What is the current annual gross margin of CLH?

As of today, CLH annual gross margin is 23.64%

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

CLH annual gross margin is down -1.25% year-over-year

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

CLH annual gross margin is down -3.23% over the past 3 years

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

CLH annual gross margin is currently -30.22% below its historical high of 33.88% set on December 31, 1992

How does CLH annual gross margin rank versus sector peers?

CLH annual gross margin is higher than 49.00% of companies in Industrials sector

When is CLH next annual earnings release?

The next annual earnings release for CLH is on February 24, 2027

What is the current quarterly gross margin of CLH?

As of today, CLH quarterly gross margin is 28.63%

What is CLH quarterly gross margin most recent change?

CLH quarterly gross margin was up +2.73% on September 30, 2026

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

CLH quarterly gross margin is up +15.91% year-over-year

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

CLH quarterly gross margin is currently -18.53% below its historical high of 35.14% set on June 30, 1993

How does CLH quarterly gross margin rank versus sector peers?

CLH quarterly gross margin is higher than 54.52% of companies in Industrials sector

When is CLH next earnings release?

The next earnings release for CLH is on February 24, 2027

CLH Gross Margin History & Chart Since 1986

Annual Gross Margin

23.64%0.30%-1.25%

December 31, 2025

Summary

Current Value: As of today, CLH annual gross margin is 23.64%, down -1.25% on December 31, 2025
Historical Performance: CLH annual gross margin is down -3.23% over the past 3 years, up +10.42% over the past 5 years
All-Time High Comparison: CLH annual gross margin is currently -30.22% below its historical high of 33.88% set on December 31, 1992
3-Year Low Comparison: CLH annual gross margin is at its 3-year low
Sector Comparison: CLH annual gross margin is higher than 49.00% of companies in Industrials sector

Gross Margin Chart

beforeafter

Performance

CLH Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Dec 31, 25	23.64%	-1.3%	-3.2%	+10.4%	-2.0%
Quarterly Gross Margin	Sep 30, 26	28.63%	+15.9%	+20.1%	+14.9%	+20.1%
Price	Nov 13, 26	$293.81	+43.8%	+82.1%	+176.9%	+413.3%
PE Ratio	Nov 13, 26	29.48	+4.0%	+21.6%	-2.1%	+8.9%
Annual Revenue	Dec 31, 25	$6.03B	+2.4%	+16.7%	+91.8%	+248.3%
Annual Gross Profit	Dec 31, 25	$1.43B	+1.1%	+13.0%	+111.8%	+241.3%
Annual Operating Margin	Dec 31, 25	11.17%	-1.9%	-9.1%	+68.0%	-8.8%
Annual Net Margin	Dec 31, 25	6.48%	-5.1%	-18.7%	+51.0%	-12.2%

Gross Margin Highs

CLH Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	24.43%	N/A	-3.2%
5Y	24.43%	Dec 31, 22	-3.2%
All	33.88%	Dec 31, 92	-30.2%

Gross Margin Lows

CLH Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	23.64%	Dec 31, 25	at low
5Y	21.41%	N/A	+10.4%
All	17.87%	Dec 31, 96	+32.3%

Gross Margin History

Year	Value	Change
2025	23.64%	-1.3%
2024	23.94%	+0.9%
2023	23.73%	-2.9%
2022	24.43%	+6.0%
2021	23.04%	+7.6%
2020	21.41%	+2.4%
2019	20.91%	+0.5%
2018	20.80%	+4.8%
2017	19.84%	+4.1%
2016	19.06%	-1.5%
2015	19.35%	-2.2%
2014	19.79%	+0.5%
2013	19.69%	-9.4%
2012	21.74%	-8.6%
2011	23.78%	-1.5%
2010	24.13%	+5.7%
2009	22.83%	-12.1%
2008	25.97%	+4.9%
2007	24.76%	-2.0%
2006	25.26%	+5.7%
2005	23.90%	-0.4%

Year	Value	Change
2004	23.99%	+11.6%
2003	21.49%	-7.3%
2002	23.19%	-6.5%
2001	24.80%	+2.5%
2000	24.20%	+12.1%
1999	21.59%	+5.8%
1998	20.41%	+10.3%
1997	18.50%	+3.5%
1996	17.87%	-11.8%
1995	20.26%	-17.2%
1994	24.48%	-25.3%
1993	32.78%	-3.2%
1992	33.88%	+1.2%
1991	33.49%	+5.4%
1991	31.77%	+9.6%
1990	29.00%	-6.2%
1989	30.93%	-2.9%
1988	31.84%	+6.2%
1987	29.98%	+32.2%
1986	22.67%	-

FAQ

What is the current annual gross margin of CLH?: As of today, CLH annual gross margin is 23.64%
What is 1-year change in CLH annual gross margin?: CLH annual gross margin is down -1.25% year-over-year
What is 3-year change in CLH annual gross margin?: CLH annual gross margin is down -3.23% over the past 3 years
How far is CLH annual gross margin from its all-time high?: CLH annual gross margin is currently -30.22% below its historical high of 33.88% set on December 31, 1992
How does CLH annual gross margin rank versus sector peers?: CLH annual gross margin is higher than 49.00% of companies in Industrials sector
When is CLH next annual earnings release?: The next annual earnings release for CLH is on February 24, 2027

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

28.63%0.76%+2.73%

September 30, 2026

Summary

Current Value: As of today, CLH quarterly gross margin is 28.63%, up +2.73% on September 30, 2026
Historical Performance: CLH quarterly gross margin is up +15.91% year-over-year, up +20.14% over the past 3 years
All-Time High Comparison: CLH quarterly gross margin is currently -18.53% below its historical high of 35.14% set on June 30, 1993
3-Year Low Comparison: CLH quarterly gross margin is +39.25% above its 3-year low of 20.56% reached on March 31, 2025
Sector Comparison: CLH quarterly gross margin is higher than 54.52% of companies in Industrials sector

Performance

CLH Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Sep 30, 26	28.63%	+2.7%	+15.9%	+20.1%	+14.9%
Annual Gross Margin	Dec 31, 25	23.64%	–	-1.3%	-3.2%	+10.4%
Price	Nov 13, 26	$293.81	-8.3%	+43.8%	+82.1%	+176.9%
PE Ratio	Nov 13, 26	29.48	-24.1%	+4.0%	+21.6%	-2.1%
Quarterly Revenue	Sep 30, 26	$1.87B	+7.8%	+20.7%	+36.9%	+96.5%
Quarterly Gross Profit	Sep 30, 26	$535.20M	+10.7%	+39.9%	+64.5%	+125.8%
Quarterly Operating Margin	Sep 30, 26	17.02%	+9.8%	+36.6%	+50.6%	+56.1%
Quarterly Net Margin	Sep 30, 26	11.13%	+13.2%	+45.1%	+66.4%	+61.8%

Quarterly Gross Margin Highs

CLH Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	28.63%	Sep 30, 26	at high
3Y	28.63%	Sep 30, 26	at high
5Y	28.63%	Sep 30, 26	at high
All	35.14%	Jun 30, 93	-18.5%

Quarterly Gross Margin Lows

CLH Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	22.34%	Mar 31, 26	+28.2%
3Y	20.56%	Mar 31, 25	+39.3%
5Y	20.38%	Mar 31, 22	+40.5%
All	15.70%	Mar 31, 15	+82.4%

Quarterly Gross Margin History

Month	Value	Change
Sep 2026	28.63%	+2.7%
Jun 2026	27.87%	+24.8%
Mar 2026	22.34%	-4.9%
Dec 2025	23.49%	-4.9%
Sep 2025	24.70%	-3.4%
Jun 2025	25.58%	+24.4%
Mar 2025	20.56%	-7.8%
Dec 2024	22.29%	-7.9%
Sep 2024	24.20%	-9.1%
Jun 2024	26.62%	+19.3%
Mar 2024	22.32%	-4.7%
Dec 2023	23.41%	-1.8%
Sep 2023	23.83%	-6.7%
Jun 2023	25.55%	+16.1%
Mar 2023	22.01%	-5.0%
Dec 2022	23.18%	-12.4%
Sep 2022	26.47%	-2.1%
Jun 2022	27.04%	+32.7%
Mar 2022	20.38%	-5.3%
Dec 2021	21.53%	-13.6%
Sep 2021	24.91%	+0.2%
Jun 2021	24.87%	+19.5%
Mar 2021	20.82%	-1.7%
Dec 2020	21.19%	-8.3%
Sep 2020	23.10%	+9.5%
Jun 2020	21.10%	+3.6%
Mar 2020	20.36%	+1.1%
Dec 2019	20.13%	-11.4%
Sep 2019	22.73%	+0.3%
Jun 2019	22.67%	+27.8%
Mar 2019	17.74%	-16.8%
Dec 2018	21.32%	-3.8%
Sep 2018	22.17%	-1.1%
Jun 2018	22.42%	+33.3%
Mar 2018	16.82%	-14.4%
Dec 2017	19.64%	-7.8%
Sep 2017	21.29%	+0.8%
Jun 2017	21.13%	+23.7%
Mar 2017	17.08%	-2.7%
Dec 2016	17.55%	-20.8%
Sep 2016	22.17%	+5.2%
Jun 2016	21.08%	+21.4%
Mar 2016	17.37%	+4.6%
Dec 2015	16.61%	-20.7%
Sep 2015	20.94%	-8.0%
Jun 2015	22.77%	+45.0%
Mar 2015	15.70%	-17.6%
Dec 2014	19.06%	-10.0%
Sep 2014	21.18%	-0.6%
Jun 2014	21.30%	+19.0%
Mar 2014	17.90%	-5.6%
Dec 2013	18.96%	-8.5%
Sep 2013	20.72%	+1.4%
Jun 2013	20.44%	+7.9%
Mar 2013	18.94%	-5.3%
Dec 2012	20.01%	-8.8%
Sep 2012	21.93%	+0.4%
Jun 2012	21.85%	-5.7%
Mar 2012	23.16%	-6.1%
Dec 2011	24.66%	+3.5%
Sep 2011	23.83%	-3.2%
Jun 2011	24.63%	+13.3%
Mar 2011	21.73%	-8.4%
Dec 2010	23.73%	-8.9%
Sep 2010	26.04%	+0.1%
Jun 2010	26.01%	+33.8%
Mar 2010	19.44%	-3.0%
Dec 2009	20.04%	-16.6%
Sep 2009	24.02%	-4.6%
Jun 2009	25.17%	+7.6%
Mar 2009	23.40%	-7.4%
Dec 2008	25.28%	-4.1%
Sep 2008	26.36%	-4.7%

Month	Value	Change
Jun 2008	27.65%	+13.3%
Mar 2008	24.40%	-5.6%
Dec 2007	25.86%	-0.8%
Sep 2007	26.06%	+0.6%
Jun 2007	25.90%	+26.4%
Mar 2007	20.49%	-16.5%
Dec 2006	24.54%	+2.5%
Sep 2006	23.95%	-14.1%
Jun 2006	27.88%	+12.1%
Mar 2006	24.86%	+0.3%
Dec 2005	24.78%	+4.3%
Sep 2005	23.75%	-2.4%
Jun 2005	24.34%	+7.9%
Mar 2005	22.56%	-11.4%
Dec 2004	25.46%	+3.5%
Sep 2004	24.60%	+0.6%
Jun 2004	24.46%	+16.8%
Mar 2004	20.94%	-7.2%
Dec 2003	22.56%	-4.3%
Sep 2003	23.57%	+19.9%
Jun 2003	19.65%	-3.7%
Mar 2003	20.41%	-18.0%
Dec 2002	24.89%	+30.1%
Sep 2002	19.13%	-25.4%
Jun 2002	25.64%	+17.0%
Mar 2002	21.91%	-24.3%
Dec 2001	28.94%	+32.6%
Sep 2001	21.82%	-17.3%
Jun 2001	26.37%	+29.2%
Mar 2001	20.41%	-11.6%
Dec 2000	23.10%	-8.2%
Sep 2000	25.16%	-6.6%
Jun 2000	26.95%	+27.8%
Mar 2000	21.09%	-1.3%
Dec 1999	21.37%	-5.7%
Sep 1999	22.65%	-0.4%
Jun 1999	22.75%	+18.2%
Mar 1999	19.24%	-1.6%
Dec 1998	19.55%	-8.8%
Sep 1998	21.43%	-7.1%
Jun 1998	23.07%	+38.1%
Mar 1998	16.71%	-20.1%
Dec 1997	20.92%	-16.2%
Sep 1997	24.95%	-7.6%
Jun 1997	27.00%	+21.2%
Mar 1997	22.28%	-10.7%
Dec 1996	24.95%	+12.9%
Sep 1996	22.09%	+1.5%
Jun 1996	21.77%	-9.6%
Mar 1996	24.07%	+13.7%
Dec 1995	21.17%	-14.7%
Sep 1995	24.82%	-12.7%
Jun 1995	28.42%	+7.3%
Mar 1995	26.48%	+11.2%
Dec 1994	23.82%	-20.1%
Sep 1994	29.83%	-9.1%
Jun 1994	32.80%	+9.3%
Mar 1994	30.02%	-0.3%
Dec 1993	30.11%	-5.1%
Sep 1993	31.73%	-9.7%
Jun 1993	35.14%	+1.2%
Mar 1993	34.71%	-0.2%
Dec 1992	34.78%	+0.0%
Sep 1992	34.77%	+2.1%
Jun 1992	34.05%	+1.1%
Mar 1992	33.69%	+3.7%
Nov 1991	32.50%	-5.0%
Aug 1991	34.21%	-0.3%
May 1991	34.32%	+2.4%
Feb 1991	33.52%	+0.2%
Nov 1990	33.44%	+8.6%
Aug 1990	30.79%	+5.2%
May 1990	29.28%	-

FAQ

What is the current quarterly gross margin of CLH?: As of today, CLH quarterly gross margin is 28.63%
What is CLH quarterly gross margin most recent change?: CLH quarterly gross margin was up +2.73% on September 30, 2026
What is 1-year change in CLH quarterly gross margin?: CLH quarterly gross margin is up +15.91% year-over-year
How far is CLH quarterly gross margin from its all-time high?: CLH quarterly gross margin is currently -18.53% below its historical high of 35.14% set on June 30, 1993
How does CLH quarterly gross margin rank versus sector peers?: CLH quarterly gross margin is higher than 54.52% of companies in Industrials sector
When is CLH next earnings release?: The next earnings release for CLH is on February 24, 2027

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Data Sources & References

CLH Official Website www.cleanharbors.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/822818/000082281826000009/0000822818-26-000009-index.htm
CLH Profile on Yahoo Finance finance.yahoo.com/quote/CLH
CLH Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/clh