What is the current 10-day volatility of OTTR?

As of today, OTTR 10-day volatility is 23.33%

What 10-day volatility category does OTTR fall into?

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

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

OTTR 10-day volatility reached a 1-year high of 45.76% on February 19, 2025

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

OTTR 10-day volatility reached a 1-year low of 9.65% on July 29, 2025

What is the current 1-month volatility of OTTR?

As of today, OTTR 1-month volatility is 22.30%

What 1-month volatility category does OTTR fall into?

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

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

OTTR 1-month volatility reached a 1-year high of 35.53% on March 4, 2025

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

OTTR 1-month volatility reached a 1-year low of 11.72% on September 25, 2025

What is the current 3-month volatility of OTTR?

As of today, OTTR 3-month volatility is 21.03%

What 3-month volatility category does OTTR fall into?

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

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

OTTR 3-month volatility reached a 1-year high of 30.83% on May 6, 2025

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

OTTR 3-month volatility reached a 1-year low of 19.03% on November 22, 2025

What is the current 1-year volatility of OTTR?

As of today, OTTR 1-year volatility is 24.34%

What 1-year volatility category does OTTR fall into?

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

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

OTTR 1-year volatility reached a 1-year high of 28.06% on July 5, 2025

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

OTTR 1-year volatility reached a 1-year low of 24.15% on January 7, 2026

OTTR Stock Volatility History & Chart Since 1973

10-Day

23.33%

January 9, 2026

Summary

Current Value: As of today, OTTR 10-day volatility is 23.33%, up +6.53% on January 9, 2026
Value Category: Based on its current 10-day historical volatility, OTTR falls into the low volatility category
1-Year High: OTTR 10-day volatility reached a 1-year high of 45.76% on February 19, 2025
1-Year Low: OTTR 10-day volatility reached a 1-year low of 9.65% on July 29, 2025

10-Day Volatility Chart

Performance

OTTR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 9, 26	23.33%	+6.5%	+56.9%	+54.8%	+8.2%	+7.3%	+17.9%	-25.7%
1-Month Volatility	Jan 9, 26	22.30%	+7.8%	+32.3%	+51.0%	+26.6%	-2.0%	-2.2%	-26.7%
3-Month Volatility	Jan 9, 26	21.03%	-0.8%	+7.1%	-8.4%	+1.4%	-17.7%	-42.7%	-44.0%
1-Year Volatility	Jan 9, 26	24.34%	-0.1%	-0.7%	-4.1%	-0.1%	-12.1%	-23.6%	-57.9%
14-Day RSI	Jan 9, 26	63.72	+9.5%	+19.9%	+157.0%	+59.6%	+43.3%	+6.5%	+20.7%
Beta	Jan 9, 26	0.44	0.0%	-4.3%	-13.7%	+2.3%	-46.3%	-25.4%	-65.9%
ATR	Jan 9, 26	$1.61	+0.2%	+3.0%	+9.0%	+5.9%	-8.2%	+4.0%	+31.0%
Price	Jan 9, 26	$85.61	+1.8%	+4.0%	+12.1%	+5.9%	+15.0%	+41.1%	+100.6%
200-Day SMA	Jan 9, 26	$80.16	+0.0%	+0.2%	+1.1%	+0.0%	-4.4%	+23.3%	+97.6%
50-Day SMA	Jan 9, 26	$82.43	+0.2%	+2.6%	+0.6%	+0.7%	+5.5%	+41.3%	+98.2%

10-Day Volatility History

Date	Value	Change
Jan 9, 2026	23.33%	+8.2%
Dec 31, 2025	21.56%	-12.3%
Dec 31, 2024	24.58%	-13.8%
Dec 31, 2023	28.53%	+46.6%
Dec 31, 2022	19.46%	+13.9%
Dec 31, 2021	17.09%	-36.8%
Dec 31, 2020	27.05%	+86.2%
Dec 31, 2019	14.53%	-53.7%
Dec 31, 2018	31.37%	+52.4%
Dec 31, 2017	20.59%	+41.9%
Dec 31, 2016	14.51%	+3.6%
Dec 31, 2015	14.01%	-48.6%
Dec 31, 2014	27.25%	+17.5%
Dec 31, 2013	23.20%	+62.7%
Dec 31, 2012	14.26%	-36.4%
Dec 31, 2011	22.42%	+172.1%
Dec 31, 2010	8.24%	-43.2%
Dec 31, 2009	14.51%	-68.4%
Dec 31, 2008	45.90%	+15.3%
Dec 31, 2007	39.82%	+117.0%
Dec 31, 2006	18.35%	+1.7%
Dec 31, 2005	18.05%	+100.8%
Dec 31, 2004	8.99%	-43.7%
Dec 31, 2003	15.97%	-41.2%
Dec 31, 2002	27.14%	-30.1%
Dec 31, 2001	38.85%	-49.3%
Dec 31, 2000	76.66%	+382.4%

Date	Value	Change
Dec 31, 1999	15.89%	-45.2%
Dec 31, 1998	28.97%	+9.6%
Dec 31, 1997	26.44%	+183.4%
Dec 31, 1996	9.33%	-54.8%
Dec 31, 1995	20.62%	+15.1%
Dec 31, 1994	17.92%	-20.8%
Dec 31, 1993	22.62%	+0.4%
Dec 31, 1992	22.53%	-26.4%
Dec 31, 1991	30.60%	-17.8%
Dec 31, 1990	37.22%	+83.3%
Dec 31, 1989	20.31%	+9.3%
Dec 31, 1988	18.59%	-55.1%
Dec 31, 1987	41.38%	+485.3%
Dec 31, 1986	7.07%	-33.2%
Dec 31, 1985	10.59%	-13.1%
Dec 31, 1984	12.18%	+0.6%
Dec 31, 1983	12.11%	+1.3%
Dec 31, 1982	11.96%	+119.0%
Dec 31, 1981	5.46%	-80.3%
Dec 31, 1980	27.72%	+820.9%
Dec 31, 1979	3.01%	-53.7%
Dec 31, 1978	6.50%	+41.9%
Dec 31, 1977	4.58%	-28.2%
Dec 31, 1976	6.38%	+13.9%
Dec 31, 1975	5.60%	-58.8%
Dec 31, 1974	13.59%	+49.0%
Dec 31, 1973	9.12%	-

FAQ

What is the current 10-day volatility of OTTR?
As of today, OTTR 10-day volatility is 23.33%
What 10-day volatility category does OTTR fall into?
Based on its current 10-day historical volatility, OTTR falls into the low volatility category
What is OTTR 10-day volatility 1-year high?
OTTR 10-day volatility reached a 1-year high of 45.76% on February 19, 2025
What is OTTR 10-day volatility 1-year low?
OTTR 10-day volatility reached a 1-year low of 9.65% on July 29, 2025

1-Month

22.30%

January 9, 2026

Summary

Current Value: As of today, OTTR 1-month volatility is 22.30%, up +7.78% on January 9, 2026
Value Category: Based on its current 1-month historical volatility, OTTR falls into the low volatility category
1-Year High: OTTR 1-month volatility reached a 1-year high of 35.53% on March 4, 2025
1-Year Low: OTTR 1-month volatility reached a 1-year low of 11.72% on September 25, 2025

Performance

OTTR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 9, 26	22.30%	+7.8%	+32.3%	+51.0%	+26.6%	-2.0%	-2.2%	-26.7%
10-Day Volatility	Jan 9, 26	23.33%	+6.5%	+56.9%	+54.8%	+8.2%	+7.3%	+17.9%	-25.7%
3-Month Volatility	Jan 9, 26	21.03%	-0.8%	+7.1%	-8.4%	+1.4%	-17.7%	-42.7%	-44.0%
1-Year Volatility	Jan 9, 26	24.34%	-0.1%	-0.7%	-4.1%	-0.1%	-12.1%	-23.6%	-57.9%
14-Day RSI	Jan 9, 26	63.72	+9.5%	+19.9%	+157.0%	+59.6%	+43.3%	+6.5%	+20.7%
Beta	Jan 9, 26	0.44	0.0%	-4.3%	-13.7%	+2.3%	-46.3%	-25.4%	-65.9%
ATR	Jan 9, 26	$1.61	+0.2%	+3.0%	+9.0%	+5.9%	-8.2%	+4.0%	+31.0%
Price	Jan 9, 26	$85.61	+1.8%	+4.0%	+12.1%	+5.9%	+15.0%	+41.1%	+100.6%
200-Day SMA	Jan 9, 26	$80.16	+0.0%	+0.2%	+1.1%	+0.0%	-4.4%	+23.3%	+97.6%
50-Day SMA	Jan 9, 26	$82.43	+0.2%	+2.6%	+0.6%	+0.7%	+5.5%	+41.3%	+98.2%

1-Month Volatility History

Date	Value	Change
Jan 9, 2026	21.51%	+21.1%
Dec 31, 2025	17.76%	-13.8%
Dec 31, 2024	20.61%	-12.1%
Dec 31, 2023	23.45%	+14.2%
Dec 31, 2022	20.53%	-7.1%
Dec 31, 2021	22.11%	-10.3%
Dec 31, 2020	24.65%	+66.1%
Dec 31, 2019	14.84%	-49.2%
Dec 31, 2018	29.23%	+54.0%
Dec 31, 2017	18.98%	-45.2%
Dec 31, 2016	34.62%	+56.4%
Dec 31, 2015	22.14%	-0.8%
Dec 31, 2014	22.31%	+5.5%
Dec 31, 2013	21.15%	+67.6%
Dec 31, 2012	12.62%	-48.0%
Dec 31, 2011	24.27%	+92.3%
Dec 31, 2010	12.62%	-19.9%
Dec 31, 2009	15.75%	-77.3%
Dec 31, 2008	69.45%	+98.3%
Dec 31, 2007	35.02%	+121.2%
Dec 31, 2006	15.83%	-22.4%
Dec 31, 2005	20.40%	-2.5%
Dec 31, 2004	20.93%	+6.0%
Dec 31, 2003	19.74%	-35.5%
Dec 31, 2002	30.60%	-13.4%
Dec 31, 2001	35.32%	-56.7%
Dec 31, 2000	81.48%	+228.5%

Date	Value	Change
Dec 31, 1999	24.80%	+1.3%
Dec 31, 1998	24.48%	+12.9%
Dec 31, 1997	21.68%	+36.2%
Dec 31, 1996	15.92%	-15.0%
Dec 31, 1995	18.73%	-21.5%
Dec 31, 1994	23.85%	+12.3%
Dec 31, 1993	21.23%	-10.4%
Dec 31, 1992	23.69%	-12.0%
Dec 31, 1991	26.93%	-14.6%
Dec 31, 1990	31.53%	+94.9%
Dec 31, 1989	16.18%	-22.6%
Dec 31, 1988	20.91%	-40.1%
Dec 31, 1987	34.90%	+202.4%
Dec 31, 1986	11.54%	+2.5%
Dec 31, 1985	11.26%	+7.6%
Dec 31, 1984	10.46%	-24.6%
Dec 31, 1983	13.88%	+35.9%
Dec 31, 1982	10.21%	-39.3%
Dec 31, 1981	16.82%	-45.9%
Dec 31, 1980	31.07%	+215.1%
Dec 31, 1979	9.86%	-40.7%
Dec 31, 1978	16.63%	+225.4%
Dec 31, 1977	5.11%	-54.7%
Dec 31, 1976	11.27%	+84.8%
Dec 31, 1975	6.10%	-55.1%
Dec 31, 1974	13.60%	-10.3%
Dec 31, 1973	15.17%	-

FAQ

What is the current 1-month volatility of OTTR?
As of today, OTTR 1-month volatility is 22.30%
What 1-month volatility category does OTTR fall into?
Based on its current 1-month historical volatility, OTTR falls into the low volatility category
What is OTTR 1-month volatility 1-year high?
OTTR 1-month volatility reached a 1-year high of 35.53% on March 4, 2025
What is OTTR 1-month volatility 1-year low?
OTTR 1-month volatility reached a 1-year low of 11.72% on September 25, 2025

3-Month

21.03%

January 9, 2026

Summary

Current Value: As of today, OTTR 3-month volatility is 21.03%, down -0.80% on January 9, 2026
Value Category: Based on its current 3-month historical volatility, OTTR falls into the low volatility category
1-Year High: OTTR 3-month volatility reached a 1-year high of 30.83% on May 6, 2025
1-Year Low: OTTR 3-month volatility reached a 1-year low of 19.03% on November 22, 2025

Performance

OTTR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 9, 26	21.03%	-0.8%	+7.1%	-8.4%	+1.4%	-17.7%	-42.7%	-44.0%
10-Day Volatility	Jan 9, 26	23.33%	+6.5%	+56.9%	+54.8%	+8.2%	+7.3%	+17.9%	-25.7%
1-Month Volatility	Jan 9, 26	22.30%	+7.8%	+32.3%	+51.0%	+26.6%	-2.0%	-2.2%	-26.7%
1-Year Volatility	Jan 9, 26	24.34%	-0.1%	-0.7%	-4.1%	-0.1%	-12.1%	-23.6%	-57.9%
14-Day RSI	Jan 9, 26	63.72	+9.5%	+19.9%	+157.0%	+59.6%	+43.3%	+6.5%	+20.7%
Beta	Jan 9, 26	0.44	0.0%	-4.3%	-13.7%	+2.3%	-46.3%	-25.4%	-65.9%
ATR	Jan 9, 26	$1.61	+0.2%	+3.0%	+9.0%	+5.9%	-8.2%	+4.0%	+31.0%
Price	Jan 9, 26	$85.61	+1.8%	+4.0%	+12.1%	+5.9%	+15.0%	+41.1%	+100.6%
200-Day SMA	Jan 9, 26	$80.16	+0.0%	+0.2%	+1.1%	+0.0%	-4.4%	+23.3%	+97.6%
50-Day SMA	Jan 9, 26	$82.43	+0.2%	+2.6%	+0.6%	+0.7%	+5.5%	+41.3%	+98.2%

3-Month Volatility History

Date	Value	Change
Jan 9, 2026	21.22%	+1.8%
Dec 31, 2025	20.84%	-16.4%
Dec 31, 2024	24.94%	-26.0%
Dec 31, 2023	33.69%	-11.6%
Dec 31, 2022	38.12%	+68.4%
Dec 31, 2021	22.63%	-36.9%
Dec 31, 2020	35.88%	+54.5%
Dec 31, 2019	23.23%	-7.0%
Dec 31, 2018	24.98%	+34.2%
Dec 31, 2017	18.62%	-34.4%
Dec 31, 2016	28.39%	+31.9%
Dec 31, 2015	21.52%	-1.9%
Dec 31, 2014	21.94%	+11.7%
Dec 31, 2013	19.65%	+37.8%
Dec 31, 2012	14.26%	-53.6%
Dec 31, 2011	30.75%	+114.4%
Dec 31, 2010	14.34%	-37.7%
Dec 31, 2009	23.03%	-70.6%
Dec 31, 2008	78.42%	+153.1%
Dec 31, 2007	30.98%	+75.3%
Dec 31, 2006	17.67%	-38.6%
Dec 31, 2005	28.76%	+43.3%
Dec 31, 2004	20.07%	-14.3%
Dec 31, 2003	23.41%	-40.1%
Dec 31, 2002	39.09%	+34.3%
Dec 31, 2001	29.10%	-45.1%
Dec 31, 2000	52.96%	+87.8%

Date	Value	Change
Dec 31, 1999	28.20%	+22.7%
Dec 31, 1998	22.98%	+36.4%
Dec 31, 1997	16.85%	-7.5%
Dec 31, 1996	18.22%	+8.5%
Dec 31, 1995	16.79%	-28.0%
Dec 31, 1994	23.32%	+14.4%
Dec 31, 1993	20.39%	-21.2%
Dec 31, 1992	25.87%	-15.2%
Dec 31, 1991	30.52%	+17.1%
Dec 31, 1990	26.06%	+67.4%
Dec 31, 1989	15.57%	-34.4%
Dec 31, 1988	23.74%	-13.9%
Dec 31, 1987	27.56%	+121.7%
Dec 31, 1986	12.43%	+7.5%
Dec 31, 1985	11.56%	-7.8%
Dec 31, 1984	12.54%	-23.8%
Dec 31, 1983	16.46%	+12.1%
Dec 31, 1982	14.68%	-6.3%
Dec 31, 1981	15.66%	-39.8%
Dec 31, 1980	26.03%	+24.0%
Dec 31, 1979	20.99%	+36.9%
Dec 31, 1978	15.33%	+32.2%
Dec 31, 1977	11.60%	+17.1%
Dec 31, 1976	9.91%	+5.7%
Dec 31, 1975	9.38%	-66.4%
Dec 31, 1974	27.92%	+91.2%
Dec 31, 1973	14.60%	-

FAQ

What is the current 3-month volatility of OTTR?
As of today, OTTR 3-month volatility is 21.03%
What 3-month volatility category does OTTR fall into?
Based on its current 3-month historical volatility, OTTR falls into the low volatility category
What is OTTR 3-month volatility 1-year high?
OTTR 3-month volatility reached a 1-year high of 30.83% on May 6, 2025
What is OTTR 3-month volatility 1-year low?
OTTR 3-month volatility reached a 1-year low of 19.03% on November 22, 2025

1-Year

24.34%

January 9, 2026

Summary

Current Value: As of today, OTTR 1-year volatility is 24.34%, down -0.12% on January 9, 2026
Value Category: Based on its current 1-year historical volatility, OTTR falls into the low volatility category
1-Year High: OTTR 1-year volatility reached a 1-year high of 28.06% on July 5, 2025
1-Year Low: OTTR 1-year volatility reached a 1-year low of 24.15% on January 7, 2026

Performance

OTTR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 9, 26	24.34%	-0.1%	-0.7%	-4.1%	-0.1%	-12.1%	-23.6%	-57.9%
10-Day Volatility	Jan 9, 26	23.33%	+6.5%	+56.9%	+54.8%	+8.2%	+7.3%	+17.9%	-25.7%
1-Month Volatility	Jan 9, 26	22.30%	+7.8%	+32.3%	+51.0%	+26.6%	-2.0%	-2.2%	-26.7%
3-Month Volatility	Jan 9, 26	21.03%	-0.8%	+7.1%	-8.4%	+1.4%	-17.7%	-42.7%	-44.0%
1-Year Volatility	Jan 9, 26	24.34%	-0.1%	-0.7%	-4.1%	-0.1%	-12.1%	-23.6%	-57.9%
14-Day RSI	Jan 9, 26	63.72	+9.5%	+19.9%	+157.0%	+59.6%	+43.3%	+6.5%	+20.7%
Beta	Jan 9, 26	0.44	0.0%	-4.3%	-13.7%	+2.3%	-46.3%	-25.4%	-65.9%
ATR	Jan 9, 26	$1.61	+0.2%	+3.0%	+9.0%	+5.9%	-8.2%	+4.0%	+31.0%
Price	Jan 9, 26	$85.61	+1.8%	+4.0%	+12.1%	+5.9%	+15.0%	+41.1%	+100.6%
200-Day SMA	Jan 9, 26	$80.16	+0.0%	+0.2%	+1.1%	+0.0%	-4.4%	+23.3%	+97.6%
50-Day SMA	Jan 9, 26	$82.43	+0.2%	+2.6%	+0.6%	+0.7%	+5.5%	+41.3%	+98.2%

1-Year Volatility History

Date	Value	Change
Jan 9, 2026	24.39%	+0.1%
Dec 31, 2025	24.37%	-11.7%
Dec 31, 2024	27.59%	-11.8%
Dec 31, 2023	31.27%	-1.9%
Dec 31, 2022	31.89%	+49.9%
Dec 31, 2021	21.28%	-63.0%
Dec 31, 2020	57.49%	+193.5%
Dec 31, 2019	19.59%	-6.6%
Dec 31, 2018	20.98%	+15.5%
Dec 31, 2017	18.16%	-21.5%
Dec 31, 2016	23.14%	+1.9%
Dec 31, 2015	22.71%	+13.9%
Dec 31, 2014	19.93%	-6.4%
Dec 31, 2013	21.29%	+33.8%
Dec 31, 2012	15.91%	-43.5%
Dec 31, 2011	28.18%	+16.1%
Dec 31, 2010	24.27%	-41.4%
Dec 31, 2009	41.41%	-24.1%
Dec 31, 2008	54.54%	+73.1%
Dec 31, 2007	31.50%	+37.9%
Dec 31, 2006	22.84%	-1.9%
Dec 31, 2005	23.28%	+17.9%
Dec 31, 2004	19.74%	-29.9%
Dec 31, 2003	28.14%	-41.0%
Dec 31, 2002	47.69%	-7.6%
Dec 31, 2001	51.61%	+12.7%
Dec 31, 2000	45.81%	+33.8%

Date	Value	Change
Dec 31, 1999	34.25%	+53.5%
Dec 31, 1998	22.31%	+16.9%
Dec 31, 1997	19.09%	-6.0%
Dec 31, 1996	20.30%	-7.9%
Dec 31, 1995	22.05%	-24.3%
Dec 31, 1994	29.12%	+19.6%
Dec 31, 1993	24.35%	+3.0%
Dec 31, 1992	23.64%	-11.0%
Dec 31, 1991	26.56%	+20.6%
Dec 31, 1990	22.03%	-1.2%
Dec 31, 1989	22.29%	+1.0%
Dec 31, 1988	22.06%	+1.0%
Dec 31, 1987	21.85%	+8.3%
Dec 31, 1986	20.17%	+30.0%
Dec 31, 1985	15.51%	+7.5%
Dec 31, 1984	14.43%	+9.2%
Dec 31, 1983	13.21%	-13.7%
Dec 31, 1982	15.31%	-23.9%
Dec 31, 1981	20.11%	+6.4%
Dec 31, 1980	18.90%	+19.2%
Dec 31, 1979	15.85%	+10.4%
Dec 31, 1978	14.36%	+47.3%
Dec 31, 1977	9.75%	-38.4%
Dec 31, 1976	15.84%	-11.3%
Dec 31, 1975	17.85%	-22.0%
Dec 31, 1974	22.87%	+38.8%
Dec 31, 1973	16.48%	-

FAQ

What is the current 1-year volatility of OTTR?
As of today, OTTR 1-year volatility is 24.34%
What 1-year volatility category does OTTR fall into?
Based on its current 1-year historical volatility, OTTR falls into the low volatility category
What is OTTR 1-year volatility 1-year high?
OTTR 1-year volatility reached a 1-year high of 28.06% on July 5, 2025
What is OTTR 1-year volatility 1-year low?
OTTR 1-year volatility reached a 1-year low of 24.15% on January 7, 2026

Data Sources & References

OTTR Official Website www.ottertail.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1466593/000146659325000122/0001466593-25-000122-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1466593/000146659325000034/0001466593-25-000034-index.htm
OTTR Profile on Yahoo Finance finance.yahoo.com/quote/OTTR
OTTR Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ottr