What is the current 10-day volatility of BKH?

As of today, BKH 10-day volatility is 20.67%

What 10-day volatility category does BKH fall into?

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

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

BKH 10-day volatility reached a 1-year high of 37.13% on January 30, 2025

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

BKH 10-day volatility reached a 1-year low of 7.92% on September 30, 2025

What is the current 1-month volatility of BKH?

As of today, BKH 1-month volatility is 21.92%

What 1-month volatility category does BKH fall into?

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

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

BKH 1-month volatility reached a 1-year high of 28.83% on February 2, 2025

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

BKH 1-month volatility reached a 1-year low of 11.88% on March 1, 2025

What is the current 3-month volatility of BKH?

As of today, BKH 3-month volatility is 22.15%

What 3-month volatility category does BKH fall into?

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

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

BKH 3-month volatility reached a 1-year high of 23.39% on January 30, 2025

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

BKH 3-month volatility reached a 1-year low of 15.25% on September 25, 2025

What is the current 1-year volatility of BKH?

As of today, BKH 1-year volatility is 19.94%

What 1-year volatility category does BKH fall into?

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

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

BKH 1-year volatility reached a 1-year high of 20.13% on January 28, 2025

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

BKH 1-year volatility reached a 1-year low of 18.61% on August 5, 2025

BKH Stock Volatility History & Chart Since 1973

10-Day

20.67%

January 9, 2026

Summary

Current Value: As of today, BKH 10-day volatility is 20.67%, up +2.53% on January 9, 2026
Value Category: Based on its current 10-day historical volatility, BKH falls into the low volatility category
1-Year High: BKH 10-day volatility reached a 1-year high of 37.13% on January 30, 2025
1-Year Low: BKH 10-day volatility reached a 1-year low of 7.92% on September 30, 2025

10-Day Volatility Chart

Performance

BKH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 9, 26	20.67%	+2.5%	+10.9%	+14.5%	+2.5%	+52.1%	-14.2%	-37.2%
1-Month Volatility	Jan 9, 26	21.92%	+1.6%	+13.6%	+47.4%	+21.5%	+27.7%	+6.4%	-34.8%
3-Month Volatility	Jan 9, 26	22.15%	-0.4%	+10.5%	+36.8%	+4.0%	+13.1%	-11.3%	-30.6%
1-Year Volatility	Jan 9, 26	19.94%	-0.1%	+1.2%	+3.8%	+0.9%	+0.9%	-21.4%	-61.2%
14-Day RSI	Jan 9, 26	54.28	-5.0%	-2.5%	-4.7%	+12.5%	+118.4%	-2.6%	+16.4%
Beta	Jan 9, 26	0.23	0.0%	-14.8%	-17.9%	0.0%	-41.0%	-51.1%	-80.7%
ATR	Jan 9, 26	$1.51	+3.0%	+11.1%	+76.3%	+20.2%	+39.8%	+1.5%	-13.0%
Price	Jan 9, 26	$70.72	-0.7%	+0.3%	+15.8%	+1.9%	+25.8%	-0.6%	+19.1%
200-Day SMA	Jan 9, 26	$61.86	+0.1%	+1.7%	+5.0%	+0.5%	+7.1%	-14.6%	+4.4%
50-Day SMA	Jan 9, 26	$69.72	+0.1%	+4.8%	+16.3%	+0.8%	+15.1%	+1.5%	+14.9%

10-Day Volatility History

Date	Value	Change
Jan 9, 2026	20.67%	+2.5%
Dec 31, 2025	20.16%	-9.1%
Dec 31, 2024	22.17%	+21.1%
Dec 31, 2023	18.30%	+17.4%
Dec 31, 2022	15.59%	+13.5%
Dec 31, 2021	13.74%	-53.9%
Dec 31, 2020	29.82%	+204.9%
Dec 31, 2019	9.78%	-71.7%
Dec 31, 2018	34.52%	+124.7%
Dec 31, 2017	15.36%	-17.7%
Dec 31, 2016	18.67%	-7.8%
Dec 31, 2015	20.25%	-24.9%
Dec 31, 2014	26.98%	+57.5%
Dec 31, 2013	17.13%	-8.3%
Dec 31, 2012	18.69%	-27.6%
Dec 31, 2011	25.81%	+253.6%
Dec 31, 2010	7.30%	-67.3%
Dec 31, 2009	22.31%	-38.1%
Dec 31, 2008	36.02%	+74.8%
Dec 31, 2007	20.61%	+6.8%
Dec 31, 2006	19.29%	+10.3%
Dec 31, 2005	17.49%	+46.7%
Dec 31, 2004	11.92%	-83.3%
Dec 31, 2003	71.30%	+148.3%
Dec 31, 2002	28.71%	+30.0%
Dec 31, 2001	22.09%	-55.0%
Dec 31, 2000	49.13%	+148.4%

Date	Value	Change
Dec 31, 1999	19.78%	-57.4%
Dec 31, 1998	46.46%	+66.2%
Dec 31, 1997	27.96%	+183.3%
Dec 31, 1996	9.87%	-60.8%
Dec 31, 1995	25.19%	+77.0%
Dec 31, 1994	14.23%	-28.6%
Dec 31, 1993	19.94%	+57.3%
Dec 31, 1992	12.68%	-44.4%
Dec 31, 1991	22.79%	+9.5%
Dec 31, 1990	20.82%	+215.9%
Dec 31, 1989	6.59%	-66.6%
Dec 31, 1988	19.76%	+12.3%
Dec 31, 1987	17.60%	-38.5%
Dec 31, 1986	28.62%	+22.7%
Dec 31, 1985	23.32%	+36.8%
Dec 31, 1984	17.05%	-40.8%
Dec 31, 1983	28.81%	+12.6%
Dec 31, 1982	25.59%	-16.5%
Dec 31, 1981	30.65%	+86.1%
Dec 31, 1980	16.47%	-20.4%
Dec 31, 1979	20.70%	+132.8%
Dec 31, 1978	8.89%	+27.2%
Dec 31, 1977	6.99%	-58.2%
Dec 31, 1976	16.71%	+36.4%
Dec 31, 1975	12.25%	-19.0%
Dec 31, 1974	15.12%	+28.4%
Dec 31, 1973	11.78%	-

FAQ

What is the current 10-day volatility of BKH?
As of today, BKH 10-day volatility is 20.67%
What 10-day volatility category does BKH fall into?
Based on its current 10-day historical volatility, BKH falls into the low volatility category
What is BKH 10-day volatility 1-year high?
BKH 10-day volatility reached a 1-year high of 37.13% on January 30, 2025
What is BKH 10-day volatility 1-year low?
BKH 10-day volatility reached a 1-year low of 7.92% on September 30, 2025

1-Month

21.92%

January 9, 2026

Summary

Current Value: As of today, BKH 1-month volatility is 21.92%, up +1.62% on January 9, 2026
Value Category: Based on its current 1-month historical volatility, BKH falls into the low volatility category
1-Year High: BKH 1-month volatility reached a 1-year high of 28.83% on February 2, 2025
1-Year Low: BKH 1-month volatility reached a 1-year low of 11.88% on March 1, 2025

Performance

BKH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 9, 26	21.92%	+1.6%	+13.6%	+47.4%	+21.5%	+27.7%	+6.4%	-34.8%
10-Day Volatility	Jan 9, 26	20.67%	+2.5%	+10.9%	+14.5%	+2.5%	+52.1%	-14.2%	-37.2%
3-Month Volatility	Jan 9, 26	22.15%	-0.4%	+10.5%	+36.8%	+4.0%	+13.1%	-11.3%	-30.6%
1-Year Volatility	Jan 9, 26	19.94%	-0.1%	+1.2%	+3.8%	+0.9%	+0.9%	-21.4%	-61.2%
14-Day RSI	Jan 9, 26	54.28	-5.0%	-2.5%	-4.7%	+12.5%	+118.4%	-2.6%	+16.4%
Beta	Jan 9, 26	0.23	0.0%	-14.8%	-17.9%	0.0%	-41.0%	-51.1%	-80.7%
ATR	Jan 9, 26	$1.51	+3.0%	+11.1%	+76.3%	+20.2%	+39.8%	+1.5%	-13.0%
Price	Jan 9, 26	$70.72	-0.7%	+0.3%	+15.8%	+1.9%	+25.8%	-0.6%	+19.1%
200-Day SMA	Jan 9, 26	$61.86	+0.1%	+1.7%	+5.0%	+0.5%	+7.1%	-14.6%	+4.4%
50-Day SMA	Jan 9, 26	$69.72	+0.1%	+4.8%	+16.3%	+0.8%	+15.1%	+1.5%	+14.9%

1-Month Volatility History

Date	Value	Change
Jan 9, 2026	21.64%	+17.5%
Dec 31, 2025	18.42%	+9.9%
Dec 31, 2024	16.76%	-29.8%
Dec 31, 2023	23.86%	+49.0%
Dec 31, 2022	16.01%	+4.9%
Dec 31, 2021	15.26%	-43.8%
Dec 31, 2020	27.15%	+135.9%
Dec 31, 2019	11.51%	-56.9%
Dec 31, 2018	26.72%	+75.7%
Dec 31, 2017	15.21%	-22.9%
Dec 31, 2016	19.74%	-24.0%
Dec 31, 2015	25.99%	+5.6%
Dec 31, 2014	24.62%	+31.1%
Dec 31, 2013	18.78%	+30.1%
Dec 31, 2012	14.44%	-39.6%
Dec 31, 2011	23.89%	+11.3%
Dec 31, 2010	21.46%	-0.6%
Dec 31, 2009	21.59%	-59.7%
Dec 31, 2008	53.52%	+150.8%
Dec 31, 2007	21.34%	+17.4%
Dec 31, 2006	18.18%	-13.3%
Dec 31, 2005	20.96%	+37.5%
Dec 31, 2004	15.24%	-68.3%
Dec 31, 2003	48.09%	+43.7%
Dec 31, 2002	33.47%	+65.9%
Dec 31, 2001	20.18%	-46.1%
Dec 31, 2000	37.42%	+50.3%

Date	Value	Change
Dec 31, 1999	24.89%	-25.7%
Dec 31, 1998	33.52%	+46.4%
Dec 31, 1997	22.89%	+16.8%
Dec 31, 1996	19.60%	-16.2%
Dec 31, 1995	23.40%	-16.2%
Dec 31, 1994	27.92%	+69.3%
Dec 31, 1993	16.49%	-19.3%
Dec 31, 1992	20.44%	+7.4%
Dec 31, 1991	19.04%	-0.8%
Dec 31, 1990	19.20%	+88.6%
Dec 31, 1989	10.18%	-29.6%
Dec 31, 1988	14.46%	-39.8%
Dec 31, 1987	24.03%	-15.6%
Dec 31, 1986	28.46%	+55.3%
Dec 31, 1985	18.32%	+21.4%
Dec 31, 1984	15.09%	-45.8%
Dec 31, 1983	27.86%	+14.1%
Dec 31, 1982	24.41%	-22.1%
Dec 31, 1981	31.34%	+107.8%
Dec 31, 1980	15.08%	-19.4%
Dec 31, 1979	18.71%	+43.2%
Dec 31, 1978	13.07%	+35.0%
Dec 31, 1977	9.68%	-45.7%
Dec 31, 1976	17.84%	+67.8%
Dec 31, 1975	10.63%	-25.9%
Dec 31, 1974	14.34%	+42.0%
Dec 31, 1973	10.10%	-

FAQ

What is the current 1-month volatility of BKH?
As of today, BKH 1-month volatility is 21.92%
What 1-month volatility category does BKH fall into?
Based on its current 1-month historical volatility, BKH falls into the low volatility category
What is BKH 1-month volatility 1-year high?
BKH 1-month volatility reached a 1-year high of 28.83% on February 2, 2025
What is BKH 1-month volatility 1-year low?
BKH 1-month volatility reached a 1-year low of 11.88% on March 1, 2025

3-Month

22.15%

January 9, 2026

Summary

Current Value: As of today, BKH 3-month volatility is 22.15%, down -0.36% on January 9, 2026
Value Category: Based on its current 3-month historical volatility, BKH falls into the low volatility category
1-Year High: BKH 3-month volatility reached a 1-year high of 23.39% on January 30, 2025
1-Year Low: BKH 3-month volatility reached a 1-year low of 15.25% on September 25, 2025

Performance

BKH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 9, 26	22.15%	-0.4%	+10.5%	+36.8%	+4.0%	+13.1%	-11.3%	-30.6%
10-Day Volatility	Jan 9, 26	20.67%	+2.5%	+10.9%	+14.5%	+2.5%	+52.1%	-14.2%	-37.2%
1-Month Volatility	Jan 9, 26	21.92%	+1.6%	+13.6%	+47.4%	+21.5%	+27.7%	+6.4%	-34.8%
1-Year Volatility	Jan 9, 26	19.94%	-0.1%	+1.2%	+3.8%	+0.9%	+0.9%	-21.4%	-61.2%
14-Day RSI	Jan 9, 26	54.28	-5.0%	-2.5%	-4.7%	+12.5%	+118.4%	-2.6%	+16.4%
Beta	Jan 9, 26	0.23	0.0%	-14.8%	-17.9%	0.0%	-41.0%	-51.1%	-80.7%
ATR	Jan 9, 26	$1.51	+3.0%	+11.1%	+76.3%	+20.2%	+39.8%	+1.5%	-13.0%
Price	Jan 9, 26	$70.72	-0.7%	+0.3%	+15.8%	+1.9%	+25.8%	-0.6%	+19.1%
200-Day SMA	Jan 9, 26	$61.86	+0.1%	+1.7%	+5.0%	+0.5%	+7.1%	-14.6%	+4.4%
50-Day SMA	Jan 9, 26	$69.72	+0.1%	+4.8%	+16.3%	+0.8%	+15.1%	+1.5%	+14.9%

3-Month Volatility History

Date	Value	Change
Jan 9, 2026	22.12%	+2.8%
Dec 31, 2025	21.51%	+13.4%
Dec 31, 2024	18.96%	-33.8%
Dec 31, 2023	28.64%	+6.4%
Dec 31, 2022	26.92%	+27.1%
Dec 31, 2021	21.18%	-30.0%
Dec 31, 2020	30.26%	+80.9%
Dec 31, 2019	16.73%	-22.8%
Dec 31, 2018	21.67%	+25.3%
Dec 31, 2017	17.29%	-31.0%
Dec 31, 2016	25.07%	-18.7%
Dec 31, 2015	30.82%	+31.4%
Dec 31, 2014	23.45%	+27.2%
Dec 31, 2013	18.43%	+15.8%
Dec 31, 2012	15.92%	-45.2%
Dec 31, 2011	29.05%	+49.1%
Dec 31, 2010	19.48%	-10.4%
Dec 31, 2009	21.75%	-73.6%
Dec 31, 2008	82.48%	+271.0%
Dec 31, 2007	22.23%	+41.9%
Dec 31, 2006	15.67%	-30.1%
Dec 31, 2005	22.41%	+28.1%
Dec 31, 2004	17.50%	-41.3%
Dec 31, 2003	29.83%	-40.1%
Dec 31, 2002	49.77%	+117.7%
Dec 31, 2001	22.86%	-27.1%
Dec 31, 2000	31.36%	+33.7%

Date	Value	Change
Dec 31, 1999	23.45%	-18.9%
Dec 31, 1998	28.91%	+40.5%
Dec 31, 1997	20.57%	+17.3%
Dec 31, 1996	17.53%	-8.8%
Dec 31, 1995	19.23%	-23.8%
Dec 31, 1994	25.22%	+24.6%
Dec 31, 1993	20.24%	0.0%
Dec 31, 1992	20.24%	+20.0%
Dec 31, 1991	16.87%	+13.8%
Dec 31, 1990	14.83%	+19.8%
Dec 31, 1989	12.38%	-7.7%
Dec 31, 1988	13.42%	-67.0%
Dec 31, 1987	40.72%	+75.2%
Dec 31, 1986	23.24%	+36.7%
Dec 31, 1985	17.00%	0.0%
Dec 31, 1984	17.00%	-25.1%
Dec 31, 1983	22.70%	-13.8%
Dec 31, 1982	26.32%	+4.3%
Dec 31, 1981	25.24%	+40.1%
Dec 31, 1980	18.01%	-23.8%
Dec 31, 1979	23.65%	+2.3%
Dec 31, 1978	23.11%	+33.0%
Dec 31, 1977	17.37%	+28.2%
Dec 31, 1976	13.55%	+4.6%
Dec 31, 1975	12.96%	-39.1%
Dec 31, 1974	21.28%	-10.6%
Dec 31, 1973	23.80%	-

FAQ

What is the current 3-month volatility of BKH?
As of today, BKH 3-month volatility is 22.15%
What 3-month volatility category does BKH fall into?
Based on its current 3-month historical volatility, BKH falls into the low volatility category
What is BKH 3-month volatility 1-year high?
BKH 3-month volatility reached a 1-year high of 23.39% on January 30, 2025
What is BKH 3-month volatility 1-year low?
BKH 3-month volatility reached a 1-year low of 15.25% on September 25, 2025

1-Year

19.94%

January 9, 2026

Summary

Current Value: As of today, BKH 1-year volatility is 19.94%, down -0.05% on January 9, 2026
Value Category: Based on its current 1-year historical volatility, BKH falls into the low volatility category
1-Year High: BKH 1-year volatility reached a 1-year high of 20.13% on January 28, 2025
1-Year Low: BKH 1-year volatility reached a 1-year low of 18.61% on August 5, 2025

Performance

BKH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 9, 26	19.94%	-0.1%	+1.2%	+3.8%	+0.9%	+0.9%	-21.4%	-61.2%
10-Day Volatility	Jan 9, 26	20.67%	+2.5%	+10.9%	+14.5%	+2.5%	+52.1%	-14.2%	-37.2%
1-Month Volatility	Jan 9, 26	21.92%	+1.6%	+13.6%	+47.4%	+21.5%	+27.7%	+6.4%	-34.8%
3-Month Volatility	Jan 9, 26	22.15%	-0.4%	+10.5%	+36.8%	+4.0%	+13.1%	-11.3%	-30.6%
1-Year Volatility	Jan 9, 26	19.94%	-0.1%	+1.2%	+3.8%	+0.9%	+0.9%	-21.4%	-61.2%
14-Day RSI	Jan 9, 26	54.28	-5.0%	-2.5%	-4.7%	+12.5%	+118.4%	-2.6%	+16.4%
Beta	Jan 9, 26	0.23	0.0%	-14.8%	-17.9%	0.0%	-41.0%	-51.1%	-80.7%
ATR	Jan 9, 26	$1.51	+3.0%	+11.1%	+76.3%	+20.2%	+39.8%	+1.5%	-13.0%
Price	Jan 9, 26	$70.72	-0.7%	+0.3%	+15.8%	+1.9%	+25.8%	-0.6%	+19.1%
200-Day SMA	Jan 9, 26	$61.86	+0.1%	+1.7%	+5.0%	+0.5%	+7.1%	-14.6%	+4.4%
50-Day SMA	Jan 9, 26	$69.72	+0.1%	+4.8%	+16.3%	+0.8%	+15.1%	+1.5%	+14.9%

1-Year Volatility History

Date	Value	Change
Jan 9, 2026	19.92%	+0.8%
Dec 31, 2025	19.77%	0.0%
Dec 31, 2024	19.77%	-17.6%
Dec 31, 2023	23.98%	-4.6%
Dec 31, 2022	25.13%	+16.8%
Dec 31, 2021	21.52%	-57.9%
Dec 31, 2020	51.10%	+202.9%
Dec 31, 2019	16.87%	-14.0%
Dec 31, 2018	19.61%	+37.9%
Dec 31, 2017	14.22%	-37.7%
Dec 31, 2016	22.82%	-13.4%
Dec 31, 2015	26.36%	+39.3%
Dec 31, 2014	18.92%	-1.7%
Dec 31, 2013	19.25%	+4.3%
Dec 31, 2012	18.46%	-31.8%
Dec 31, 2011	27.08%	+11.9%
Dec 31, 2010	24.19%	-26.3%
Dec 31, 2009	32.83%	-32.6%
Dec 31, 2008	48.73%	+102.9%
Dec 31, 2007	24.02%	+27.8%
Dec 31, 2006	18.79%	-7.7%
Dec 31, 2005	20.36%	-4.8%
Dec 31, 2004	21.39%	-14.7%
Dec 31, 2003	25.08%	-32.8%
Dec 31, 2002	37.32%	+1.3%
Dec 31, 2001	36.84%	+23.4%
Dec 31, 2000	29.86%	+30.7%

Date	Value	Change
Dec 31, 1999	22.85%	-34.5%
Dec 31, 1998	34.90%	+95.1%
Dec 31, 1997	17.89%	+8.7%
Dec 31, 1996	16.46%	-22.0%
Dec 31, 1995	21.09%	-5.4%
Dec 31, 1994	22.30%	+20.9%
Dec 31, 1993	18.45%	-9.2%
Dec 31, 1992	20.33%	+21.2%
Dec 31, 1991	16.77%	+16.9%
Dec 31, 1990	14.34%	-11.3%
Dec 31, 1989	16.16%	+6.0%
Dec 31, 1988	15.24%	-46.1%
Dec 31, 1987	28.30%	-1.4%
Dec 31, 1986	28.69%	+61.5%
Dec 31, 1985	17.77%	-0.3%
Dec 31, 1984	17.82%	-23.2%
Dec 31, 1983	23.19%	+2.9%
Dec 31, 1982	22.53%	+3.4%
Dec 31, 1981	21.79%	-15.0%
Dec 31, 1980	25.63%	+20.0%
Dec 31, 1979	21.36%	-2.2%
Dec 31, 1978	21.85%	+14.0%
Dec 31, 1977	19.16%	+15.7%
Dec 31, 1976	16.56%	-18.8%
Dec 31, 1975	20.39%	+10.0%
Dec 31, 1974	18.54%	-12.0%
Dec 31, 1973	21.07%	-

FAQ

What is the current 1-year volatility of BKH?
As of today, BKH 1-year volatility is 19.94%
What 1-year volatility category does BKH fall into?
Based on its current 1-year historical volatility, BKH falls into the low volatility category
What is BKH 1-year volatility 1-year high?
BKH 1-year volatility reached a 1-year high of 20.13% on January 28, 2025
What is BKH 1-year volatility 1-year low?
BKH 1-year volatility reached a 1-year low of 18.61% on August 5, 2025

Data Sources & References

BKH Official Website www.blackhillscorp.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1130464/000119312525268567/0001193125-25-268567-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1130464/000095017025018647/0000950170-25-018647-index.htm
BKH Profile on Yahoo Finance finance.yahoo.com/quote/BKH
BKH Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/bkh