What is the current annual gross margin of GLW?

As of today, GLW annual gross margin is 35.28%

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

GLW annual gross margin is up +12.32% year-over-year

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

GLW annual gross margin is up +7.59% over the past 3 years

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

GLW annual gross margin is currently -21.09% below its historical high of 44.71% set on December 31, 2007

How does GLW annual gross margin rank versus sector peers?

GLW annual gross margin is higher than 41.90% of companies in Technology sector

When is GLW next annual earnings release?

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

What is the current quarterly gross margin of GLW?

As of today, GLW quarterly gross margin is 35.05%

What is GLW quarterly gross margin most recent change?

GLW quarterly gross margin was down -1.60% on June 30, 2026

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

GLW quarterly gross margin is down -0.99% year-over-year

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

GLW quarterly gross margin is currently -39.35% below its historical high of 57.79% set on December 31, 1996

How does GLW quarterly gross margin rank versus sector peers?

GLW quarterly gross margin is higher than 37.35% of companies in Technology sector

When is GLW next earnings release?

The next earnings release for GLW is on October 27, 2026

GLW Gross Margin History & Chart Since 1980

Annual Gross Margin

35.28%3.87%+12.32%

December 31, 2025

Summary

Current Value: As of today, GLW annual gross margin is 35.28%, up +12.32% on December 31, 2025
Historical Performance: GLW annual gross margin is up +7.59% over the past 3 years, up +3.73% over the past 5 years
All-Time High Comparison: GLW annual gross margin is currently -21.09% below its historical high of 44.71% set on December 31, 2007
3-Year Low Comparison: GLW annual gross margin is +12.32% above its 3-year low of 31.41% reached on December 31, 2024
Sector Comparison: GLW annual gross margin is higher than 41.90% of companies in Technology sector

Gross Margin Chart

beforeafter

Performance

GLW Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Dec 31, 25	35.28%	+12.3%	+7.6%	+3.7%	-20.3%
Quarterly Gross Margin	Jun 30, 26	35.05%	-1.0%	+17.1%	-3.3%	-20.8%
Price	Aug 14, 26	$165.99	+152.4%	+412.9%	+311.8%	+1052.7%
PE Ratio	Aug 14, 26	76.13	+9.3%	+72.4%	+90.7%	+1009.8%
Annual Revenue	Dec 31, 25	$15.63B	+19.0%	+10.6%	+38.2%	+135.7%
Annual Gross Profit	Dec 31, 25	$5.51B	+33.6%	+18.9%	+43.3%	+87.7%
Annual Operating Margin	Dec 31, 25	14.91%	+29.4%	+19.9%	+31.0%	-30.9%
Annual Net Margin	Dec 31, 25	11.15%	+147.2%	+13.8%	+146.1%	-79.2%

Gross Margin Highs

GLW Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	35.28%	Dec 31, 25	at high
5Y	35.28%	Dec 31, 25	at high
All	44.71%	Dec 31, 07	-21.1%

Gross Margin Lows

GLW Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	31.41%	Dec 31, 24	+12.3%
5Y	31.41%	Dec 31, 24	+12.3%
All	17.67%	Dec 31, 02	+99.7%

Gross Margin History

Year	Value	Change
2025	35.28%	+12.3%
2024	31.41%	-2.2%
2023	32.12%	-2.0%
2022	32.79%	-7.0%
2021	35.26%	+3.7%
2020	34.01%	+5.4%
2019	32.28%	-12.6%
2018	36.92%	-1.7%
2017	37.54%	-2.4%
2016	38.45%	+1.6%
2015	37.86%	-11.8%
2014	42.92%	+5.5%
2013	40.70%	+0.3%
2012	40.58%	-7.3%
2011	43.79%	-1.1%
2010	44.29%	+20.5%
2009	36.76%	-16.2%
2008	43.88%	-1.9%
2007	44.71%	+6.9%
2006	41.82%	+2.1%
2005	40.97%	+14.7%
2004	35.73%	+36.0%
2003	26.28%	+48.7%

Year	Value	Change
2002	17.67%	-38.0%
2001	28.48%	-26.2%
2000	38.60%	+1.3%
1999	38.10%	-0.2%
1998	38.18%	-7.2%
1997	41.16%	+7.9%
1996	38.14%	+5.2%
1995	36.27%	+1.2%
1994	35.84%	+2.0%
1993	35.15%	+0.5%
1992	34.98%	+0.2%
1991	34.90%	+1.1%
1990	34.51%	+0.4%
1989	34.37%	+0.7%
1988	34.12%	+5.1%
1987	32.45%	-5.3%
1986	34.26%	-0.2%
1985	34.33%	+6.3%
1984	32.29%	-2.3%
1983	33.06%	+13.1%
1982	29.23%	+3.6%
1981	28.22%	-3.5%
1980	29.25%	-

FAQ

What is the current annual gross margin of GLW?: As of today, GLW annual gross margin is 35.28%
What is 1-year change in GLW annual gross margin?: GLW annual gross margin is up +12.32% year-over-year
What is 3-year change in GLW annual gross margin?: GLW annual gross margin is up +7.59% over the past 3 years
How far is GLW annual gross margin from its all-time high?: GLW annual gross margin is currently -21.09% below its historical high of 44.71% set on December 31, 2007
How does GLW annual gross margin rank versus sector peers?: GLW annual gross margin is higher than 41.90% of companies in Technology sector
When is GLW next annual earnings release?: As of today, the next annual earnings release for GLW has not been scheduled

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

35.05%0.57%-1.60%

June 30, 2026

Summary

Current Value: As of today, GLW quarterly gross margin is 35.05%, down -1.60% on June 30, 2026
Historical Performance: GLW quarterly gross margin is down -0.99% year-over-year, up +17.07% over the past 3 years
All-Time High Comparison: GLW quarterly gross margin is currently -39.35% below its historical high of 57.79% set on December 31, 1996
3-Year Low Comparison: GLW quarterly gross margin is +22.00% above its 3-year low of 28.73% reached on June 30, 2024
Sector Comparison: GLW quarterly gross margin is higher than 37.35% of companies in Technology sector

Performance

GLW Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Jun 30, 26	35.05%	-1.6%	-1.0%	+17.1%	-3.3%
Annual Gross Margin	Dec 31, 25	35.28%	–	+12.3%	+7.6%	+3.7%
Price	Aug 14, 26	$165.99	-20.3%	+152.4%	+412.9%	+311.8%
PE Ratio	Aug 14, 26	76.13	-23.8%	+9.3%	+72.4%	+90.7%
Quarterly Revenue	Jun 30, 26	$4.51B	+8.7%	+16.6%	+38.9%	+28.8%
Quarterly Gross Profit	Jun 30, 26	$1.58B	+7.0%	+15.5%	+62.6%	+24.5%
Quarterly Operating Margin	Jun 30, 26	17.07%	+1.2%	+8.8%	+106.7%	+6.4%
Quarterly Net Margin	Jun 30, 26	13.52%	+37.3%	+4.4%	+44.8%	+5.3%

Quarterly Gross Margin Highs

GLW Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	36.39%	Sep 30, 25	-3.7%
3Y	36.39%	Sep 30, 25	-3.7%
5Y	36.39%	Sep 30, 25	-3.7%
All	57.79%	Dec 31, 96	-39.4%

Quarterly Gross Margin Lows

GLW Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	35.05%	Jun 30, 26	at low
3Y	28.73%	Jun 30, 24	+22.0%
5Y	25.27%	Dec 31, 22	+38.7%
All	7.37%	Jun 30, 02	+375.6%

Quarterly Gross Margin History

Month	Value	Change
Jun 2026	35.05%	-1.6%
Mar 2026	35.62%	+1.3%
Dec 2025	35.16%	-3.4%
Sep 2025	36.39%	+2.8%
Jun 2025	35.40%	+3.7%
Mar 2025	34.15%	+4.8%
Dec 2024	32.59%	-1.4%
Sep 2024	33.06%	+15.1%
Jun 2024	28.73%	-11.2%
Mar 2024	32.37%	+1.8%
Dec 2023	31.80%	+3.6%
Sep 2023	30.70%	+2.5%
Jun 2023	29.94%	-1.4%
Mar 2023	30.37%	+20.2%
Dec 2022	25.27%	-13.1%
Sep 2022	29.08%	-12.5%
Jun 2022	33.23%	-1.2%
Mar 2022	33.65%	+1.0%
Dec 2021	33.32%	-5.6%
Sep 2021	35.30%	-2.6%
Jun 2021	36.26%	+6.9%
Mar 2021	33.91%	-8.0%
Dec 2020	36.86%	+1.5%
Sep 2020	36.33%	+12.4%
Jun 2020	32.33%	+46.1%
Mar 2020	22.13%	-24.5%
Dec 2019	29.32%	-13.0%
Sep 2019	33.71%	-4.4%
Jun 2019	35.27%	-7.3%
Mar 2019	38.05%	-1.6%
Dec 2018	38.65%	-3.2%
Sep 2018	39.93%	+4.7%
Jun 2018	38.15%	+2.3%
Mar 2018	37.28%	-2.9%
Dec 2017	38.41%	-3.6%
Sep 2017	39.85%	+2.6%
Jun 2017	38.85%	-2.5%
Mar 2017	39.83%	+0.7%
Dec 2016	39.57%	-4.3%
Sep 2016	41.34%	+3.2%
Jun 2016	40.04%	+8.7%
Mar 2016	36.85%	-2.2%
Dec 2015	37.66%	-2.4%
Sep 2015	38.58%	-5.0%
Jun 2015	40.63%	+0.9%
Mar 2015	40.27%	-1.4%
Dec 2014	40.84%	-3.7%
Sep 2014	42.42%	+2.8%
Jun 2014	41.26%	+1.9%
Mar 2014	40.50%	+2.1%
Dec 2013	39.67%	-7.2%
Sep 2013	42.77%	-1.9%
Jun 2013	43.59%	+4.7%
Mar 2013	41.62%	+0.3%
Dec 2012	41.49%	-3.0%
Sep 2012	42.79%	+3.2%
Jun 2012	41.46%	-1.5%
Mar 2012	42.08%	-3.9%
Dec 2011	43.77%	-7.0%
Sep 2011	47.08%	+6.4%
Jun 2011	44.24%	-2.1%
Mar 2011	45.19%	+2.2%
Dec 2010	44.22%	-1.6%
Sep 2010	44.94%	-6.4%
Jun 2010	48.01%	+2.6%
Mar 2010	46.81%	+11.2%
Dec 2009	42.10%	+4.6%
Sep 2009	40.23%	-2.1%
Jun 2009	41.08%	+52.7%
Mar 2009	26.90%	-3.8%
Dec 2008	27.95%	-40.7%
Sep 2008	47.14%	-6.1%
Jun 2008	50.18%	-3.6%

Month	Value	Change
Mar 2008	52.07%	+9.3%
Dec 2007	47.66%	+0.0%
Sep 2007	47.65%	+2.8%
Jun 2007	46.33%	+3.0%
Mar 2007	44.99%	+2.6%
Dec 2006	43.83%	-0.4%
Sep 2006	43.99%	+3.1%
Jun 2006	42.66%	-5.6%
Mar 2006	45.17%	+3.2%
Dec 2005	43.75%	-22.7%
Sep 2005	56.57%	+34.5%
Jun 2005	42.07%	+4.2%
Mar 2005	40.38%	+17.5%
Dec 2004	34.37%	-12.5%
Sep 2004	39.26%	+13.1%
Jun 2004	34.71%	+1.0%
Mar 2004	34.36%	+20.9%
Dec 2003	28.41%	+1.5%
Sep 2003	27.98%	+22.3%
Jun 2003	22.87%	-10.7%
Mar 2003	25.60%	-12.0%
Dec 2002	29.08%	+60.1%
Sep 2002	18.16%	+146.4%
Jun 2002	7.37%	-67.6%
Mar 2002	22.72%	-23.7%
Dec 2001	29.77%	-3.8%
Sep 2001	30.95%	+53.8%
Jun 2001	20.13%	-40.8%
Mar 2001	33.99%	+4.3%
Dec 2000	32.60%	-22.2%
Sep 2000	41.92%	-0.2%
Jun 2000	42.00%	+3.1%
Mar 2000	40.74%	+9.2%
Dec 1999	37.31%	-2.4%
Sep 1999	38.21%	-0.9%
Jun 1999	38.54%	-0.0%
Mar 1999	38.55%	-2.9%
Dec 1998	39.72%	+1.0%
Sep 1998	39.32%	+3.4%
Jun 1998	38.03%	+7.9%
Mar 1998	35.24%	-26.3%
Dec 1997	47.83%	-6.3%
Sep 1997	51.06%	-2.0%
Jun 1997	52.10%	+1.7%
Mar 1997	51.22%	-11.4%
Dec 1996	57.79%	+22.5%
Sep 1996	47.17%	+14.1%
Jun 1996	41.34%	-5.0%
Mar 1996	43.51%	+17.9%
Dec 1995	36.89%	-14.8%
Sep 1995	43.28%	-2.2%
Jun 1995	44.25%	-0.1%
Mar 1995	44.30%	+5.5%
Dec 1994	42.01%	-2.5%
Sep 1994	43.10%	-2.7%
Jun 1994	44.28%	+4.1%
Mar 1994	42.54%	+3.5%
Dec 1993	41.12%	+0.1%
Sep 1993	41.09%	-7.5%
Jun 1993	44.42%	+4.3%
Mar 1993	42.58%	-2.9%
Dec 1992	43.87%	+6.7%
Sep 1992	41.11%	+1.1%
Jun 1992	40.66%	-0.9%
Mar 1992	41.04%	+1.2%
Dec 1991	40.55%	-5.3%
Sep 1991	42.81%	+0.5%
Jun 1991	42.59%	+1.5%
Mar 1991	41.94%	+0.1%
Dec 1990	41.90%	+1.8%
Sep 1990	41.14%	-2.9%
Jun 1990	42.36%	+2.0%
Mar 1990	41.53%	-

FAQ

What is the current quarterly gross margin of GLW?: As of today, GLW quarterly gross margin is 35.05%
What is GLW quarterly gross margin most recent change?: GLW quarterly gross margin was down -1.60% on June 30, 2026
What is 1-year change in GLW quarterly gross margin?: GLW quarterly gross margin is down -0.99% year-over-year
How far is GLW quarterly gross margin from its all-time high?: GLW quarterly gross margin is currently -39.35% below its historical high of 57.79% set on December 31, 1996
How does GLW quarterly gross margin rank versus sector peers?: GLW quarterly gross margin is higher than 37.35% of companies in Technology sector
When is GLW next earnings release?: The next earnings release for GLW is on October 27, 2026

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Data Sources & References

GLW Official Website www.corning.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/24741/000002474126000034/0000024741-26-000034-index.htm
GLW Profile on Yahoo Finance finance.yahoo.com/quote/GLW
GLW Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/glw