%	-24.8%

Year	Value	Change
2010	22.75%	-0.1%
2009	22.78%	+3.6%
2008	21.99%	-11.8%
2007	24.92%	+0.0%
2006	24.91%	+44.7%
2005	17.22%	-9.3%
2004	18.98%	-7.3%
2003	20.47%	+202.8%
2002	6.76%	+776.0%
2001	-1.00%	-104.4%
2000	22.71%	+30.4%
1999	17.42%	+4.8%
1998	16.63%	+13.6%
1997	14.64%	+15.1%
1996	12.72%	-

FAQ

What is the current annual gross margin of AMKR?: As of today, AMKR annual gross margin is 13.99%
What is 1-year change in AMKR annual gross margin?: AMKR annual gross margin is down -5.28% year-over-year
What is 3-year change in AMKR annual gross margin?: AMKR annual gross margin is down -25.39% over the past 3 years
How far is AMKR annual gross margin from its all-time high?: AMKR annual gross margin is currently -43.86% below its historical high of 24.92% set on December 31, 2007
How does AMKR annual gross margin rank versus sector peers?: AMKR annual gross margin is higher than 20.17% of companies in Technology sector
When is AMKR next annual earnings release?: The next annual earnings release for AMKR is on February 8, 2027

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

18.26%1.47%+8.76%

September 30, 2026

Summary

Current Value: As of today, AMKR quarterly gross margin is 18.26%, up +8.76% on September 30, 2026
Historical Performance: AMKR quarterly gross margin is up +27.51% year-over-year, up +17.65% over the past 3 years
All-Time High Comparison: AMKR quarterly gross margin is currently -34.79% below its historical high of 28.00% set on December 31, 2009
3-Year Low Comparison: AMKR quarterly gross margin is +53.19% above its 3-year low of 11.92% reached on March 31, 2025
Sector Comparison: AMKR quarterly gross margin is higher than 18.72% of companies in Technology sector

Performance

AMKR Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Sep 30, 26	18.26%	+8.8%	+27.5%	+17.6%	-5.5%
Annual Gross Margin	Dec 31, 25	13.99%	–	-5.3%	-25.4%	-21.6%
Price	Nov 6, 26	$32.82	-39.4%	-6.6%	+39.4%	+39.5%
PE Ratio	Nov 6, 26	13.22	-45.6%	-53.3%	-7.5%	+26.9%
Quarterly Revenue	Sep 30, 26	$1.99B	+4.9%	+0.2%	+9.3%	+18.4%
Quarterly Gross Profit	Sep 30, 26	$363.53M	+14.1%	+27.8%	+28.6%	+11.9%
Quarterly Operating Margin	Sep 30, 26	11.29%	-3.0%	+41.1%	+23.5%	-12.6%
Quarterly Net Margin	Sep 30, 26	9.59%	+4.1%	+50.3%	+30.8%	-11.4%

Quarterly Gross Margin Highs

AMKR Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	18.26%	Sep 30, 26	at high
3Y	18.26%	Sep 30, 26	at high
5Y	21.01%	Dec 31, 21	-13.1%
All	28.00%	Dec 31, 09	-34.8%

Quarterly Gross Margin Lows

AMKR Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	14.19%	Mar 31, 26	+28.7%
3Y	11.92%	Mar 31, 25	+53.2%
5Y	11.92%	Mar 31, 25	+53.2%
All	-9.82%	Sep 30, 01	+285.9%

Quarterly Gross Margin History

Month	Value	Change
Sep 2026	18.26%	+8.8%
Jun 2026	16.79%	+18.3%
Mar 2026	14.19%	-14.8%
Dec 2025	16.66%	+16.3%
Sep 2025	14.32%	+18.9%
Jun 2025	12.04%	+1.0%
Mar 2025	11.92%	-21.3%
Dec 2024	15.14%	+3.4%
Sep 2024	14.64%	+0.8%
Jun 2024	14.53%	-1.6%
Mar 2024	14.77%	-7.3%
Dec 2023	15.93%	+2.6%
Sep 2023	15.52%	+21.1%
Jun 2023	12.82%	-3.0%
Mar 2023	13.21%	-24.7%
Dec 2022	17.54%	-13.3%
Sep 2022	20.22%	+22.1%
Jun 2022	16.56%	-18.7%
Mar 2022	20.37%	-3.0%
Dec 2021	21.01%	+8.7%
Sep 2021	19.32%	-0.4%
Jun 2021	19.40%	-3.1%
Mar 2021	20.02%	-1.4%
Dec 2020	20.31%	+14.0%
Sep 2020	17.81%	+8.6%
Jun 2020	16.40%	+0.1%
Mar 2020	16.39%	-13.4%
Dec 2019	18.92%	+12.6%
Sep 2019	16.81%	+21.9%
Jun 2019	13.79%	+2.2%
Mar 2019	13.49%	-20.0%
Dec 2018	16.87%	-3.8%
Sep 2018	17.54%	+10.1%
Jun 2018	15.93%	+3.5%
Mar 2018	15.39%	-21.1%
Dec 2017	19.50%	+0.1%
Sep 2017	19.49%	+11.3%
Jun 2017	17.51%	+15.6%
Mar 2017	15.15%	-31.9%
Dec 2016	22.24%	+13.0%
Sep 2016	19.69%	+37.2%
Jun 2016	14.35%	+1.4%
Mar 2016	14.15%	-7.5%
Dec 2015	15.30%	-11.3%
Sep 2015	17.24%	+10.4%
Jun 2015	15.62%	-14.0%
Mar 2015	18.17%	-20.7%
Dec 2014	22.90%	+28.1%
Sep 2014	17.87%	-4.1%
Jun 2014	18.64%	+6.4%
Mar 2014	17.52%	-8.6%
Dec 2013	19.16%	+8.9%
Sep 2013	17.60%	-1.6%
Jun 2013	17.89%	+10.0%
Mar 2013	16.26%	+9.6%
Dec 2012	14.83%	-5.6%
Sep 2012	15.71%	+32.6%
Jun 2012	11.85%	-29.8%

Month	Value	Change
Mar 2012	16.87%	-4.1%
Dec 2011	17.60%	+1.7%
Sep 2011	17.30%	-8.4%
Jun 2011	18.89%	-2.1%
Mar 2011	19.29%	-10.1%
Dec 2010	21.46%	-9.7%
Sep 2010	23.76%	-1.5%
Jun 2010	24.12%	+8.2%
Mar 2010	22.29%	-20.4%
Dec 2009	28.00%	+11.6%
Sep 2009	25.09%	+17.5%
Jun 2009	21.36%	+50.1%
Mar 2009	14.23%	-20.0%
Dec 2008	17.79%	-6.6%
Sep 2008	19.05%	-18.2%
Jun 2008	23.30%	-7.5%
Mar 2008	25.18%	-7.4%
Dec 2007	27.19%	+10.1%
Sep 2007	24.70%	-0.6%
Jun 2007	24.84%	+12.1%
Mar 2007	22.16%	-12.6%
Dec 2006	25.35%	+1.8%
Sep 2006	24.90%	+1.0%
Jun 2006	24.66%	+2.6%
Mar 2006	24.03%	-0.7%
Dec 2005	24.20%	+37.5%
Sep 2005	17.60%	+29.6%
Jun 2005	13.58%	+36.9%
Mar 2005	9.92%	-37.1%
Dec 2004	15.77%	-9.9%
Sep 2004	17.50%	-9.0%
Jun 2004	19.24%	-19.1%
Mar 2004	23.79%	-2.7%
Dec 2003	24.44%	+4.2%
Sep 2003	23.45%	+22.7%
Jun 2003	19.11%	+47.2%
Mar 2003	12.98%	-14.3%
Dec 2002	15.14%	+36.4%
Sep 2002	11.10%	+290.8%
Jun 2002	2.84%	+167.5%
Mar 2002	-4.21%	+49.9%
Dec 2001	-8.41%	+14.4%
Sep 2001	-9.82%	-173.5%
Jun 2001	-3.59%	-128.8%
Mar 2001	12.46%	-26.8%
Dec 2000	17.02%	-38.4%
Sep 2000	27.61%	+8.2%
Jun 2000	25.52%	+30.1%
Mar 2000	19.62%	-0.3%
Dec 1999	19.68%	+1.3%
Sep 1999	19.43%	+226.0%
Jun 1999	5.96%	-60.0%
Mar 1999	14.90%	-4.9%
Dec 1998	15.67%	-6.7%
Sep 1998	16.80%	-4.4%
Jun 1998	17.58%	+6.0%
Mar 1998	16.59%	-

FAQ

What is the current quarterly gross margin of AMKR?: As of today, AMKR quarterly gross margin is 18.26%
What is AMKR quarterly gross margin most recent change?: AMKR quarterly gross margin was up +8.76% on September 30, 2026
What is 1-year change in AMKR quarterly gross margin?: AMKR quarterly gross margin is up +27.51% year-over-year
How far is AMKR quarterly gross margin from its all-time high?: AMKR quarterly gross margin is currently -34.79% below its historical high of 28.00% set on December 31, 2009
How does AMKR quarterly gross margin rank versus sector peers?: AMKR quarterly gross margin is higher than 18.72% of companies in Technology sector
When is AMKR next earnings release?: The next earnings release for AMKR is on February 8, 2027

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Data Sources & References

AMKR Official Website amkor.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1047127/000104712726000007/0001047127-26-000007-index.htm
AMKR Profile on Yahoo Finance finance.yahoo.com/quote/AMKR
AMKR Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/amkr