What is the current 10-day volatility of DCI?

As of today, DCI 10-day volatility is 23.19%

What 10-day volatility category does DCI fall into?

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

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

DCI 10-day volatility reached a 1-year high of 64.35% on April 11, 2025

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

DCI 10-day volatility reached a 1-year low of 8.64% on June 12, 2025

What is the current 1-month volatility of DCI?

As of today, DCI 1-month volatility is 22.80%

What 1-month volatility category does DCI fall into?

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

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

DCI 1-month volatility reached a 1-year high of 48.45% on April 25, 2025

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

DCI 1-month volatility reached a 1-year low of 11.75% on June 27, 2025

What is the current 3-month volatility of DCI?

As of today, DCI 3-month volatility is 25.84%

What 3-month volatility category does DCI fall into?

Based on its current 3-month historical volatility, DCI falls into the moderate volatility category

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

DCI 3-month volatility reached a 1-year high of 32.92% on May 27, 2025

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

DCI 3-month volatility reached a 1-year low of 15.40% on August 12, 2025

What is the current 1-year volatility of DCI?

As of today, DCI 1-year volatility is 24.98%

What 1-year volatility category does DCI fall into?

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

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

DCI 1-year volatility reached a 1-year high of 25.11% on February 6, 2026

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

DCI 1-year volatility reached a 1-year low of 18.81% on March 3, 2025

DCI Stock Volatility History & Chart Since 1980

10-Day

23.19%

February 13, 2026

Summary

Current Value: As of today, DCI 10-day volatility is 23.19%, down -6.64% on February 13, 2026
Value Category: Based on its current 10-day historical volatility, DCI falls into the low volatility category
1-Year High: DCI 10-day volatility reached a 1-year high of 64.35% on April 11, 2025
1-Year Low: DCI 10-day volatility reached a 1-year low of 8.64% on June 12, 2025

10-Day Volatility Chart

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Feb 13, 26	23.19%	-6.6%	+49.4%	+18.1%	+54.6%	+27.7%	+79.9%	+26.9%
1-Month Volatility	Feb 13, 26	22.80%	+2.9%	+19.8%	+46.4%	-28.7%	+29.0%	+29.3%	+24.1%
3-Month Volatility	Feb 13, 26	25.84%	-0.9%	+7.5%	+12.3%	+10.8%	+16.4%	+36.7%	+30.9%
1-Year Volatility	Feb 13, 26	24.98%	-0.2%	+1.1%	+3.5%	+1.5%	+29.2%	-2.8%	-42.9%
14-Day RSI	Feb 13, 26	72.49	-3.1%	-5.6%	+40.5%	+66.0%	+78.5%	+12.8%	+40.7%
Beta	Feb 13, 26	0.84	0.0%	-2.3%	-1.2%	-1.2%	+9.1%	-1.2%	-18.4%
ATR	Feb 13, 26	$2.11	-2.1%	+19.4%	+39.5%	+33.8%	+77.3%	+100.1%	+81.2%
Price	Feb 17, 26	$108.96	-0.5%	+7.3%	+28.4%	+22.9%	+58.9%	+69.5%	+80.6%
200-Day SMA	Feb 13, 26	$81.59	+0.3%	+5.1%	+11.7%	+7.1%	+12.3%	+48.6%	+59.5%
50-Day SMA	Feb 13, 26	$97.31	+0.4%	+7.3%	+17.4%	+10.4%	+38.9%	+59.8%	+66.7%

10-Day Volatility History

Date	Value	Change
Feb 17, 2026	23.19%	+54.6%
Dec 31, 2025	15.00%	-25.5%
Dec 31, 2024	20.13%	+130.1%
Dec 31, 2023	8.75%	-63.5%
Dec 31, 2022	24.00%	-9.1%
Dec 31, 2021	26.40%	+145.1%
Dec 31, 2020	10.77%	-0.5%
Dec 31, 2019	10.82%	-73.6%
Dec 31, 2018	40.99%	+349.9%
Dec 31, 2017	9.11%	-26.3%
Dec 31, 2016	12.36%	-12.1%
Dec 31, 2015	14.06%	-20.0%
Dec 31, 2014	17.58%	+33.0%
Dec 31, 2013	13.22%	-15.1%
Dec 31, 2012	15.57%	-34.0%
Dec 31, 2011	23.59%	+200.5%
Dec 31, 2010	7.85%	-58.9%
Dec 31, 2009	19.10%	-60.2%
Dec 31, 2008	48.02%	+20.4%
Dec 31, 2007	39.89%	+103.3%
Dec 31, 2006	19.62%	+1.4%
Dec 31, 2005	19.34%	+21.4%
Dec 31, 2004	15.93%	+77.4%
Dec 31, 2003	8.98%	-56.1%

Date	Value	Change
Dec 31, 2002	20.44%	-19.7%
Dec 31, 2001	25.45%	-65.8%
Dec 31, 2000	74.44%	+101.8%
Dec 31, 1999	36.88%	-22.1%
Dec 31, 1998	47.32%	+123.6%
Dec 31, 1997	21.16%	+11.5%
Dec 31, 1996	18.97%	+37.9%
Dec 31, 1995	13.76%	-43.7%
Dec 31, 1994	24.44%	+51.1%
Dec 31, 1993	16.17%	+14.4%
Dec 31, 1992	14.14%	-22.9%
Dec 31, 1991	18.35%	-36.3%
Dec 31, 1990	28.79%	+39.3%
Dec 31, 1989	20.67%	-17.4%
Dec 31, 1988	25.02%	-53.8%
Dec 31, 1987	54.13%	+209.1%
Dec 31, 1986	17.51%	-37.1%
Dec 31, 1985	27.82%	-10.1%
Dec 31, 1984	30.95%	-22.1%
Dec 31, 1983	39.75%	+21.6%
Dec 31, 1982	32.68%	+84.2%
Dec 31, 1981	17.74%	+87.9%
Dec 31, 1980	9.44%	-

FAQ

What is the current 10-day volatility of DCI?
As of today, DCI 10-day volatility is 23.19%
What 10-day volatility category does DCI fall into?
Based on its current 10-day historical volatility, DCI falls into the low volatility category
What is DCI 10-day volatility 1-year high?
DCI 10-day volatility reached a 1-year high of 64.35% on April 11, 2025
What is DCI 10-day volatility 1-year low?
DCI 10-day volatility reached a 1-year low of 8.64% on June 12, 2025

1-Month

22.80%

February 13, 2026

Summary

Current Value: As of today, DCI 1-month volatility is 22.80%, up +2.93% on February 13, 2026
Value Category: Based on its current 1-month historical volatility, DCI falls into the low volatility category
1-Year High: DCI 1-month volatility reached a 1-year high of 48.45% on April 25, 2025
1-Year Low: DCI 1-month volatility reached a 1-year low of 11.75% on June 27, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Feb 13, 26	22.80%	+2.9%	+19.8%	+46.4%	-28.7%	+29.0%	+29.3%	+24.1%
10-Day Volatility	Feb 13, 26	23.19%	-6.6%	+49.4%	+18.1%	+54.6%	+27.7%	+79.9%	+26.9%
3-Month Volatility	Feb 13, 26	25.84%	-0.9%	+7.5%	+12.3%	+10.8%	+16.4%	+36.7%	+30.9%
1-Year Volatility	Feb 13, 26	24.98%	-0.2%	+1.1%	+3.5%	+1.5%	+29.2%	-2.8%	-42.9%
14-Day RSI	Feb 13, 26	72.49	-3.1%	-5.6%	+40.5%	+66.0%	+78.5%	+12.8%	+40.7%
Beta	Feb 13, 26	0.84	0.0%	-2.3%	-1.2%	-1.2%	+9.1%	-1.2%	-18.4%
ATR	Feb 13, 26	$2.11	-2.1%	+19.4%	+39.5%	+33.8%	+77.3%	+100.1%	+81.2%
Price	Feb 17, 26	$108.96	-0.5%	+7.3%	+28.4%	+22.9%	+58.9%	+69.5%	+80.6%
200-Day SMA	Feb 13, 26	$81.59	+0.3%	+5.1%	+11.7%	+7.1%	+12.3%	+48.6%	+59.5%
50-Day SMA	Feb 13, 26	$97.31	+0.4%	+7.3%	+17.4%	+10.4%	+38.9%	+59.8%	+66.7%

1-Month Volatility History

Date	Value	Change
Feb 17, 2026	22.80%	-28.7%
Dec 31, 2025	32.00%	+18.0%
Dec 31, 2024	27.11%	+74.5%
Dec 31, 2023	15.54%	-16.0%
Dec 31, 2022	18.50%	-29.5%
Dec 31, 2021	26.25%	+49.7%
Dec 31, 2020	17.53%	+2.0%
Dec 31, 2019	17.19%	-63.7%
Dec 31, 2018	47.42%	+195.8%
Dec 31, 2017	16.03%	-62.3%
Dec 31, 2016	42.52%	+108.2%
Dec 31, 2015	20.42%	+10.7%
Dec 31, 2014	18.44%	+68.9%
Dec 31, 2013	10.92%	-29.0%
Dec 31, 2012	15.38%	-40.9%
Dec 31, 2011	26.01%	+94.1%
Dec 31, 2010	13.40%	-16.9%
Dec 31, 2009	16.13%	-72.4%
Dec 31, 2008	58.52%	+74.0%
Dec 31, 2007	33.63%	+88.0%
Dec 31, 2006	17.89%	+4.4%
Dec 31, 2005	17.13%	-12.9%
Dec 31, 2004	19.66%	+78.6%
Dec 31, 2003	11.01%	-43.4%

Date	Value	Change
Dec 31, 2002	19.44%	-17.1%
Dec 31, 2001	23.46%	-64.4%
Dec 31, 2000	65.97%	+104.0%
Dec 31, 1999	32.34%	-16.1%
Dec 31, 1998	38.55%	+87.2%
Dec 31, 1997	20.59%	-31.5%
Dec 31, 1996	30.07%	+122.7%
Dec 31, 1995	13.50%	-44.4%
Dec 31, 1994	24.26%	+41.0%
Dec 31, 1993	17.20%	+23.6%
Dec 31, 1992	13.92%	-31.8%
Dec 31, 1991	20.41%	-15.4%
Dec 31, 1990	24.13%	+20.9%
Dec 31, 1989	19.96%	-12.3%
Dec 31, 1988	22.75%	-58.4%
Dec 31, 1987	54.69%	+154.3%
Dec 31, 1986	21.51%	-17.1%
Dec 31, 1985	25.96%	+15.6%
Dec 31, 1984	22.45%	-35.3%
Dec 31, 1983	34.72%	-17.6%
Dec 31, 1982	42.14%	-7.1%
Dec 31, 1981	45.37%	+173.5%
Dec 31, 1980	16.59%	-

FAQ

What is the current 1-month volatility of DCI?
As of today, DCI 1-month volatility is 22.80%
What 1-month volatility category does DCI fall into?
Based on its current 1-month historical volatility, DCI falls into the low volatility category
What is DCI 1-month volatility 1-year high?
DCI 1-month volatility reached a 1-year high of 48.45% on April 25, 2025
What is DCI 1-month volatility 1-year low?
DCI 1-month volatility reached a 1-year low of 11.75% on June 27, 2025

3-Month

25.84%

February 13, 2026

Summary

Current Value: As of today, DCI 3-month volatility is 25.84%, down -0.92% on February 13, 2026
Value Category: Based on its current 3-month historical volatility, DCI falls into the moderate volatility category
1-Year High: DCI 3-month volatility reached a 1-year high of 32.92% on May 27, 2025
1-Year Low: DCI 3-month volatility reached a 1-year low of 15.40% on August 12, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Feb 13, 26	25.84%	-0.9%	+7.5%	+12.3%	+10.8%	+16.4%	+36.7%	+30.9%
10-Day Volatility	Feb 13, 26	23.19%	-6.6%	+49.4%	+18.1%	+54.6%	+27.7%	+79.9%	+26.9%
1-Month Volatility	Feb 13, 26	22.80%	+2.9%	+19.8%	+46.4%	-28.7%	+29.0%	+29.3%	+24.1%
1-Year Volatility	Feb 13, 26	24.98%	-0.2%	+1.1%	+3.5%	+1.5%	+29.2%	-2.8%	-42.9%
14-Day RSI	Feb 13, 26	72.49	-3.1%	-5.6%	+40.5%	+66.0%	+78.5%	+12.8%	+40.7%
Beta	Feb 13, 26	0.84	0.0%	-2.3%	-1.2%	-1.2%	+9.1%	-1.2%	-18.4%
ATR	Feb 13, 26	$2.11	-2.1%	+19.4%	+39.5%	+33.8%	+77.3%	+100.1%	+81.2%
Price	Feb 17, 26	$108.96	-0.5%	+7.3%	+28.4%	+22.9%	+58.9%	+69.5%	+80.6%
200-Day SMA	Feb 13, 26	$81.59	+0.3%	+5.1%	+11.7%	+7.1%	+12.3%	+48.6%	+59.5%
50-Day SMA	Feb 13, 26	$97.31	+0.4%	+7.3%	+17.4%	+10.4%	+38.9%	+59.8%	+66.7%

3-Month Volatility History

Date	Value	Change
Feb 17, 2026	25.84%	+11.6%
Dec 31, 2025	23.15%	+14.7%
Dec 31, 2024	20.19%	+12.5%
Dec 31, 2023	17.94%	-27.8%
Dec 31, 2022	24.84%	+13.7%
Dec 31, 2021	21.84%	-22.3%
Dec 31, 2020	28.10%	+54.4%
Dec 31, 2019	18.20%	-46.2%
Dec 31, 2018	33.80%	+138.2%
Dec 31, 2017	14.19%	-51.6%
Dec 31, 2016	29.29%	+18.7%
Dec 31, 2015	24.68%	+5.4%
Dec 31, 2014	23.42%	+38.9%
Dec 31, 2013	16.86%	-19.2%
Dec 31, 2012	20.86%	-40.7%
Dec 31, 2011	35.17%	+66.9%
Dec 31, 2010	21.07%	-41.0%
Dec 31, 2009	35.73%	-57.3%
Dec 31, 2008	83.67%	+156.3%
Dec 31, 2007	32.64%	+40.8%
Dec 31, 2006	23.19%	+3.3%
Dec 31, 2005	22.45%	-23.7%
Dec 31, 2004	29.44%	+80.5%
Dec 31, 2003	16.31%	-57.5%

Date	Value	Change
Dec 31, 2002	38.34%	+64.3%
Dec 31, 2001	23.34%	-46.4%
Dec 31, 2000	43.52%	+23.1%
Dec 31, 1999	35.34%	-22.2%
Dec 31, 1998	45.40%	+51.6%
Dec 31, 1997	29.94%	+46.0%
Dec 31, 1996	20.50%	+54.5%
Dec 31, 1995	13.27%	-51.5%
Dec 31, 1994	27.37%	+62.8%
Dec 31, 1993	16.81%	-15.1%
Dec 31, 1992	19.80%	+2.8%
Dec 31, 1991	19.26%	-27.6%
Dec 31, 1990	26.59%	+32.1%
Dec 31, 1989	20.13%	-29.3%
Dec 31, 1988	28.46%	-53.3%
Dec 31, 1987	60.90%	+207.7%
Dec 31, 1986	19.79%	-26.6%
Dec 31, 1985	26.98%	+30.8%
Dec 31, 1984	20.63%	-23.4%
Dec 31, 1983	26.93%	-35.7%
Dec 31, 1982	41.85%	+28.9%
Dec 31, 1981	32.47%	-3.2%
Dec 31, 1980	33.54%	-

FAQ

What is the current 3-month volatility of DCI?
As of today, DCI 3-month volatility is 25.84%
What 3-month volatility category does DCI fall into?
Based on its current 3-month historical volatility, DCI falls into the moderate volatility category
What is DCI 3-month volatility 1-year high?
DCI 3-month volatility reached a 1-year high of 32.92% on May 27, 2025
What is DCI 3-month volatility 1-year low?
DCI 3-month volatility reached a 1-year low of 15.40% on August 12, 2025

1-Year

24.98%

February 13, 2026

Summary

Current Value: As of today, DCI 1-year volatility is 24.98%, down -0.24% on February 13, 2026
Value Category: Based on its current 1-year historical volatility, DCI falls into the low volatility category
1-Year High: DCI 1-year volatility reached a 1-year high of 25.11% on February 6, 2026
1-Year Low: DCI 1-year volatility reached a 1-year low of 18.81% on March 3, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Feb 13, 26	24.98%	-0.2%	+1.1%	+3.5%	+1.5%	+29.2%	-2.8%	-42.9%
10-Day Volatility	Feb 13, 26	23.19%	-6.6%	+49.4%	+18.1%	+54.6%	+27.7%	+79.9%	+26.9%
1-Month Volatility	Feb 13, 26	22.80%	+2.9%	+19.8%	+46.4%	-28.7%	+29.0%	+29.3%	+24.1%
3-Month Volatility	Feb 13, 26	25.84%	-0.9%	+7.5%	+12.3%	+10.8%	+16.4%	+36.7%	+30.9%
1-Year Volatility	Feb 13, 26	24.98%	-0.2%	+1.1%	+3.5%	+1.5%	+29.2%	-2.8%	-42.9%
14-Day RSI	Feb 13, 26	72.49	-3.1%	-5.6%	+40.5%	+66.0%	+78.5%	+12.8%	+40.7%
Beta	Feb 13, 26	0.84	0.0%	-2.3%	-1.2%	-1.2%	+9.1%	-1.2%	-18.4%
ATR	Feb 13, 26	$2.11	-2.1%	+19.4%	+39.5%	+33.8%	+77.3%	+100.1%	+81.2%
Price	Feb 17, 26	$108.96	-0.5%	+7.3%	+28.4%	+22.9%	+58.9%	+69.5%	+80.6%
200-Day SMA	Feb 13, 26	$81.59	+0.3%	+5.1%	+11.7%	+7.1%	+12.3%	+48.6%	+59.5%
50-Day SMA	Feb 13, 26	$97.31	+0.4%	+7.3%	+17.4%	+10.4%	+38.9%	+59.8%	+66.7%

1-Year Volatility History

Date	Value	Change
Feb 17, 2026	24.98%	+1.5%
Dec 31, 2025	24.60%	+28.1%
Dec 31, 2024	19.20%	-7.3%
Dec 31, 2023	20.72%	-21.6%
Dec 31, 2022	26.44%	+18.2%
Dec 31, 2021	22.37%	-48.7%
Dec 31, 2020	43.63%	+84.4%
Dec 31, 2019	23.66%	-3.9%
Dec 31, 2018	24.63%	+35.6%
Dec 31, 2017	18.17%	-30.2%
Dec 31, 2016	26.03%	+23.5%
Dec 31, 2015	21.08%	+7.1%
Dec 31, 2014	19.68%	+11.2%
Dec 31, 2013	17.70%	-24.9%
Dec 31, 2012	23.57%	-30.9%
Dec 31, 2011	34.12%	+39.0%
Dec 31, 2010	24.54%	-43.8%
Dec 31, 2009	43.70%	-13.1%
Dec 31, 2008	50.31%	+71.9%
Dec 31, 2007	29.27%	+7.9%
Dec 31, 2006	27.12%	+45.4%
Dec 31, 2005	18.65%	-33.9%
Dec 31, 2004	28.20%	+43.9%
Dec 31, 2003	19.60%	-39.2%

Date	Value	Change
Dec 31, 2002	32.24%	+2.0%
Dec 31, 2001	31.60%	-5.1%
Dec 31, 2000	33.29%	-9.3%
Dec 31, 1999	36.70%	-13.0%
Dec 31, 1998	42.20%	+79.0%
Dec 31, 1997	23.58%	+20.7%
Dec 31, 1996	19.53%	+12.6%
Dec 31, 1995	17.34%	-33.8%
Dec 31, 1994	26.19%	+45.5%
Dec 31, 1993	18.00%	-13.2%
Dec 31, 1992	20.74%	-6.4%
Dec 31, 1991	22.15%	-25.8%
Dec 31, 1990	29.86%	+13.4%
Dec 31, 1989	26.33%	-11.3%
Dec 31, 1988	29.68%	-27.3%
Dec 31, 1987	40.84%	+42.0%
Dec 31, 1986	28.76%	+4.1%
Dec 31, 1985	27.64%	+9.5%
Dec 31, 1984	25.25%	-16.1%
Dec 31, 1983	30.09%	-5.6%
Dec 31, 1982	31.86%	+10.1%
Dec 31, 1981	28.93%	-13.9%
Dec 31, 1980	33.60%	-

FAQ

What is the current 1-year volatility of DCI?
As of today, DCI 1-year volatility is 24.98%
What 1-year volatility category does DCI fall into?
Based on its current 1-year historical volatility, DCI falls into the low volatility category
What is DCI 1-year volatility 1-year high?
DCI 1-year volatility reached a 1-year high of 25.11% on February 6, 2026
What is DCI 1-year volatility 1-year low?
DCI 1-year volatility reached a 1-year low of 18.81% on March 3, 2025

Data Sources & References

DCI Official Website www.donaldson.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/29644/000002964425000147/0000029644-25-000147-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/29644/000002964425000098/0000029644-25-000098-index.htm
DCI Profile on Yahoo Finance finance.yahoo.com/quote/DCI
DCI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/dci