What is the current 10-day volatility of ECL?

As of today, ECL 10-day volatility is 16.22%

What 10-day volatility category does ECL fall into?

Based on its current 10-day historical volatility, ECL falls into the low volatility category

What is ECL 10-day volatility 1-year high?

ECL 10-day volatility reached a 1-year high of 33.52% on October 29, 2025

What is ECL 10-day volatility 1-year low?

ECL 10-day volatility reached a 1-year low of 8.18% on September 30, 2025

What is the current 1-month volatility of ECL?

As of today, ECL 1-month volatility is 16.55%

What 1-month volatility category does ECL fall into?

Based on its current 1-month historical volatility, ECL falls into the low volatility category

What is ECL 1-month volatility 1-year high?

ECL 1-month volatility reached a 1-year high of 28.17% on April 13, 2026

What is ECL 1-month volatility 1-year low?

ECL 1-month volatility reached a 1-year low of 14.51% on January 5, 2026

What is the current 3-month volatility of ECL?

As of today, ECL 3-month volatility is 20.41%

What 3-month volatility category does ECL fall into?

Based on its current 3-month historical volatility, ECL falls into the low volatility category

What is ECL 3-month volatility 1-year high?

ECL 3-month volatility reached a 1-year high of 26.16% on July 28, 2026

What is ECL 3-month volatility 1-year low?

ECL 3-month volatility reached a 1-year low of 16.21% on September 30, 2025

What is the current 1-year volatility of ECL?

As of today, ECL 1-year volatility is 22.04%

What 1-year volatility category does ECL fall into?

Based on its current 1-year historical volatility, ECL falls into the low volatility category

What is ECL 1-year volatility 1-year high?

ECL 1-year volatility reached a 1-year high of 22.18% on July 28, 2026

What is ECL 1-year volatility 1-year low?

ECL 1-year volatility reached a 1-year low of 19.37% on September 29, 2025

Ecolab Inc. (ECL) Stock Volatility History & Chart

10-Day

16.22%

September 25, 2026

Summary

Current Value: As of today, ECL 10-day volatility is 16.22%, down -2.82% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, ECL falls into the low volatility category
1-Year High: ECL 10-day volatility reached a 1-year high of 33.52% on October 29, 2025
1-Year Low: ECL 10-day volatility reached a 1-year low of 8.18% on September 30, 2025

10-Day Volatility Chart

Performance

ECL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	16.22%	-2.8%	-18.5%	-21.9%	+40.3%	-0.5%	-17.4%	-30.8%
1-Month Volatility	Sep 25, 26	16.55%	+5.5%	-6.8%	-38.2%	-4.8%	+1.1%	+3.8%	-8.3%
3-Month Volatility	Sep 25, 26	20.41%	-0.1%	-13.4%	-18.7%	-4.5%	+24.9%	+35.9%	+36.5%
1-Year Volatility	Sep 25, 26	22.04%	+0.2%	+0.1%	+4.1%	+6.3%	+13.6%	-18.2%	-5.0%
14-Day RSI	Sep 25, 26	54.34	+13.8%	-5.3%	-9.1%	+14.6%	+34.1%	+86.9%	+59.2%
Beta	Sep 25, 26	0.49	+2.1%	0.0%	-16.9%	-9.3%	-14.0%	-55.9%	-51.5%
ATR	Sep 25, 26	$5.37	+3.2%	-7.0%	-22.9%	+35.8%	+39.3%	+77.6%	+43.7%
Price	Sep 25, 26	$279.49	+1.5%	-2.5%	-1.5%	+6.5%	+3.1%	+65.1%	+31.3%
200-Day SMA	Sep 25, 26	$273.43	+0.0%	+0.4%	+1.1%	+3.8%	+6.0%	+62.5%	+26.2%
50-Day SMA	Sep 25, 26	$278.06	+0.0%	0.0%	+6.4%	+5.4%	+2.2%	+53.5%	+25.7%
20-Day SMA	Sep 25, 26	$276.48	-0.1%	-2.3%	+4.4%	+5.4%	+2.3%	+55.9%	+24.0%

10-Day Volatility History

Date	Value	Change
Sep 28, 2026	16.22%	+40.3%
Dec 31, 2025	11.56%	-43.4%
Dec 31, 2024	20.41%	+132.5%
Dec 31, 2023	8.78%	-63.0%
Dec 31, 2022	23.71%	+48.6%
Dec 31, 2021	15.96%	+26.7%
Dec 31, 2020	12.60%	-28.3%
Dec 31, 2019	17.57%	-52.5%
Dec 31, 2018	37.00%	+386.2%
Dec 31, 2017	7.61%	-19.6%
Dec 31, 2016	9.46%	-56.2%
Dec 31, 2015	21.61%	+15.7%
Dec 31, 2014	18.68%	+35.0%
Dec 31, 2013	13.84%	-17.5%
Dec 31, 2012	16.78%	-10.4%
Dec 31, 2011	18.73%	+318.1%
Dec 31, 2010	4.48%	-59.5%
Dec 31, 2009	11.06%	-61.7%
Dec 31, 2008	28.85%	+21.8%
Dec 31, 2007	23.69%	+138.1%
Dec 31, 2006	9.95%	-25.6%
Dec 31, 2005	13.37%	+4.8%
Dec 31, 2004	12.76%	-37.3%
Dec 31, 2003	20.34%	-25.5%
Dec 31, 2002	27.30%	+58.2%
Dec 31, 2001	17.26%	-59.4%
Dec 31, 2000	42.55%	+104.2%

Date	Value	Change
Dec 31, 1999	20.84%	-41.1%
Dec 31, 1998	35.37%	+145.6%
Dec 31, 1997	14.40%	+69.2%
Dec 31, 1996	8.51%	-48.7%
Dec 31, 1995	16.59%	-63.3%
Dec 31, 1994	45.20%	+213.9%
Dec 31, 1993	14.40%	+7.2%
Dec 31, 1992	13.43%	-69.7%
Dec 31, 1991	44.34%	+48.8%
Dec 31, 1990	29.79%	+10.2%
Dec 31, 1989	27.04%	+91.4%
Dec 31, 1988	14.13%	-68.1%
Dec 31, 1987	44.35%	+0.2%
Dec 31, 1986	44.25%	+445.6%
Dec 31, 1985	8.11%	-31.6%
Dec 31, 1984	11.86%	-48.9%
Dec 31, 1983	23.19%	-26.3%
Dec 31, 1982	31.45%	-40.1%
Dec 31, 1981	52.48%	+92.9%
Dec 31, 1980	27.21%	+91.4%
Dec 31, 1979	14.22%	-68.0%
Dec 31, 1978	44.37%	+294.4%
Dec 31, 1977	11.25%	-39.2%
Dec 31, 1976	18.49%	-29.8%
Dec 31, 1975	26.34%	-28.3%
Dec 31, 1974	36.72%	+5.9%
Dec 31, 1973	34.69%	-

FAQ

What is the current 10-day volatility of ECL?: As of today, ECL 10-day volatility is 16.22%
What 10-day volatility category does ECL fall into?: Based on its current 10-day historical volatility, ECL falls into the low volatility category
What is ECL 10-day volatility 1-year high?: ECL 10-day volatility reached a 1-year high of 33.52% on October 29, 2025
What is ECL 10-day volatility 1-year low?: ECL 10-day volatility reached a 1-year low of 8.18% on September 30, 2025

1-Month

16.55%

September 25, 2026

Summary

Current Value: As of today, ECL 1-month volatility is 16.55%, up +5.55% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, ECL falls into the low volatility category
1-Year High: ECL 1-month volatility reached a 1-year high of 28.17% on April 13, 2026
1-Year Low: ECL 1-month volatility reached a 1-year low of 14.51% on January 5, 2026

Performance

ECL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	16.55%	+5.5%	-6.8%	-38.2%	-4.8%	+1.1%	+3.8%	-8.3%
10-Day Volatility	Sep 25, 26	16.22%	-2.8%	-18.5%	-21.9%	+40.3%	-0.5%	-17.4%	-30.8%
3-Month Volatility	Sep 25, 26	20.41%	-0.1%	-13.4%	-18.7%	-4.5%	+24.9%	+35.9%	+36.5%
1-Year Volatility	Sep 25, 26	22.04%	+0.2%	+0.1%	+4.1%	+6.3%	+13.6%	-18.2%	-5.0%
14-Day RSI	Sep 25, 26	54.34	+13.8%	-5.3%	-9.1%	+14.6%	+34.1%	+86.9%	+59.2%
Beta	Sep 25, 26	0.49	+2.1%	0.0%	-16.9%	-9.3%	-14.0%	-55.9%	-51.5%
ATR	Sep 25, 26	$5.37	+3.2%	-7.0%	-22.9%	+35.8%	+39.3%	+77.6%	+43.7%
Price	Sep 25, 26	$279.49	+1.5%	-2.5%	-1.5%	+6.5%	+3.1%	+65.1%	+31.3%
200-Day SMA	Sep 25, 26	$273.43	+0.0%	+0.4%	+1.1%	+3.8%	+6.0%	+62.5%	+26.2%
50-Day SMA	Sep 25, 26	$278.06	+0.0%	0.0%	+6.4%	+5.4%	+2.2%	+53.5%	+25.7%
20-Day SMA	Sep 25, 26	$276.48	-0.1%	-2.3%	+4.4%	+5.4%	+2.3%	+55.9%	+24.0%

1-Month Volatility History

Date	Value	Change
Sep 28, 2026	16.55%	-3.3%
Dec 31, 2025	17.12%	+3.3%
Dec 31, 2024	16.57%	+36.0%
Dec 31, 2023	12.18%	-46.6%
Dec 31, 2022	22.81%	+12.8%
Dec 31, 2021	20.22%	-2.9%
Dec 31, 2020	20.82%	+53.3%
Dec 31, 2019	13.58%	-51.7%
Dec 31, 2018	28.09%	+191.7%
Dec 31, 2017	9.63%	-38.2%
Dec 31, 2016	15.57%	-30.7%
Dec 31, 2015	22.48%	-24.8%
Dec 31, 2014	29.89%	+74.7%
Dec 31, 2013	17.11%	-5.5%
Dec 31, 2012	18.11%	-5.1%
Dec 31, 2011	19.08%	+62.5%
Dec 31, 2010	11.74%	-13.4%
Dec 31, 2009	13.56%	-74.7%
Dec 31, 2008	53.55%	+116.5%
Dec 31, 2007	24.73%	+141.3%
Dec 31, 2006	10.25%	-27.1%
Dec 31, 2005	14.07%	+16.2%
Dec 31, 2004	12.11%	-48.7%
Dec 31, 2003	23.61%	+4.1%
Dec 31, 2002	22.68%	-9.4%
Dec 31, 2001	25.04%	-34.1%
Dec 31, 2000	37.98%	+77.6%

Date	Value	Change
Dec 31, 1999	21.38%	-38.5%
Dec 31, 1998	34.76%	+163.5%
Dec 31, 1997	13.19%	+24.2%
Dec 31, 1996	10.62%	-53.7%
Dec 31, 1995	22.96%	-29.3%
Dec 31, 1994	32.49%	+175.6%
Dec 31, 1993	11.79%	-7.6%
Dec 31, 1992	12.76%	-61.8%
Dec 31, 1991	33.40%	+31.7%
Dec 31, 1990	25.37%	-3.0%
Dec 31, 1989	26.15%	+33.8%
Dec 31, 1988	19.55%	-64.1%
Dec 31, 1987	54.45%	+65.5%
Dec 31, 1986	32.90%	+128.9%
Dec 31, 1985	14.37%	+14.5%
Dec 31, 1984	12.55%	-47.5%
Dec 31, 1983	23.92%	-40.3%
Dec 31, 1982	40.07%	+0.3%
Dec 31, 1981	39.95%	+43.9%
Dec 31, 1980	27.77%	+5.4%
Dec 31, 1979	26.34%	-24.5%
Dec 31, 1978	34.87%	+203.7%
Dec 31, 1977	11.48%	-38.4%
Dec 31, 1976	18.65%	-9.3%
Dec 31, 1975	20.56%	-57.3%
Dec 31, 1974	48.20%	+41.4%
Dec 31, 1973	34.09%	-

FAQ

What is the current 1-month volatility of ECL?: As of today, ECL 1-month volatility is 16.55%
What 1-month volatility category does ECL fall into?: Based on its current 1-month historical volatility, ECL falls into the low volatility category
What is ECL 1-month volatility 1-year high?: ECL 1-month volatility reached a 1-year high of 28.17% on April 13, 2026
What is ECL 1-month volatility 1-year low?: ECL 1-month volatility reached a 1-year low of 14.51% on January 5, 2026

3-Month

20.41%

September 25, 2026

Summary

Current Value: As of today, ECL 3-month volatility is 20.41%, down -0.05% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, ECL falls into the low volatility category
1-Year High: ECL 3-month volatility reached a 1-year high of 26.16% on July 28, 2026
1-Year Low: ECL 3-month volatility reached a 1-year low of 16.21% on September 30, 2025

Performance

ECL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	20.41%	-0.1%	-13.4%	-18.7%	-4.5%	+24.9%	+35.9%	+36.5%
10-Day Volatility	Sep 25, 26	16.22%	-2.8%	-18.5%	-21.9%	+40.3%	-0.5%	-17.4%	-30.8%
1-Month Volatility	Sep 25, 26	16.55%	+5.5%	-6.8%	-38.2%	-4.8%	+1.1%	+3.8%	-8.3%
1-Year Volatility	Sep 25, 26	22.04%	+0.2%	+0.1%	+4.1%	+6.3%	+13.6%	-18.2%	-5.0%
14-Day RSI	Sep 25, 26	54.34	+13.8%	-5.3%	-9.1%	+14.6%	+34.1%	+86.9%	+59.2%
Beta	Sep 25, 26	0.49	+2.1%	0.0%	-16.9%	-9.3%	-14.0%	-55.9%	-51.5%
ATR	Sep 25, 26	$5.37	+3.2%	-7.0%	-22.9%	+35.8%	+39.3%	+77.6%	+43.7%
Price	Sep 25, 26	$279.49	+1.5%	-2.5%	-1.5%	+6.5%	+3.1%	+65.1%	+31.3%
200-Day SMA	Sep 25, 26	$273.43	+0.0%	+0.4%	+1.1%	+3.8%	+6.0%	+62.5%	+26.2%
50-Day SMA	Sep 25, 26	$278.06	+0.0%	0.0%	+6.4%	+5.4%	+2.2%	+53.5%	+25.7%
20-Day SMA	Sep 25, 26	$276.48	-0.1%	-2.3%	+4.4%	+5.4%	+2.3%	+55.9%	+24.0%

3-Month Volatility History

Date	Value	Change
Sep 28, 2026	20.41%	-4.6%
Dec 31, 2025	21.39%	+39.3%
Dec 31, 2024	15.35%	-21.9%
Dec 31, 2023	19.66%	-50.5%
Dec 31, 2022	39.73%	+88.7%
Dec 31, 2021	21.06%	-31.7%
Dec 31, 2020	30.83%	+103.1%
Dec 31, 2019	15.18%	-33.7%
Dec 31, 2018	22.90%	+137.6%
Dec 31, 2017	9.64%	-27.0%
Dec 31, 2016	13.21%	-32.8%
Dec 31, 2015	19.67%	-20.7%
Dec 31, 2014	24.80%	+32.7%
Dec 31, 2013	18.69%	+8.5%
Dec 31, 2012	17.22%	-35.2%
Dec 31, 2011	26.57%	+46.1%
Dec 31, 2010	18.19%	+13.1%
Dec 31, 2009	16.09%	-78.8%
Dec 31, 2008	75.72%	+208.6%
Dec 31, 2007	24.54%	+113.4%
Dec 31, 2006	11.50%	-25.3%
Dec 31, 2005	15.40%	-5.8%
Dec 31, 2004	16.34%	-23.3%
Dec 31, 2003	21.31%	-35.6%
Dec 31, 2002	33.10%	+15.0%
Dec 31, 2001	28.78%	-3.6%
Dec 31, 2000	29.87%	+8.2%

Date	Value	Change
Dec 31, 1999	27.60%	-33.5%
Dec 31, 1998	41.50%	+112.2%
Dec 31, 1997	19.56%	+32.9%
Dec 31, 1996	14.72%	-30.0%
Dec 31, 1995	21.03%	-20.3%
Dec 31, 1994	26.40%	+18.4%
Dec 31, 1993	22.30%	+55.5%
Dec 31, 1992	14.34%	-50.6%
Dec 31, 1991	29.02%	-16.1%
Dec 31, 1990	34.58%	-0.2%
Dec 31, 1989	34.65%	+68.0%
Dec 31, 1988	20.63%	-66.6%
Dec 31, 1987	61.69%	+96.2%
Dec 31, 1986	31.44%	+107.8%
Dec 31, 1985	15.13%	+6.3%
Dec 31, 1984	14.23%	-31.5%
Dec 31, 1983	20.77%	-32.6%
Dec 31, 1982	30.80%	-2.4%
Dec 31, 1981	31.55%	+29.5%
Dec 31, 1980	24.36%	+0.2%
Dec 31, 1979	24.31%	-38.2%
Dec 31, 1978	39.35%	+119.5%
Dec 31, 1977	17.93%	-36.1%
Dec 31, 1976	28.06%	-0.1%
Dec 31, 1975	28.09%	-58.2%
Dec 31, 1974	67.28%	+142.0%
Dec 31, 1973	27.80%	-

FAQ

What is the current 3-month volatility of ECL?: As of today, ECL 3-month volatility is 20.41%
What 3-month volatility category does ECL fall into?: Based on its current 3-month historical volatility, ECL falls into the low volatility category
What is ECL 3-month volatility 1-year high?: ECL 3-month volatility reached a 1-year high of 26.16% on July 28, 2026
What is ECL 3-month volatility 1-year low?: ECL 3-month volatility reached a 1-year low of 16.21% on September 30, 2025

1-Year

22.04%

September 25, 2026

Summary

Current Value: As of today, ECL 1-year volatility is 22.04%, up +0.23% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, ECL falls into the low volatility category
1-Year High: ECL 1-year volatility reached a 1-year high of 22.18% on July 28, 2026
1-Year Low: ECL 1-year volatility reached a 1-year low of 19.37% on September 29, 2025

Performance

ECL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	22.04%	+0.2%	+0.1%	+4.1%	+6.3%	+13.6%	-18.2%	-5.0%
10-Day Volatility	Sep 25, 26	16.22%	-2.8%	-18.5%	-21.9%	+40.3%	-0.5%	-17.4%	-30.8%
1-Month Volatility	Sep 25, 26	16.55%	+5.5%	-6.8%	-38.2%	-4.8%	+1.1%	+3.8%	-8.3%
3-Month Volatility	Sep 25, 26	20.41%	-0.1%	-13.4%	-18.7%	-4.5%	+24.9%	+35.9%	+36.5%
1-Year Volatility	Sep 25, 26	22.04%	+0.2%	+0.1%	+4.1%	+6.3%	+13.6%	-18.2%	-5.0%
14-Day RSI	Sep 25, 26	54.34	+13.8%	-5.3%	-9.1%	+14.6%	+34.1%	+86.9%	+59.2%
Beta	Sep 25, 26	0.49	+2.1%	0.0%	-16.9%	-9.3%	-14.0%	-55.9%	-51.5%
ATR	Sep 25, 26	$5.37	+3.2%	-7.0%	-22.9%	+35.8%	+39.3%	+77.6%	+43.7%
Price	Sep 25, 26	$279.49	+1.5%	-2.5%	-1.5%	+6.5%	+3.1%	+65.1%	+31.3%
200-Day SMA	Sep 25, 26	$273.43	+0.0%	+0.4%	+1.1%	+3.8%	+6.0%	+62.5%	+26.2%
50-Day SMA	Sep 25, 26	$278.06	+0.0%	0.0%	+6.4%	+5.4%	+2.2%	+53.5%	+25.7%
20-Day SMA	Sep 25, 26	$276.48	-0.1%	-2.3%	+4.4%	+5.4%	+2.3%	+55.9%	+24.0%

1-Year Volatility History

Date	Value	Change
Sep 28, 2026	22.04%	+6.3%
Dec 31, 2025	20.74%	+9.3%
Dec 31, 2024	18.98%	-8.2%
Dec 31, 2023	20.68%	-40.3%
Dec 31, 2022	34.66%	+70.4%
Dec 31, 2021	20.34%	-58.1%
Dec 31, 2020	48.60%	+184.5%
Dec 31, 2019	17.08%	-3.9%
Dec 31, 2018	17.78%	+69.7%
Dec 31, 2017	10.48%	-48.1%
Dec 31, 2016	20.21%	+2.4%
Dec 31, 2015	19.74%	+17.8%
Dec 31, 2014	16.76%	-0.7%
Dec 31, 2013	16.88%	+0.5%
Dec 31, 2012	16.80%	-35.8%
Dec 31, 2011	26.17%	+30.9%
Dec 31, 2010	19.99%	-21.5%
Dec 31, 2009	25.46%	-44.0%
Dec 31, 2008	45.43%	+129.6%
Dec 31, 2007	19.79%	+10.7%
Dec 31, 2006	17.88%	+8.9%
Dec 31, 2005	16.42%	-6.2%
Dec 31, 2004	17.50%	-14.8%
Dec 31, 2003	20.54%	-33.5%
Dec 31, 2002	30.88%	+3.3%
Dec 31, 2001	29.90%	-7.5%
Dec 31, 2000	32.33%	+29.3%

Date	Value	Change
Dec 31, 1999	25.01%	-12.7%
Dec 31, 1998	28.64%	+45.8%
Dec 31, 1997	19.65%	+7.4%
Dec 31, 1996	18.30%	-12.4%
Dec 31, 1995	20.89%	-7.9%
Dec 31, 1994	22.68%	+22.2%
Dec 31, 1993	18.56%	-43.3%
Dec 31, 1992	32.74%	+14.2%
Dec 31, 1991	28.68%	-6.5%
Dec 31, 1990	30.68%	+8.8%
Dec 31, 1989	28.21%	-0.1%
Dec 31, 1988	28.25%	-35.2%
Dec 31, 1987	43.59%	+50.5%
Dec 31, 1986	28.97%	+77.9%
Dec 31, 1985	16.28%	-22.7%
Dec 31, 1984	21.06%	-15.4%
Dec 31, 1983	24.90%	-6.1%
Dec 31, 1982	26.51%	-5.3%
Dec 31, 1981	27.99%	-12.4%
Dec 31, 1980	31.96%	+11.9%
Dec 31, 1979	28.57%	-5.4%
Dec 31, 1978	30.21%	+36.2%
Dec 31, 1977	22.18%	-13.4%
Dec 31, 1976	25.60%	-34.8%
Dec 31, 1975	39.26%	-19.0%
Dec 31, 1974	48.44%	+85.3%
Dec 31, 1973	26.14%	-

FAQ

What is the current 1-year volatility of ECL?: As of today, ECL 1-year volatility is 22.04%
What 1-year volatility category does ECL fall into?: Based on its current 1-year historical volatility, ECL falls into the low volatility category
What is ECL 1-year volatility 1-year high?: ECL 1-year volatility reached a 1-year high of 22.18% on July 28, 2026
What is ECL 1-year volatility 1-year low?: ECL 1-year volatility reached a 1-year low of 19.37% on September 29, 2025

Data Sources & References

ECL Official Website www.ecolab.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/31462/000110465926012358/0001104659-26-012358-index.htm
ECL Profile on Yahoo Finance finance.yahoo.com/quote/ECL
ECL Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ecl