What is the current 10-day volatility of ALE?

As of today, ALE 10-day volatility is 3.08%

What 10-day volatility category does ALE fall into?

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

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

ALE 10-day volatility reached a 1-year high of 19.64% on September 25, 2025

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

ALE 10-day volatility reached a 1-year low of 0.80% on November 5, 2025

What is the current 1-month volatility of ALE?

As of today, ALE 1-month volatility is 4.49%

What 1-month volatility category does ALE fall into?

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

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

ALE 1-month volatility reached a 1-year high of 14.84% on September 28, 2025

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

ALE 1-month volatility reached a 1-year low of 0.96% on November 6, 2025

What is the current 3-month volatility of ALE?

As of today, ALE 3-month volatility is 1.94%

What 3-month volatility category does ALE fall into?

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

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

ALE 3-month volatility reached a 1-year high of 10.24% on September 27, 2025

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

ALE 3-month volatility reached a 1-year low of 1.89% on January 3, 2026

What is the current 1-year volatility of ALE?

As of today, ALE 1-year volatility is 6.77%

What 1-year volatility category does ALE fall into?

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

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

ALE 1-year volatility reached a 1-year high of 13.24% on January 23, 2025

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

ALE 1-year volatility reached a 1-year low of 5.57% on August 8, 2025

ALLETE, Inc. (ALE) Stock Volatility History & Chart

10-Day

3.08%

December 12, 2025

Summary

Current Value: As of today, ALE 10-day volatility is 3.08%, with unknown change on December 12, 2025
Value Category: Based on its current 10-day historical volatility, ALE falls into the very low volatility category
1-Year High: ALE 10-day volatility reached a 1-year high of 19.64% on September 25, 2025
1-Year Low: ALE 10-day volatility reached a 1-year low of 0.80% on November 5, 2025

10-Day Volatility Chart

Performance

ALE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Dec 12, 25	3.08%	–	0.0%	+224.2%	0.0%	-42.5%	-82.3%	-91.4%
1-Month Volatility	Dec 12, 25	4.49%	–	+69.4%	-50.0%	+37.7%	-5.1%	-77.8%	-86.3%
3-Month Volatility	Dec 12, 25	1.94%	–	-67.5%	-78.5%	-20.2%	-62.2%	-92.4%	-95.0%
1-Year Volatility	Dec 12, 25	6.77%	–	+1.4%	-1.6%	+0.9%	-48.9%	-72.9%	-87.2%
14-Day RSI	Dec 12, 25	66.71	–	0.0%	-9.2%	0.0%	+5.9%	+60.7%	+16.6%
Beta	Dec 12, 25	0.08	–	0.0%	-11.1%	0.0%	-63.6%	-84.6%	-92.8%
ATR	Dec 12, 25	$0.16	–	0.0%	-42.5%	0.0%	-53.6%	-87.6%	-91.2%
Price	Dec 12, 25	$67.90	–	0.0%	+0.8%	0.0%	+3.4%	+7.5%	+3.3%
200-Day SMA	Dec 12, 25	$65.67	–	0.0%	+0.5%	0.0%	+3.4%	+9.0%	+15.2%
50-Day SMA	Dec 12, 25	$67.45	–	0.0%	+3.3%	0.0%	+4.0%	+4.3%	+11.1%

10-Day Volatility History

Date	Value	Change
Dec 31, 2025	3.08%	-39.6%
Dec 31, 2024	5.10%	-59.7%
Dec 31, 2023	12.64%	-22.0%
Dec 31, 2022	16.20%	+49.9%
Dec 31, 2021	10.81%	-65.4%
Dec 31, 2020	31.23%	+165.8%
Dec 31, 2019	11.75%	-65.0%
Dec 31, 2018	33.61%	+78.4%
Dec 31, 2017	18.84%	+25.9%
Dec 31, 2016	14.96%	-12.7%
Dec 31, 2015	17.14%	-41.1%
Dec 31, 2014	29.08%	+106.2%
Dec 31, 2013	14.10%	-23.9%
Dec 31, 2012	18.54%	-0.3%
Dec 31, 2011	18.59%	+173.4%
Dec 31, 2010	6.80%	-61.5%
Dec 31, 2009	17.68%	-5.3%
Dec 31, 2008	18.67%	-23.4%
Dec 31, 2007	24.37%	+44.4%
Dec 31, 2006	16.88%	+19.7%
Dec 31, 2005	14.10%	+5.9%
Dec 31, 2004	13.31%	+0.3%
Dec 31, 2003	13.27%	-31.8%
Dec 31, 2002	19.47%	+33.5%
Dec 31, 2001	14.58%	-47.7%

Date	Value	Change
Dec 31, 2000	27.89%	-20.3%
Dec 31, 1999	34.99%	+94.8%
Dec 31, 1998	17.96%	-22.4%
Dec 31, 1997	23.14%	+76.0%
Dec 31, 1996	13.15%	-10.7%
Dec 31, 1995	14.73%	-34.2%
Dec 31, 1994	22.38%	+91.6%
Dec 31, 1993	11.68%	-28.6%
Dec 31, 1992	16.35%	+22.8%
Dec 31, 1991	13.31%	+53.2%
Dec 31, 1990	8.69%	-28.4%
Dec 31, 1989	12.14%	+82.0%
Dec 31, 1988	6.67%	-74.3%
Dec 31, 1987	25.93%	+27.2%
Dec 31, 1986	20.38%	+403.2%
Dec 31, 1985	4.05%	-75.8%
Dec 31, 1984	16.71%	+84.6%
Dec 31, 1983	9.05%	-45.9%
Dec 31, 1982	16.72%	+80.2%
Dec 31, 1981	9.28%	-80.7%
Dec 31, 1980	48.07%	+172.8%
Dec 31, 1979	17.62%	+54.7%
Dec 31, 1978	11.39%	-32.2%
Dec 31, 1977	16.81%	+16.5%
Dec 31, 1976	14.43%	-

FAQ

What is the current 10-day volatility of ALE?
As of today, ALE 10-day volatility is 3.08%
What 10-day volatility category does ALE fall into?
Based on its current 10-day historical volatility, ALE falls into the very low volatility category
What is ALE 10-day volatility 1-year high?
ALE 10-day volatility reached a 1-year high of 19.64% on September 25, 2025
What is ALE 10-day volatility 1-year low?
ALE 10-day volatility reached a 1-year low of 0.80% on November 5, 2025

1-Month

4.49%

December 12, 2025

Summary

Current Value: As of today, ALE 1-month volatility is 4.49%, with unknown change on December 12, 2025
Value Category: Based on its current 1-month historical volatility, ALE falls into the very low volatility category
1-Year High: ALE 1-month volatility reached a 1-year high of 14.84% on September 28, 2025
1-Year Low: ALE 1-month volatility reached a 1-year low of 0.96% on November 6, 2025

Performance

ALE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Dec 12, 25	4.49%	–	+69.4%	-50.0%	+37.7%	-5.1%	-77.8%	-86.3%
10-Day Volatility	Dec 12, 25	3.08%	–	0.0%	+224.2%	0.0%	-42.5%	-82.3%	-91.4%
3-Month Volatility	Dec 12, 25	1.94%	–	-67.5%	-78.5%	-20.2%	-62.2%	-92.4%	-95.0%
1-Year Volatility	Dec 12, 25	6.77%	–	+1.4%	-1.6%	+0.9%	-48.9%	-72.9%	-87.2%
14-Day RSI	Dec 12, 25	66.71	–	0.0%	-9.2%	0.0%	+5.9%	+60.7%	+16.6%
Beta	Dec 12, 25	0.08	–	0.0%	-11.1%	0.0%	-63.6%	-84.6%	-92.8%
ATR	Dec 12, 25	$0.16	–	0.0%	-42.5%	0.0%	-53.6%	-87.6%	-91.2%
Price	Dec 12, 25	$67.90	–	0.0%	+0.8%	0.0%	+3.4%	+7.5%	+3.3%
200-Day SMA	Dec 12, 25	$65.67	–	0.0%	+0.5%	0.0%	+3.4%	+9.0%	+15.2%
50-Day SMA	Dec 12, 25	$67.45	–	0.0%	+3.3%	0.0%	+4.0%	+4.3%	+11.1%

1-Month Volatility History

Date	Value	Change
Dec 31, 2025	3.08%	-31.4%
Dec 31, 2024	4.49%	-85.4%
Dec 31, 2023	30.65%	+122.4%
Dec 31, 2022	13.78%	-23.2%
Dec 31, 2021	17.95%	-29.9%
Dec 31, 2020	25.59%	+94.2%
Dec 31, 2019	13.18%	-50.8%
Dec 31, 2018	26.78%	+54.4%
Dec 31, 2017	17.35%	-6.5%
Dec 31, 2016	18.55%	-19.4%
Dec 31, 2015	23.01%	+4.2%
Dec 31, 2014	22.09%	+63.3%
Dec 31, 2013	13.53%	-2.0%
Dec 31, 2012	13.80%	-24.8%
Dec 31, 2011	18.35%	+78.8%
Dec 31, 2010	10.26%	-51.1%
Dec 31, 2009	20.99%	-54.6%
Dec 31, 2008	46.21%	+119.0%
Dec 31, 2007	21.10%	+38.3%
Dec 31, 2006	15.26%	+8.2%
Dec 31, 2005	14.10%	+17.6%
Dec 31, 2004	11.99%	-2.2%
Dec 31, 2003	12.26%	-47.2%
Dec 31, 2002	23.20%	+47.1%
Dec 31, 2001	15.77%	-54.5%

Date	Value	Change
Dec 31, 2000	34.69%	+28.5%
Dec 31, 1999	26.99%	+57.3%
Dec 31, 1998	17.16%	-4.2%
Dec 31, 1997	17.91%	+49.9%
Dec 31, 1996	11.95%	-14.9%
Dec 31, 1995	14.04%	-18.4%
Dec 31, 1994	17.20%	+51.0%
Dec 31, 1993	11.39%	-17.0%
Dec 31, 1992	13.72%	-15.8%
Dec 31, 1991	16.29%	+58.8%
Dec 31, 1990	10.26%	-6.9%
Dec 31, 1989	11.02%	+10.1%
Dec 31, 1988	10.01%	-51.5%
Dec 31, 1987	20.66%	+14.9%
Dec 31, 1986	17.98%	+36.4%
Dec 31, 1985	13.18%	-10.6%
Dec 31, 1984	14.75%	+53.3%
Dec 31, 1983	9.62%	-37.1%
Dec 31, 1982	15.29%	+17.6%
Dec 31, 1981	13.00%	-62.8%
Dec 31, 1980	34.96%	+100.1%
Dec 31, 1979	17.47%	+22.8%
Dec 31, 1978	14.23%	-2.0%
Dec 31, 1977	14.52%	+8.0%
Dec 31, 1976	13.45%	-

FAQ

What is the current 1-month volatility of ALE?
As of today, ALE 1-month volatility is 4.49%
What 1-month volatility category does ALE fall into?
Based on its current 1-month historical volatility, ALE falls into the very low volatility category
What is ALE 1-month volatility 1-year high?
ALE 1-month volatility reached a 1-year high of 14.84% on September 28, 2025
What is ALE 1-month volatility 1-year low?
ALE 1-month volatility reached a 1-year low of 0.96% on November 6, 2025

3-Month

1.94%

December 12, 2025

Summary

Current Value: As of today, ALE 3-month volatility is 1.94%, with unknown change on December 12, 2025
Value Category: Based on its current 3-month historical volatility, ALE falls into the very low volatility category
1-Year High: ALE 3-month volatility reached a 1-year high of 10.24% on September 27, 2025
1-Year Low: ALE 3-month volatility reached a 1-year low of 1.89% on January 3, 2026

Performance

ALE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Dec 12, 25	1.94%	–	-67.5%	-78.5%	-20.2%	-62.2%	-92.4%	-95.0%
10-Day Volatility	Dec 12, 25	3.08%	–	0.0%	+224.2%	0.0%	-42.5%	-82.3%	-91.4%
1-Month Volatility	Dec 12, 25	4.49%	–	+69.4%	-50.0%	+37.7%	-5.1%	-77.8%	-86.3%
1-Year Volatility	Dec 12, 25	6.77%	–	+1.4%	-1.6%	+0.9%	-48.9%	-72.9%	-87.2%
14-Day RSI	Dec 12, 25	66.71	–	0.0%	-9.2%	0.0%	+5.9%	+60.7%	+16.6%
Beta	Dec 12, 25	0.08	–	0.0%	-11.1%	0.0%	-63.6%	-84.6%	-92.8%
ATR	Dec 12, 25	$0.16	–	0.0%	-42.5%	0.0%	-53.6%	-87.6%	-91.2%
Price	Dec 12, 25	$67.90	–	0.0%	+0.8%	0.0%	+3.4%	+7.5%	+3.3%
200-Day SMA	Dec 12, 25	$65.67	–	0.0%	+0.5%	0.0%	+3.4%	+9.0%	+15.2%
50-Day SMA	Dec 12, 25	$67.45	–	0.0%	+3.3%	0.0%	+4.0%	+4.3%	+11.1%

3-Month Volatility History

Date	Value	Change
Dec 31, 2025	2.57%	-45.9%
Dec 31, 2024	4.75%	-82.2%
Dec 31, 2023	26.72%	-12.1%
Dec 31, 2022	30.39%	+37.1%
Dec 31, 2021	22.17%	-37.4%
Dec 31, 2020	35.41%	+158.7%
Dec 31, 2019	13.69%	-36.7%
Dec 31, 2018	21.63%	+40.1%
Dec 31, 2017	15.44%	-25.6%
Dec 31, 2016	20.76%	-4.4%
Dec 31, 2015	21.72%	+14.7%
Dec 31, 2014	18.94%	+37.6%
Dec 31, 2013	13.76%	+8.7%
Dec 31, 2012	12.66%	-41.8%
Dec 31, 2011	21.75%	+93.7%
Dec 31, 2010	11.23%	-41.8%
Dec 31, 2009	19.29%	-68.6%
Dec 31, 2008	61.48%	+160.7%
Dec 31, 2007	23.58%	+91.7%
Dec 31, 2006	12.30%	-44.4%
Dec 31, 2005	22.11%	+15.9%
Dec 31, 2004	19.07%	-7.7%
Dec 31, 2003	20.65%	-39.0%
Dec 31, 2002	33.83%	+50.6%
Dec 31, 2001	22.46%	-26.9%

Date	Value	Change
Dec 31, 2000	30.72%	+27.8%
Dec 31, 1999	24.04%	+26.9%
Dec 31, 1998	18.94%	+8.8%
Dec 31, 1997	17.41%	+37.4%
Dec 31, 1996	12.67%	-19.9%
Dec 31, 1995	15.81%	+3.1%
Dec 31, 1994	15.33%	+0.7%
Dec 31, 1993	15.23%	+28.4%
Dec 31, 1992	11.86%	-10.3%
Dec 31, 1991	13.22%	-15.6%
Dec 31, 1990	15.66%	+25.6%
Dec 31, 1989	12.47%	-6.0%
Dec 31, 1988	13.27%	-77.6%
Dec 31, 1987	59.15%	+198.4%
Dec 31, 1986	19.82%	+30.5%
Dec 31, 1985	15.19%	-5.9%
Dec 31, 1984	16.14%	+15.8%
Dec 31, 1983	13.94%	-40.3%
Dec 31, 1982	23.35%	+22.4%
Dec 31, 1981	19.07%	-39.9%
Dec 31, 1980	31.74%	+86.6%
Dec 31, 1979	17.01%	+11.1%
Dec 31, 1978	15.31%	-0.5%
Dec 31, 1977	15.39%	-5.9%
Dec 31, 1976	16.35%	-

FAQ

What is the current 3-month volatility of ALE?
As of today, ALE 3-month volatility is 1.94%
What 3-month volatility category does ALE fall into?
Based on its current 3-month historical volatility, ALE falls into the very low volatility category
What is ALE 3-month volatility 1-year high?
ALE 3-month volatility reached a 1-year high of 10.24% on September 27, 2025
What is ALE 3-month volatility 1-year low?
ALE 3-month volatility reached a 1-year low of 1.89% on January 3, 2026

1-Year

6.77%

December 12, 2025

Summary

Current Value: As of today, ALE 1-year volatility is 6.77%, with unknown change on December 12, 2025
Value Category: Based on its current 1-year historical volatility, ALE falls into the very low volatility category
1-Year High: ALE 1-year volatility reached a 1-year high of 13.24% on January 23, 2025
1-Year Low: ALE 1-year volatility reached a 1-year low of 5.57% on August 8, 2025

Performance

ALE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Dec 12, 25	6.77%	–	+1.4%	-1.6%	+0.9%	-48.9%	-72.9%	-87.2%
10-Day Volatility	Dec 12, 25	3.08%	–	0.0%	+224.2%	0.0%	-42.5%	-82.3%	-91.4%
1-Month Volatility	Dec 12, 25	4.49%	–	+69.4%	-50.0%	+37.7%	-5.1%	-77.8%	-86.3%
3-Month Volatility	Dec 12, 25	1.94%	–	-67.5%	-78.5%	-20.2%	-62.2%	-92.4%	-95.0%
1-Year Volatility	Dec 12, 25	6.77%	–	+1.4%	-1.6%	+0.9%	-48.9%	-72.9%	-87.2%
14-Day RSI	Dec 12, 25	66.71	–	0.0%	-9.2%	0.0%	+5.9%	+60.7%	+16.6%
Beta	Dec 12, 25	0.08	–	0.0%	-11.1%	0.0%	-63.6%	-84.6%	-92.8%
ATR	Dec 12, 25	$0.16	–	0.0%	-42.5%	0.0%	-53.6%	-87.6%	-91.2%
Price	Dec 12, 25	$67.90	–	0.0%	+0.8%	0.0%	+3.4%	+7.5%	+3.3%
200-Day SMA	Dec 12, 25	$65.67	–	0.0%	+0.5%	0.0%	+3.4%	+9.0%	+15.2%
50-Day SMA	Dec 12, 25	$67.45	–	0.0%	+3.3%	0.0%	+4.0%	+4.3%	+11.1%

1-Year Volatility History

Date	Value	Change
Dec 31, 2025	6.71%	-51.0%
Dec 31, 2024	13.68%	-39.9%
Dec 31, 2023	22.75%	-9.0%
Dec 31, 2022	25.00%	+6.2%
Dec 31, 2021	23.53%	-54.7%
Dec 31, 2020	51.96%	+225.8%
Dec 31, 2019	15.95%	-13.9%
Dec 31, 2018	18.53%	+40.2%
Dec 31, 2017	13.22%	-32.2%
Dec 31, 2016	19.51%	-4.4%
Dec 31, 2015	20.41%	+31.6%
Dec 31, 2014	15.51%	+2.4%
Dec 31, 2013	15.14%	+21.1%
Dec 31, 2012	12.50%	-39.9%
Dec 31, 2011	20.81%	+10.8%
Dec 31, 2010	18.79%	-25.9%
Dec 31, 2009	25.35%	-34.2%
Dec 31, 2008	38.54%	+78.0%
Dec 31, 2007	21.65%	+39.8%
Dec 31, 2006	15.49%	-25.1%
Dec 31, 2005	20.67%	-20.3%
Dec 31, 2004	25.93%	+15.9%
Dec 31, 2003	22.38%	-32.2%
Dec 31, 2002	32.99%	+26.2%
Dec 31, 2001	26.14%	-25.2%

Date	Value	Change
Dec 31, 2000	34.95%	+75.5%
Dec 31, 1999	19.92%	+16.8%
Dec 31, 1998	17.05%	+8.0%
Dec 31, 1997	15.79%	+6.6%
Dec 31, 1996	14.81%	-0.6%
Dec 31, 1995	14.90%	-17.9%
Dec 31, 1994	18.14%	+48.6%
Dec 31, 1993	12.21%	+9.3%
Dec 31, 1992	11.17%	-26.3%
Dec 31, 1991	15.16%	+3.3%
Dec 31, 1990	14.68%	+11.5%
Dec 31, 1989	13.17%	-27.4%
Dec 31, 1988	18.14%	-53.5%
Dec 31, 1987	39.03%	+55.4%
Dec 31, 1986	25.12%	+52.5%
Dec 31, 1985	16.47%	+10.2%
Dec 31, 1984	14.94%	+4.7%
Dec 31, 1983	14.27%	-36.3%
Dec 31, 1982	22.41%	+3.1%
Dec 31, 1981	21.74%	-13.8%
Dec 31, 1980	25.21%	+64.1%
Dec 31, 1979	15.36%	-0.2%
Dec 31, 1978	15.39%	+9.0%
Dec 31, 1977	14.12%	-12.0%
Dec 31, 1976	16.05%	-

FAQ

What is the current 1-year volatility of ALE?
As of today, ALE 1-year volatility is 6.77%
What 1-year volatility category does ALE fall into?
Based on its current 1-year historical volatility, ALE falls into the very low volatility category
What is ALE 1-year volatility 1-year high?
ALE 1-year volatility reached a 1-year high of 13.24% on January 23, 2025
What is ALE 1-year volatility 1-year low?
ALE 1-year volatility reached a 1-year low of 5.57% on August 8, 2025

Data Sources & References

ALE Official Website www.allete.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/66756/000006675625000088/0000066756-25-000088-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/66756/000006675625000013/0000066756-25-000013-index.htm
ALE Profile on Yahoo Finance finance.yahoo.com/quote/ALE
ALE Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ale