What is the current annual operating margin of CLH?

As of today, CLH annual operating margin is 11.17%

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

CLH annual operating margin is down -1.85% year-over-year

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

CLH annual operating margin is down -9.11% over the past 3 years

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

CLH annual operating margin is currently -9.11% below its historical high of 12.29% set on December 31, 2022

How does CLH annual operating margin rank versus sector peers?

CLH annual operating margin is higher than 69.90% 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 operating margin of CLH?

As of today, CLH quarterly operating margin is 17.02%

What is CLH quarterly operating margin most recent change?

CLH quarterly operating margin was up +9.81% on September 30, 2026

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

CLH quarterly operating margin is up +36.60% year-over-year

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

CLH quarterly operating margin is currently at its all-time high

How does CLH quarterly operating margin rank versus sector peers?

CLH quarterly operating margin is higher than 74.88% of companies in Industrials sector

When is CLH next earnings release?

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

CLH Operating Margin History & Chart Since 1986

Annual Operating Margin

11.17%0.21%-1.85%

December 31, 2025

Summary

Current Value: As of today, CLH annual operating margin is 11.17%, down -1.85% on December 31, 2025
Historical Performance: CLH annual operating margin is down -9.11% over the past 3 years, up +67.97% over the past 5 years
All-Time High Comparison: CLH annual operating margin is currently -9.11% below its historical high of 12.29% set on December 31, 2022
3-Year Low Comparison: CLH annual operating margin is at its 3-year low
Sector Comparison: CLH annual operating margin is higher than 69.90% of companies in Industrials sector

Operating Margin Chart

beforeafter

Performance

CLH Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Dec 31, 25	11.17%	-1.9%	-9.1%	+68.0%	-8.8%
Quarterly Operating Margin	Sep 30, 26	17.02%	+36.6%	+50.6%	+56.1%	+40.4%
Price	Nov 10, 26	$290.04	+39.9%	+79.8%	+174.2%	+406.7%
PE Ratio	Nov 10, 26	29.10	+1.2%	+20.1%	-3.0%	+7.5%
Annual Revenue	Dec 31, 25	$6.03B	+2.4%	+16.7%	+91.8%	+248.3%
Annual Operating Profit	Dec 31, 25	$673.37M	+0.5%	+6.1%	+222.1%	+217.6%
Annual Gross Margin	Dec 31, 25	23.64%	-1.3%	-3.2%	+10.4%	-2.0%
Annual Net Margin	Dec 31, 25	6.48%	-5.1%	-18.7%	+51.0%	-12.2%

Operating Margin Highs

CLH Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	12.29%	N/A	-9.1%
5Y	12.29%	Dec 31, 22	-9.1%
All	12.29%	Dec 31, 22	-9.1%

Operating Margin Lows

CLH Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	11.17%	Dec 31, 25	at low
5Y	6.65%	N/A	+68.0%
All	-0.27%	Dec 31, 96	+4237.0%

Operating Margin History

Year	Value	Change
2025	11.17%	-1.8%
2024	11.38%	+0.5%
2023	11.32%	-7.9%
2022	12.29%	+39.2%
2021	8.83%	+32.8%
2020	6.65%	-1.0%
2019	6.72%	+20.6%
2018	5.57%	+28.3%
2017	4.34%	+13.9%
2016	3.81%	-43.3%
2015	6.72%	-2.9%
2014	6.92%	-4.7%
2013	7.26%	-24.0%
2012	9.55%	-13.6%
2011	11.05%	-9.8%
2010	12.25%	+51.0%
2009	8.11%	-22.6%
2008	10.48%	+16.4%
2007	9.00%	+0.4%
2006	8.96%	+27.8%
2005	7.01%	+15.9%

Year	Value	Change
2004	6.05%	+52.4%
2003	3.97%	-26.8%
2002	5.42%	-24.0%
2001	7.13%	+16.7%
2000	6.11%	+86.9%
1999	3.27%	+29.8%
1998	2.52%	+1,033.3%
1997	-0.27%	0.0%
1996	-0.27%	-120.0%
1995	1.35%	-76.3%
1994	5.69%	-12.5%
1993	6.50%	-23.2%
1992	8.46%	-3.6%
1991	8.78%	-0.5%
1991	8.82%	+118.9%
1990	4.03%	-33.5%
1989	6.06%	-47.6%
1988	11.56%	+10.2%
1987	10.49%	+30.0%
1986	8.07%	-

FAQ

What is the current annual operating margin of CLH?: As of today, CLH annual operating margin is 11.17%
What is 1-year change in CLH annual operating margin?: CLH annual operating margin is down -1.85% year-over-year
What is 3-year change in CLH annual operating margin?: CLH annual operating margin is down -9.11% over the past 3 years
How far is CLH annual operating margin from its all-time high?: CLH annual operating margin is currently -9.11% below its historical high of 12.29% set on December 31, 2022
How does CLH annual operating margin rank versus sector peers?: CLH annual operating margin is higher than 69.90% of companies in Industrials sector
When is CLH next annual earnings release?: The next annual earnings release for CLH is on February 24, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Quarterly Operating Margin

17.02%1.52%+9.81%

September 30, 2026

Summary

Current Value: As of today, CLH quarterly operating margin is 17.02%, up +9.81% on September 30, 2026
Historical Performance: CLH quarterly operating margin is up +36.60% year-over-year, up +50.62% over the past 3 years
All-Time High Comparison: CLH quarterly operating margin is currently at its all-time high
3-Year Low Comparison: CLH quarterly operating margin is +118.49% above its 3-year low of 7.79% reached on March 31, 2025
Sector Comparison: CLH quarterly operating margin is higher than 74.88% of companies in Industrials sector

Performance

CLH Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Sep 30, 26	17.02%	+9.8%	+36.6%	+50.6%	+56.1%
Annual Operating Margin	Dec 31, 25	11.17%	–	-1.9%	-9.1%	+68.0%
Price	Nov 10, 26	$290.04	-6.9%	+39.9%	+79.8%	+174.2%
PE Ratio	Nov 10, 26	29.10	-23.0%	+1.2%	+20.1%	-3.0%
Quarterly Revenue	Sep 30, 26	$1.87B	+7.8%	+20.7%	+36.9%	+96.5%
Quarterly Operating Profit	Sep 30, 26	$318.11M	+18.3%	+64.8%	+106.1%	+206.8%
Quarterly Gross Margin	Sep 30, 26	28.63%	+2.7%	+15.9%	+20.1%	+14.9%
Quarterly Net Margin	Sep 30, 26	11.13%	+13.2%	+45.1%	+66.4%	+61.8%

Quarterly Operating Margin Highs

CLH Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	17.02%	Sep 30, 26	at high
3Y	17.02%	Sep 30, 26	at high
5Y	17.02%	Sep 30, 26	at high
All	17.02%	Sep 30, 26	at high

Quarterly Operating Margin Lows

CLH Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	8.15%	Mar 31, 26	+108.8%
3Y	7.79%	Mar 31, 25	+118.5%
5Y	7.32%	Dec 31, 21	+132.5%
All	-323.15%	Feb 28, 90	+105.3%

Quarterly Operating Margin History

Month	Value	Change
Sep 2026	17.02%	+9.8%
Jun 2026	15.50%	+90.2%
Mar 2026	8.15%	-22.9%
Dec 2025	10.57%	-15.2%
Sep 2025	12.46%	-8.2%
Jun 2025	13.57%	+74.2%
Mar 2025	7.79%	-18.6%
Dec 2024	9.57%	-23.9%
Sep 2024	12.57%	-9.4%
Jun 2024	13.88%	+52.4%
Mar 2024	9.11%	-17.3%
Dec 2023	11.01%	-2.6%
Sep 2023	11.30%	-16.8%
Jun 2023	13.58%	+46.8%
Mar 2023	9.25%	-7.2%
Dec 2022	9.97%	-35.0%
Sep 2022	15.34%	-1.5%
Jun 2022	15.57%	+109.0%
Mar 2022	7.45%	+1.8%
Dec 2021	7.32%	-32.8%
Sep 2021	10.90%	-3.6%
Jun 2021	11.31%	+101.2%
Mar 2021	5.62%	-20.3%
Dec 2020	7.05%	-22.2%
Sep 2020	9.06%	+74.6%
Jun 2020	5.19%	-2.1%
Mar 2020	5.30%	-11.8%
Dec 2019	6.01%	-33.3%
Sep 2019	9.01%	+7.1%
Jun 2019	8.41%	+176.6%
Mar 2019	3.04%	-37.4%
Dec 2018	4.86%	-37.9%
Sep 2018	7.82%	+2.5%
Jun 2018	7.63%	+398.7%
Mar 2018	1.53%	-59.1%
Dec 2017	3.74%	-40.7%
Sep 2017	6.31%	+1.6%
Jun 2017	6.21%	+686.1%
Mar 2017	0.79%	-75.1%
Dec 2016	3.17%	-55.1%
Sep 2016	7.06%	+20.1%
Jun 2016	5.88%	+370.4%
Mar 2016	1.25%	-65.1%
Dec 2015	3.58%	-66.0%
Sep 2015	10.53%	+5.9%
Jun 2015	9.94%	+894.0%
Mar 2015	1.00%	-85.3%
Dec 2014	6.81%	-28.1%
Sep 2014	9.47%	+21.1%
Jun 2014	7.82%	+91.2%
Mar 2014	4.09%	-42.6%
Dec 2013	7.13%	-13.2%
Sep 2013	8.21%	+32.4%
Jun 2013	6.20%	+30.8%
Mar 2013	4.74%	-38.3%
Dec 2012	7.68%	-27.8%
Sep 2012	10.63%	+16.9%
Jun 2012	9.09%	-14.9%
Mar 2012	10.68%	-1.7%
Dec 2011	10.87%	-10.3%
Sep 2011	12.12%	+3.2%
Jun 2011	11.74%	+28.4%
Mar 2011	9.14%	-11.3%
Dec 2010	10.31%	-31.5%
Sep 2010	15.05%	-1.4%
Jun 2010	15.27%	+137.5%
Mar 2010	6.43%	-20.7%
Dec 2009	8.11%	-17.1%
Sep 2009	9.78%	+28.2%
Jun 2009	7.63%	+44.2%
Mar 2009	5.29%	-50.8%
Dec 2008	10.76%	-5.9%
Sep 2008	11.44%	+1.7%
Jun 2008	11.25%	+36.4%
Mar 2008	8.25%	-15.3%

Month	Value	Change
Dec 2007	9.74%	-7.6%
Sep 2007	10.54%	+6.5%
Jun 2007	9.90%	+90.4%
Mar 2007	5.20%	-39.0%
Dec 2006	8.52%	-16.3%
Sep 2006	10.18%	+13.9%
Jun 2006	8.94%	+10.0%
Mar 2006	8.13%	+9.9%
Dec 2005	7.40%	+7.4%
Sep 2005	6.89%	-16.8%
Jun 2005	8.28%	+33.8%
Mar 2005	6.19%	-25.7%
Dec 2004	8.33%	+19.9%
Sep 2004	6.95%	+20.0%
Jun 2004	5.79%	+101.0%
Mar 2004	2.88%	-33.8%
Dec 2003	4.35%	+1.6%
Sep 2003	4.28%	>+9,900.0%
Jun 2003	0.01%	+101.5%
Mar 2003	-0.66%	-183.5%
Sep 2002	0.79%	-88.9%
Jun 2002	7.10%	+137.5%
Mar 2002	2.99%	-74.6%
Dec 2001	11.79%	+131.6%
Sep 2001	5.09%	-37.5%
Jun 2001	8.14%	+428.6%
Mar 2001	1.54%	-68.8%
Dec 2000	4.93%	-31.9%
Sep 2000	7.24%	-26.0%
Jun 2000	9.79%	+450.0%
Mar 2000	1.78%	-38.8%
Dec 1999	2.91%	-39.8%
Sep 1999	4.83%	-17.6%
Jun 1999	5.86%	+600.9%
Mar 1999	-1.17%	-137.9%
Dec 1998	3.09%	+20.2%
Sep 1998	2.57%	-56.7%
Jun 1998	5.94%	+308.4%
Mar 1998	-2.85%	+23.0%
Dec 1997	-3.70%	-254.2%
Sep 1997	2.40%	-29.0%
Jun 1997	3.38%	+180.3%
Mar 1997	-4.21%	-275.4%
Dec 1996	2.40%	>+9,900.0%
Sep 1996	0.00%	+100.0%
Jun 1996	-2.22%	-12.7%
Mar 1996	-1.97%	+79.6%
Dec 1995	-9.64%	-1,147.8%
Sep 1995	0.92%	-79.8%
Jun 1995	4.55%	+138.2%
Mar 1995	1.91%	>+9,900.0%
Dec 1994	0.00%	-100.0%
Sep 1994	7.13%	-13.6%
Jun 1994	8.25%	+46.0%
Mar 1994	5.65%	-3.7%
Dec 1993	5.87%	+27.1%
Sep 1993	4.62%	-45.6%
Jun 1993	8.49%	+15.4%
Mar 1993	7.36%	-20.8%
Dec 1992	9.29%	-2.2%
Sep 1992	9.50%	+13.2%
Jun 1992	8.39%	+31.7%
Mar 1992	6.37%	-20.4%
Nov 1991	8.00%	-25.9%
Aug 1991	10.79%	+17.4%
May 1991	9.19%	+13.5%
Feb 1991	8.10%	-16.4%
Nov 1990	9.69%	-1.6%
Aug 1990	9.85%	+35.9%
May 1990	7.25%	+102.2%
Feb 1990	-323.15%	-20.4%
Feb 1989	-268.44%	-14.2%
Feb 1988	-235.05%	-8.5%
Feb 1987	-216.67%	+19.8%
Feb 1986	-270.00%	-

FAQ

What is the current quarterly operating margin of CLH?: As of today, CLH quarterly operating margin is 17.02%
What is CLH quarterly operating margin most recent change?: CLH quarterly operating margin was up +9.81% on September 30, 2026
What is 1-year change in CLH quarterly operating margin?: CLH quarterly operating margin is up +36.60% year-over-year
How far is CLH quarterly operating margin from its all-time high?: CLH quarterly operating margin is currently at its all-time high
How does CLH quarterly operating margin rank versus sector peers?: CLH quarterly operating margin is higher than 74.88% of companies in Industrials sector
When is CLH next earnings release?: The next earnings release for CLH is on February 24, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

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