What is the current 10-day volatility of DCI?

As of today, DCI 10-day volatility is 20.31%

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 63.99% on March 11, 2026

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

DCI 10-day volatility reached a 1-year low of 8.98% on February 24, 2026

What is the current 1-month volatility of DCI?

As of today, DCI 1-month volatility is 21.82%

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 49.93% on March 2, 2026

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

DCI 1-month volatility reached a 1-year low of 12.56% on November 12, 2025

What is the current 3-month volatility of DCI?

As of today, DCI 3-month volatility is 24.14%

What 3-month volatility category does DCI fall into?

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

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

DCI 3-month volatility reached a 1-year high of 36.32% on March 3, 2026

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

DCI 3-month volatility reached a 1-year low of 15.76% on November 28, 2025

What is the current 1-year volatility of DCI?

As of today, DCI 1-year volatility is 27.19%

What 1-year volatility category does DCI fall into?

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

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

DCI 1-year volatility reached a 1-year high of 28.14% on April 1, 2026

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

DCI 1-year volatility reached a 1-year low of 22.68% on August 14, 2025

DCI Stock Volatility History & Chart Since 1980

10-Day

20.31%

August 14, 2026

Summary

Current Value: As of today, DCI 10-day volatility is 20.31%, down -6.49% on August 14, 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 63.99% on March 11, 2026
1-Year Low: DCI 10-day volatility reached a 1-year low of 8.98% on February 24, 2026

10-Day Volatility Chart

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 14, 26	20.31%	-6.5%	-16.6%	+1.6%	+35.4%	-10.2%	+29.3%	+48.7%
1-Month Volatility	Aug 14, 26	21.82%	+0.9%	-7.5%	-1.4%	-31.8%	+28.0%	+84.9%	+10.5%
3-Month Volatility	Aug 14, 26	24.14%	-1.4%	-3.0%	-27.2%	+3.5%	+44.8%	+1.9%	+23.5%
1-Year Volatility	Aug 14, 26	27.19%	-0.2%	+1.2%	+6.2%	+10.5%	+19.9%	+17.1%	+8.2%
14-Day RSI	Aug 14, 26	58.33	+1.3%	+1.3%	+51.6%	+33.6%	-8.2%	+11.1%	-12.5%
Beta	Aug 14, 26	0.89	-1.1%	-1.1%	-5.3%	+4.7%	+4.7%	+3.5%	-15.2%
ATR	Aug 14, 26	$2.09	-2.4%	+4.3%	+4.6%	+32.0%	+71.8%	+111.1%	+98.5%
Price	Aug 14, 26	$95.95	+0.3%	+6.9%	+14.4%	+8.2%	+29.2%	+53.0%	+40.5%
200-Day SMA	Aug 14, 26	$90.90	+0.1%	+1.5%	+3.5%	+19.3%	+29.8%	+47.0%	+51.5%
50-Day SMA	Aug 14, 26	$90.32	+0.2%	+5.3%	+4.1%	+2.5%	+27.6%	+46.1%	+40.0%
20-Day SMA	Aug 14, 26	$94.63	+0.3%	+7.6%	+8.9%	+3.5%	+31.2%	+51.2%	+42.6%

10-Day Volatility History

Date	Value	Change
Aug 14, 2026	20.31%	+35.4%
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 20.31%
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 63.99% on March 11, 2026
What is DCI 10-day volatility 1-year low?: DCI 10-day volatility reached a 1-year low of 8.98% on February 24, 2026

1-Month

21.82%

August 14, 2026

Summary

Current Value: As of today, DCI 1-month volatility is 21.82%, up +0.88% on August 14, 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 49.93% on March 2, 2026
1-Year Low: DCI 1-month volatility reached a 1-year low of 12.56% on November 12, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 14, 26	21.82%	+0.9%	-7.5%	-1.4%	-31.8%	+28.0%	+84.9%	+10.5%
10-Day Volatility	Aug 14, 26	20.31%	-6.5%	-16.6%	+1.6%	+35.4%	-10.2%	+29.3%	+48.7%
3-Month Volatility	Aug 14, 26	24.14%	-1.4%	-3.0%	-27.2%	+3.5%	+44.8%	+1.9%	+23.5%
1-Year Volatility	Aug 14, 26	27.19%	-0.2%	+1.2%	+6.2%	+10.5%	+19.9%	+17.1%	+8.2%
14-Day RSI	Aug 14, 26	58.33	+1.3%	+1.3%	+51.6%	+33.6%	-8.2%	+11.1%	-12.5%
Beta	Aug 14, 26	0.89	-1.1%	-1.1%	-5.3%	+4.7%	+4.7%	+3.5%	-15.2%
ATR	Aug 14, 26	$2.09	-2.4%	+4.3%	+4.6%	+32.0%	+71.8%	+111.1%	+98.5%
Price	Aug 14, 26	$95.95	+0.3%	+6.9%	+14.4%	+8.2%	+29.2%	+53.0%	+40.5%
200-Day SMA	Aug 14, 26	$90.90	+0.1%	+1.5%	+3.5%	+19.3%	+29.8%	+47.0%	+51.5%
50-Day SMA	Aug 14, 26	$90.32	+0.2%	+5.3%	+4.1%	+2.5%	+27.6%	+46.1%	+40.0%
20-Day SMA	Aug 14, 26	$94.63	+0.3%	+7.6%	+8.9%	+3.5%	+31.2%	+51.2%	+42.6%

1-Month Volatility History

Date	Value	Change
Aug 14, 2026	21.62%	-32.4%
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 21.82%
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 49.93% on March 2, 2026
What is DCI 1-month volatility 1-year low?: DCI 1-month volatility reached a 1-year low of 12.56% on November 12, 2025

3-Month

24.14%

August 14, 2026

Summary

Current Value: As of today, DCI 3-month volatility is 24.14%, down -1.39% on August 14, 2026
Value Category: Based on its current 3-month historical volatility, DCI falls into the low volatility category
1-Year High: DCI 3-month volatility reached a 1-year high of 36.32% on March 3, 2026
1-Year Low: DCI 3-month volatility reached a 1-year low of 15.76% on November 28, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 14, 26	24.14%	-1.4%	-3.0%	-27.2%	+3.5%	+44.8%	+1.9%	+23.5%
10-Day Volatility	Aug 14, 26	20.31%	-6.5%	-16.6%	+1.6%	+35.4%	-10.2%	+29.3%	+48.7%
1-Month Volatility	Aug 14, 26	21.82%	+0.9%	-7.5%	-1.4%	-31.8%	+28.0%	+84.9%	+10.5%
1-Year Volatility	Aug 14, 26	27.19%	-0.2%	+1.2%	+6.2%	+10.5%	+19.9%	+17.1%	+8.2%
14-Day RSI	Aug 14, 26	58.33	+1.3%	+1.3%	+51.6%	+33.6%	-8.2%	+11.1%	-12.5%
Beta	Aug 14, 26	0.89	-1.1%	-1.1%	-5.3%	+4.7%	+4.7%	+3.5%	-15.2%
ATR	Aug 14, 26	$2.09	-2.4%	+4.3%	+4.6%	+32.0%	+71.8%	+111.1%	+98.5%
Price	Aug 14, 26	$95.95	+0.3%	+6.9%	+14.4%	+8.2%	+29.2%	+53.0%	+40.5%
200-Day SMA	Aug 14, 26	$90.90	+0.1%	+1.5%	+3.5%	+19.3%	+29.8%	+47.0%	+51.5%
50-Day SMA	Aug 14, 26	$90.32	+0.2%	+5.3%	+4.1%	+2.5%	+27.6%	+46.1%	+40.0%
20-Day SMA	Aug 14, 26	$94.63	+0.3%	+7.6%	+8.9%	+3.5%	+31.2%	+51.2%	+42.6%

3-Month Volatility History

Date	Value	Change
Aug 14, 2026	24.47%	+5.7%
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 24.14%
What 3-month volatility category does DCI fall into?: Based on its current 3-month historical volatility, DCI falls into the low volatility category
What is DCI 3-month volatility 1-year high?: DCI 3-month volatility reached a 1-year high of 36.32% on March 3, 2026
What is DCI 3-month volatility 1-year low?: DCI 3-month volatility reached a 1-year low of 15.76% on November 28, 2025

1-Year

27.19%

August 14, 2026

Summary

Current Value: As of today, DCI 1-year volatility is 27.19%, down -0.18% on August 14, 2026
Value Category: Based on its current 1-year historical volatility, DCI falls into the moderate volatility category
1-Year High: DCI 1-year volatility reached a 1-year high of 28.14% on April 1, 2026
1-Year Low: DCI 1-year volatility reached a 1-year low of 22.68% on August 14, 2025

Performance

DCI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 14, 26	27.19%	-0.2%	+1.2%	+6.2%	+10.5%	+19.9%	+17.1%	+8.2%
10-Day Volatility	Aug 14, 26	20.31%	-6.5%	-16.6%	+1.6%	+35.4%	-10.2%	+29.3%	+48.7%
1-Month Volatility	Aug 14, 26	21.82%	+0.9%	-7.5%	-1.4%	-31.8%	+28.0%	+84.9%	+10.5%
3-Month Volatility	Aug 14, 26	24.14%	-1.4%	-3.0%	-27.2%	+3.5%	+44.8%	+1.9%	+23.5%
1-Year Volatility	Aug 14, 26	27.19%	-0.2%	+1.2%	+6.2%	+10.5%	+19.9%	+17.1%	+8.2%
14-Day RSI	Aug 14, 26	58.33	+1.3%	+1.3%	+51.6%	+33.6%	-8.2%	+11.1%	-12.5%
Beta	Aug 14, 26	0.89	-1.1%	-1.1%	-5.3%	+4.7%	+4.7%	+3.5%	-15.2%
ATR	Aug 14, 26	$2.09	-2.4%	+4.3%	+4.6%	+32.0%	+71.8%	+111.1%	+98.5%
Price	Aug 14, 26	$95.95	+0.3%	+6.9%	+14.4%	+8.2%	+29.2%	+53.0%	+40.5%
200-Day SMA	Aug 14, 26	$90.90	+0.1%	+1.5%	+3.5%	+19.3%	+29.8%	+47.0%	+51.5%
50-Day SMA	Aug 14, 26	$90.32	+0.2%	+5.3%	+4.1%	+2.5%	+27.6%	+46.1%	+40.0%
20-Day SMA	Aug 14, 26	$94.63	+0.3%	+7.6%	+8.9%	+3.5%	+31.2%	+51.2%	+42.6%

1-Year Volatility History

Date	Value	Change
Aug 14, 2026	27.17%	+10.4%
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 27.19%
What 1-year volatility category does DCI fall into?: Based on its current 1-year historical volatility, DCI falls into the moderate volatility category
What is DCI 1-year volatility 1-year high?: DCI 1-year volatility reached a 1-year high of 28.14% on April 1, 2026
What is DCI 1-year volatility 1-year low?: DCI 1-year volatility reached a 1-year low of 22.68% on August 14, 2025

Data Sources & References

DCI Official Website www.donaldson.com
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