What is the current 10-day volatility of AEP?

As of today, AEP 10-day volatility is 9.95%

What 10-day volatility category does AEP fall into?

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

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

AEP 10-day volatility reached a 1-year high of 33.85% on November 10, 2025

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

AEP 10-day volatility reached a 1-year low of 7.31% on April 7, 2026

What is the current 1-month volatility of AEP?

As of today, AEP 1-month volatility is 16.35%

What 1-month volatility category does AEP fall into?

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

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

AEP 1-month volatility reached a 1-year high of 26.94% on June 2, 2026

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

AEP 1-month volatility reached a 1-year low of 11.81% on September 22, 2025

What is the current 3-month volatility of AEP?

As of today, AEP 3-month volatility is 19.19%

What 3-month volatility category does AEP fall into?

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

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

AEP 3-month volatility reached a 1-year high of 23.05% on July 29, 2026

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

AEP 3-month volatility reached a 1-year low of 14.80% on January 30, 2026

What is the current 1-year volatility of AEP?

As of today, AEP 1-year volatility is 19.19%

What 1-year volatility category does AEP fall into?

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

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

AEP 1-year volatility reached a 1-year high of 20.09% on October 31, 2025

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

AEP 1-year volatility reached a 1-year low of 17.35% on April 22, 2026

AEP Stock Volatility History & Chart Since 1972

10-Day

9.95%

September 10, 2026

Summary

Current Value: As of today, AEP 10-day volatility is 9.95%, up +16.37% on September 10, 2026
Value Category: Based on its current 10-day historical volatility, AEP falls into the very low volatility category
1-Year High: AEP 10-day volatility reached a 1-year high of 33.85% on November 10, 2025
1-Year Low: AEP 10-day volatility reached a 1-year low of 7.31% on April 7, 2026

10-Day Volatility Chart

Performance

AEP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 10, 26	9.95%	+16.4%	-47.2%	-58.2%	+27.7%	-0.1%	-37.1%	-44.8%
1-Month Volatility	Sep 10, 26	16.35%	-7.3%	-10.5%	-32.3%	+33.4%	+31.1%	+18.5%	+12.2%
3-Month Volatility	Sep 10, 26	19.19%	+1.1%	-11.8%	-8.7%	+2.6%	+22.8%	+12.1%	+28.4%
1-Year Volatility	Sep 10, 26	19.19%	+0.3%	+1.3%	+4.6%	-0.8%	+0.2%	-16.6%	+8.5%
14-Day RSI	Sep 10, 26	43.00	-9.3%	+31.7%	-11.3%	-0.1%	+1.9%	+10.0%	-8.2%
Beta	Sep 10, 26	-0.04	+20.0%	0.0%	-233.3%	-166.7%	-500.0%	-106.0%	-111.1%
ATR	Sep 10, 26	$2.18	+0.8%	-23.0%	-10.7%	+47.7%	+40.0%	+73.1%	+76.3%
Price	Sep 10, 26	$123.47	-1.0%	-0.1%	-3.9%	+7.1%	+13.6%	+58.7%	+39.0%
200-Day SMA	Sep 10, 26	$126.93	+0.0%	+0.3%	+3.6%	+15.0%	+22.8%	+42.9%	+50.0%
50-Day SMA	Sep 10, 26	$128.48	-0.2%	-2.0%	-2.3%	+8.4%	+17.1%	+56.2%	+45.5%
20-Day SMA	Sep 10, 26	$124.08	-0.1%	-4.4%	-3.1%	+7.4%	+11.8%	+58.0%	+38.0%

10-Day Volatility History

Date	Value	Change
Sep 11, 2026	9.95%	+27.7%
Dec 31, 2025	7.79%	-34.1%
Dec 31, 2024	11.82%	-18.4%
Dec 31, 2023	14.48%	-14.4%
Dec 31, 2022	16.92%	+30.4%
Dec 31, 2021	12.98%	-26.3%
Dec 31, 2020	17.61%	+91.6%
Dec 31, 2019	9.19%	-66.5%
Dec 31, 2018	27.40%	+139.3%
Dec 31, 2017	11.45%	-11.0%
Dec 31, 2016	12.87%	-24.8%
Dec 31, 2015	17.11%	-24.1%
Dec 31, 2014	22.55%	+124.6%
Dec 31, 2013	10.04%	-32.7%
Dec 31, 2012	14.91%	-13.7%
Dec 31, 2011	17.27%	+269.0%
Dec 31, 2010	4.68%	-65.1%
Dec 31, 2009	13.41%	-55.7%
Dec 31, 2008	30.27%	+59.0%
Dec 31, 2007	19.04%	+56.6%
Dec 31, 2006	12.16%	-13.0%
Dec 31, 2005	13.98%	+56.4%
Dec 31, 2004	8.94%	-42.4%
Dec 31, 2003	15.53%	-39.2%
Dec 31, 2002	25.53%	+18.7%
Dec 31, 2001	21.51%	-31.9%
Dec 31, 2000	31.59%	+58.0%
Dec 31, 1999	19.99%	+43.6%

Date	Value	Change
Dec 31, 1998	13.92%	-12.6%
Dec 31, 1997	15.93%	+23.6%
Dec 31, 1996	12.89%	-24.7%
Dec 31, 1995	17.11%	+148.3%
Dec 31, 1994	6.89%	-50.6%
Dec 31, 1993	13.96%	-6.9%
Dec 31, 1992	14.99%	-16.3%
Dec 31, 1991	17.90%	-1.5%
Dec 31, 1990	18.18%	+102.2%
Dec 31, 1989	8.99%	-20.6%
Dec 31, 1988	11.32%	-29.4%
Dec 31, 1987	16.04%	-4.0%
Dec 31, 1986	16.71%	+0.7%
Dec 31, 1985	16.59%	+26.8%
Dec 31, 1984	13.08%	-26.4%
Dec 31, 1983	17.77%	+16.7%
Dec 31, 1982	15.23%	+9.0%
Dec 31, 1981	13.97%	-46.7%
Dec 31, 1980	26.20%	+317.2%
Dec 31, 1979	6.28%	-46.4%
Dec 31, 1978	11.71%	+11.1%
Dec 31, 1977	10.54%	-7.2%
Dec 31, 1976	11.36%	-21.5%
Dec 31, 1975	14.48%	-43.4%
Dec 31, 1974	25.59%	-24.6%
Dec 31, 1973	33.92%	+115.5%
Dec 31, 1972	15.74%	-

FAQ

What is the current 10-day volatility of AEP?: As of today, AEP 10-day volatility is 9.95%
What 10-day volatility category does AEP fall into?: Based on its current 10-day historical volatility, AEP falls into the very low volatility category
What is AEP 10-day volatility 1-year high?: AEP 10-day volatility reached a 1-year high of 33.85% on November 10, 2025
What is AEP 10-day volatility 1-year low?: AEP 10-day volatility reached a 1-year low of 7.31% on April 7, 2026

1-Month

16.35%

September 10, 2026

Summary

Current Value: As of today, AEP 1-month volatility is 16.35%, down -7.26% on September 10, 2026
Value Category: Based on its current 1-month historical volatility, AEP falls into the low volatility category
1-Year High: AEP 1-month volatility reached a 1-year high of 26.94% on June 2, 2026
1-Year Low: AEP 1-month volatility reached a 1-year low of 11.81% on September 22, 2025

Performance

AEP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 10, 26	16.35%	-7.3%	-10.5%	-32.3%	+33.4%	+31.1%	+18.5%	+12.2%
10-Day Volatility	Sep 10, 26	9.95%	+16.4%	-47.2%	-58.2%	+27.7%	-0.1%	-37.1%	-44.8%
3-Month Volatility	Sep 10, 26	19.19%	+1.1%	-11.8%	-8.7%	+2.6%	+22.8%	+12.1%	+28.4%
1-Year Volatility	Sep 10, 26	19.19%	+0.3%	+1.3%	+4.6%	-0.8%	+0.2%	-16.6%	+8.5%
14-Day RSI	Sep 10, 26	43.00	-9.3%	+31.7%	-11.3%	-0.1%	+1.9%	+10.0%	-8.2%
Beta	Sep 10, 26	-0.04	+20.0%	0.0%	-233.3%	-166.7%	-500.0%	-106.0%	-111.1%
ATR	Sep 10, 26	$2.18	+0.8%	-23.0%	-10.7%	+47.7%	+40.0%	+73.1%	+76.3%
Price	Sep 10, 26	$123.47	-1.0%	-0.1%	-3.9%	+7.1%	+13.6%	+58.7%	+39.0%
200-Day SMA	Sep 10, 26	$126.93	+0.0%	+0.3%	+3.6%	+15.0%	+22.8%	+42.9%	+50.0%
50-Day SMA	Sep 10, 26	$128.48	-0.2%	-2.0%	-2.3%	+8.4%	+17.1%	+56.2%	+45.5%
20-Day SMA	Sep 10, 26	$124.08	-0.1%	-4.4%	-3.1%	+7.4%	+11.8%	+58.0%	+38.0%

1-Month Volatility History

Date	Value	Change
Sep 11, 2026	16.35%	+12.8%
Dec 31, 2025	14.50%	+3.5%
Dec 31, 2024	14.01%	-34.4%
Dec 31, 2023	21.35%	+6.3%
Dec 31, 2022	20.09%	+38.8%
Dec 31, 2021	14.47%	-21.3%
Dec 31, 2020	18.39%	+63.3%
Dec 31, 2019	11.26%	-47.9%
Dec 31, 2018	21.62%	+88.3%
Dec 31, 2017	11.48%	-25.3%
Dec 31, 2016	15.36%	-31.4%
Dec 31, 2015	22.40%	+21.3%
Dec 31, 2014	18.47%	+61.6%
Dec 31, 2013	11.43%	-17.5%
Dec 31, 2012	13.86%	-25.2%
Dec 31, 2011	18.52%	+49.2%
Dec 31, 2010	12.41%	-31.1%
Dec 31, 2009	18.01%	-55.7%
Dec 31, 2008	40.65%	+107.3%
Dec 31, 2007	19.61%	+60.7%
Dec 31, 2006	12.20%	-21.5%
Dec 31, 2005	15.55%	+58.8%
Dec 31, 2004	9.79%	-34.9%
Dec 31, 2003	15.04%	-47.9%
Dec 31, 2002	28.87%	+28.0%
Dec 31, 2001	22.56%	-19.8%
Dec 31, 2000	28.12%	+92.9%
Dec 31, 1999	14.58%	-13.3%

Date	Value	Change
Dec 31, 1998	16.82%	+3.7%
Dec 31, 1997	16.22%	+20.8%
Dec 31, 1996	13.43%	-9.7%
Dec 31, 1995	14.87%	+14.5%
Dec 31, 1994	12.99%	+0.5%
Dec 31, 1993	12.92%	+14.3%
Dec 31, 1992	11.30%	-41.5%
Dec 31, 1991	19.30%	+20.5%
Dec 31, 1990	16.01%	+20.5%
Dec 31, 1989	13.29%	+30.2%
Dec 31, 1988	10.21%	-36.4%
Dec 31, 1987	16.06%	-17.2%
Dec 31, 1986	19.40%	+2.8%
Dec 31, 1985	18.88%	+34.2%
Dec 31, 1984	14.07%	-15.9%
Dec 31, 1983	16.74%	-10.7%
Dec 31, 1982	18.75%	+23.6%
Dec 31, 1981	15.17%	-25.0%
Dec 31, 1980	20.24%	+100.4%
Dec 31, 1979	10.10%	-19.5%
Dec 31, 1978	12.55%	+5.0%
Dec 31, 1977	11.95%	-48.0%
Dec 31, 1976	22.99%	+6.4%
Dec 31, 1975	21.60%	-18.0%
Dec 31, 1974	26.33%	-38.5%
Dec 31, 1973	42.80%	+171.4%
Dec 31, 1972	15.77%	-

FAQ

What is the current 1-month volatility of AEP?: As of today, AEP 1-month volatility is 16.35%
What 1-month volatility category does AEP fall into?: Based on its current 1-month historical volatility, AEP falls into the low volatility category
What is AEP 1-month volatility 1-year high?: AEP 1-month volatility reached a 1-year high of 26.94% on June 2, 2026
What is AEP 1-month volatility 1-year low?: AEP 1-month volatility reached a 1-year low of 11.81% on September 22, 2025

3-Month

19.19%

September 10, 2026

Summary

Current Value: As of today, AEP 3-month volatility is 19.19%, up +1.05% on September 10, 2026
Value Category: Based on its current 3-month historical volatility, AEP falls into the low volatility category
1-Year High: AEP 3-month volatility reached a 1-year high of 23.05% on July 29, 2026
1-Year Low: AEP 3-month volatility reached a 1-year low of 14.80% on January 30, 2026

Performance

AEP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 10, 26	19.19%	+1.1%	-11.8%	-8.7%	+2.6%	+22.8%	+12.1%	+28.4%
10-Day Volatility	Sep 10, 26	9.95%	+16.4%	-47.2%	-58.2%	+27.7%	-0.1%	-37.1%	-44.8%
1-Month Volatility	Sep 10, 26	16.35%	-7.3%	-10.5%	-32.3%	+33.4%	+31.1%	+18.5%	+12.2%
1-Year Volatility	Sep 10, 26	19.19%	+0.3%	+1.3%	+4.6%	-0.8%	+0.2%	-16.6%	+8.5%
14-Day RSI	Sep 10, 26	43.00	-9.3%	+31.7%	-11.3%	-0.1%	+1.9%	+10.0%	-8.2%
Beta	Sep 10, 26	-0.04	+20.0%	0.0%	-233.3%	-166.7%	-500.0%	-106.0%	-111.1%
ATR	Sep 10, 26	$2.18	+0.8%	-23.0%	-10.7%	+47.7%	+40.0%	+73.1%	+76.3%
Price	Sep 10, 26	$123.47	-1.0%	-0.1%	-3.9%	+7.1%	+13.6%	+58.7%	+39.0%
200-Day SMA	Sep 10, 26	$126.93	+0.0%	+0.3%	+3.6%	+15.0%	+22.8%	+42.9%	+50.0%
50-Day SMA	Sep 10, 26	$128.48	-0.2%	-2.0%	-2.3%	+8.4%	+17.1%	+56.2%	+45.5%
20-Day SMA	Sep 10, 26	$124.08	-0.1%	-4.4%	-3.1%	+7.4%	+11.8%	+58.0%	+38.0%

3-Month Volatility History

Date	Value	Change
Sep 11, 2026	19.19%	+3.4%
Dec 31, 2025	18.56%	+1.8%
Dec 31, 2024	18.24%	-23.6%
Dec 31, 2023	23.88%	-13.5%
Dec 31, 2022	27.60%	+72.1%
Dec 31, 2021	16.04%	-20.7%
Dec 31, 2020	20.23%	+54.2%
Dec 31, 2019	13.12%	-34.1%
Dec 31, 2018	19.91%	+73.7%
Dec 31, 2017	11.46%	-41.8%
Dec 31, 2016	19.69%	-5.2%
Dec 31, 2015	20.77%	+12.1%
Dec 31, 2014	18.52%	+40.3%
Dec 31, 2013	13.20%	-2.5%
Dec 31, 2012	13.54%	-32.4%
Dec 31, 2011	20.04%	+75.5%
Dec 31, 2010	11.42%	-42.8%
Dec 31, 2009	19.96%	-71.0%
Dec 31, 2008	68.74%	+261.4%
Dec 31, 2007	19.02%	+16.2%
Dec 31, 2006	16.37%	-16.1%
Dec 31, 2005	19.50%	+14.2%
Dec 31, 2004	17.08%	+11.2%
Dec 31, 2003	15.36%	-82.6%
Dec 31, 2002	88.21%	+253.5%
Dec 31, 2001	24.95%	-10.1%
Dec 31, 2000	27.76%	+37.6%
Dec 31, 1999	20.17%	-12.1%

Date	Value	Change
Dec 31, 1998	22.94%	+54.6%
Dec 31, 1997	14.84%	+39.2%
Dec 31, 1996	10.66%	-26.9%
Dec 31, 1995	14.58%	+2.7%
Dec 31, 1994	14.20%	-17.2%
Dec 31, 1993	17.14%	+47.6%
Dec 31, 1992	11.61%	-41.3%
Dec 31, 1991	19.78%	+3.5%
Dec 31, 1990	19.11%	+34.6%
Dec 31, 1989	14.20%	-3.6%
Dec 31, 1988	14.73%	-54.8%
Dec 31, 1987	32.62%	+74.5%
Dec 31, 1986	18.69%	+13.9%
Dec 31, 1985	16.41%	-5.9%
Dec 31, 1984	17.43%	-3.9%
Dec 31, 1983	18.14%	-15.2%
Dec 31, 1982	21.40%	+13.4%
Dec 31, 1981	18.87%	-5.1%
Dec 31, 1980	19.88%	+15.1%
Dec 31, 1979	17.27%	+9.0%
Dec 31, 1978	15.85%	+33.0%
Dec 31, 1977	11.92%	-39.7%
Dec 31, 1976	19.76%	+7.3%
Dec 31, 1975	18.42%	-43.3%
Dec 31, 1974	32.48%	+9.3%
Dec 31, 1973	29.71%	+68.3%
Dec 31, 1972	17.65%	-

FAQ

What is the current 3-month volatility of AEP?: As of today, AEP 3-month volatility is 19.19%
What 3-month volatility category does AEP fall into?: Based on its current 3-month historical volatility, AEP falls into the low volatility category
What is AEP 3-month volatility 1-year high?: AEP 3-month volatility reached a 1-year high of 23.05% on July 29, 2026
What is AEP 3-month volatility 1-year low?: AEP 3-month volatility reached a 1-year low of 14.80% on January 30, 2026

1-Year

19.19%

September 10, 2026

Summary

Current Value: As of today, AEP 1-year volatility is 19.19%, up +0.31% on September 10, 2026
Value Category: Based on its current 1-year historical volatility, AEP falls into the low volatility category
1-Year High: AEP 1-year volatility reached a 1-year high of 20.09% on October 31, 2025
1-Year Low: AEP 1-year volatility reached a 1-year low of 17.35% on April 22, 2026

Performance

AEP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 10, 26	19.19%	+0.3%	+1.3%	+4.6%	-0.8%	+0.2%	-16.6%	+8.5%
10-Day Volatility	Sep 10, 26	9.95%	+16.4%	-47.2%	-58.2%	+27.7%	-0.1%	-37.1%	-44.8%
1-Month Volatility	Sep 10, 26	16.35%	-7.3%	-10.5%	-32.3%	+33.4%	+31.1%	+18.5%	+12.2%
3-Month Volatility	Sep 10, 26	19.19%	+1.1%	-11.8%	-8.7%	+2.6%	+22.8%	+12.1%	+28.4%
1-Year Volatility	Sep 10, 26	19.19%	+0.3%	+1.3%	+4.6%	-0.8%	+0.2%	-16.6%	+8.5%
14-Day RSI	Sep 10, 26	43.00	-9.3%	+31.7%	-11.3%	-0.1%	+1.9%	+10.0%	-8.2%
Beta	Sep 10, 26	-0.04	+20.0%	0.0%	-233.3%	-166.7%	-500.0%	-106.0%	-111.1%
ATR	Sep 10, 26	$2.18	+0.8%	-23.0%	-10.7%	+47.7%	+40.0%	+73.1%	+76.3%
Price	Sep 10, 26	$123.47	-1.0%	-0.1%	-3.9%	+7.1%	+13.6%	+58.7%	+39.0%
200-Day SMA	Sep 10, 26	$126.93	+0.0%	+0.3%	+3.6%	+15.0%	+22.8%	+42.9%	+50.0%
50-Day SMA	Sep 10, 26	$128.48	-0.2%	-2.0%	-2.3%	+8.4%	+17.1%	+56.2%	+45.5%
20-Day SMA	Sep 10, 26	$124.08	-0.1%	-4.4%	-3.1%	+7.4%	+11.8%	+58.0%	+38.0%

1-Year Volatility History

Date	Value	Change
Sep 11, 2026	19.19%	-0.8%
Dec 31, 2025	19.35%	+4.5%
Dec 31, 2024	18.52%	-11.4%
Dec 31, 2023	20.90%	-10.9%
Dec 31, 2022	23.46%	+40.8%
Dec 31, 2021	16.66%	-56.7%
Dec 31, 2020	38.46%	+179.3%
Dec 31, 2019	13.77%	-21.0%
Dec 31, 2018	17.42%	+59.2%
Dec 31, 2017	10.94%	-38.4%
Dec 31, 2016	17.76%	-10.1%
Dec 31, 2015	19.75%	+16.7%
Dec 31, 2014	16.92%	+15.3%
Dec 31, 2013	14.67%	+13.0%
Dec 31, 2012	12.98%	-33.2%
Dec 31, 2011	19.43%	+13.9%
Dec 31, 2010	17.06%	-35.1%
Dec 31, 2009	26.27%	-36.8%
Dec 31, 2008	41.57%	+95.3%
Dec 31, 2007	21.28%	+50.0%
Dec 31, 2006	14.19%	-12.1%
Dec 31, 2005	16.15%	-0.7%
Dec 31, 2004	16.27%	-38.3%
Dec 31, 2003	26.36%	-54.2%
Dec 31, 2002	57.53%	+130.6%
Dec 31, 2001	24.95%	-22.1%
Dec 31, 2000	32.01%	+56.4%
Dec 31, 1999	20.47%	+11.6%

Date	Value	Change
Dec 31, 1998	18.34%	+30.2%
Dec 31, 1997	14.09%	+2.0%
Dec 31, 1996	13.81%	-5.3%
Dec 31, 1995	14.58%	-22.5%
Dec 31, 1994	18.82%	+30.1%
Dec 31, 1993	14.47%	+16.1%
Dec 31, 1992	12.46%	-20.3%
Dec 31, 1991	15.63%	-0.8%
Dec 31, 1990	15.76%	+20.3%
Dec 31, 1989	13.10%	-29.3%
Dec 31, 1988	18.53%	-21.6%
Dec 31, 1987	23.65%	+4.3%
Dec 31, 1986	22.67%	+44.1%
Dec 31, 1985	15.73%	-14.1%
Dec 31, 1984	18.31%	+18.4%
Dec 31, 1983	15.47%	-18.1%
Dec 31, 1982	18.89%	-1.3%
Dec 31, 1981	19.14%	-5.6%
Dec 31, 1980	20.28%	+29.3%
Dec 31, 1979	15.69%	+15.9%
Dec 31, 1978	13.54%	-3.6%
Dec 31, 1977	14.05%	-7.4%
Dec 31, 1976	15.18%	-42.3%
Dec 31, 1975	26.33%	-14.2%
Dec 31, 1974	30.70%	+57.5%
Dec 31, 1973	19.49%	+21.3%
Dec 31, 1972	16.07%	-

FAQ

What is the current 1-year volatility of AEP?: As of today, AEP 1-year volatility is 19.19%
What 1-year volatility category does AEP fall into?: Based on its current 1-year historical volatility, AEP falls into the low volatility category
What is AEP 1-year volatility 1-year high?: AEP 1-year volatility reached a 1-year high of 20.09% on October 31, 2025
What is AEP 1-year volatility 1-year low?: AEP 1-year volatility reached a 1-year low of 17.35% on April 22, 2026

Data Sources & References

AEP Official Website www.aep.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/4904/000000490426000013/0000004904-26-000013-index.htm
AEP Profile on Yahoo Finance finance.yahoo.com/quote/AEP
AEP Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/aep