What is the current 10-day volatility of AEE?

As of today, AEE 10-day volatility is 9.57%

What 10-day volatility category does AEE fall into?

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

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

AEE 10-day volatility reached a 1-year high of 33.01% on July 7, 2026

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

AEE 10-day volatility reached a 1-year low of 6.21% on April 6, 2026

What is the current 1-month volatility of AEE?

As of today, AEE 1-month volatility is 13.56%

What 1-month volatility category does AEE fall into?

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

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

AEE 1-month volatility reached a 1-year high of 26.91% on July 17, 2026

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

AEE 1-month volatility reached a 1-year low of 10.77% on November 6, 2025

What is the current 3-month volatility of AEE?

As of today, AEE 3-month volatility is 19.28%

What 3-month volatility category does AEE fall into?

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

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

AEE 3-month volatility reached a 1-year high of 22.29% on July 29, 2026

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

AEE 3-month volatility reached a 1-year low of 12.44% on November 5, 2025

What is the current 1-year volatility of AEE?

As of today, AEE 1-year volatility is 17.18%

What 1-year volatility category does AEE fall into?

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

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

AEE 1-year volatility reached a 1-year high of 18.39% on September 5, 2025

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

AEE 1-year volatility reached a 1-year low of 14.99% on April 22, 2026

AEE Stock Volatility History & Chart Since 1998

10-Day

9.57%

September 4, 2026

Summary

Current Value: As of today, AEE 10-day volatility is 9.57%, down -39.08% on September 4, 2026
Value Category: Based on its current 10-day historical volatility, AEE falls into the very low volatility category
1-Year High: AEE 10-day volatility reached a 1-year high of 33.01% on July 7, 2026
1-Year Low: AEE 10-day volatility reached a 1-year low of 6.21% on April 6, 2026

10-Day Volatility Chart

Performance

AEE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 4, 26	9.57%	-39.1%	-52.1%	-57.2%	-1.5%	-10.4%	-2.9%	-39.7%
1-Month Volatility	Sep 4, 26	13.56%	+3.6%	-27.9%	-33.7%	+9.8%	+7.4%	+6.1%	+2.4%
3-Month Volatility	Sep 4, 26	19.28%	-1.9%	-11.4%	+2.7%	+35.8%	+42.8%	+13.2%	+18.1%
1-Year Volatility	Sep 4, 26	17.18%	+0.1%	+0.3%	+10.1%	-1.0%	-6.4%	-23.1%	-8.2%
14-Day RSI	Sep 4, 26	41.56	+0.9%	-5.4%	-3.6%	-11.3%	-21.4%	+24.7%	-23.7%
Beta	Sep 4, 26	-0.10	0.0%	-25.0%	-266.7%	-147.6%	-143.5%	-114.7%	-125.0%
ATR	Sep 4, 26	$1.72	-2.4%	-25.2%	-16.1%	+34.1%	+35.2%	+31.6%	+43.3%
Price	Sep 4, 26	$106.47	+0.1%	-2.7%	-0.5%	+6.6%	+5.5%	+35.7%	+20.8%
200-Day SMA	Sep 4, 26	$107.82	+0.0%	+0.4%	+2.3%	+8.0%	+11.8%	+26.3%	+33.8%
50-Day SMA	Sep 4, 26	$110.19	-0.1%	-0.6%	-0.1%	+8.0%	+11.0%	+33.4%	+29.2%
20-Day SMA	Sep 4, 26	$107.57	-0.1%	-3.6%	-1.0%	+8.4%	+6.5%	+34.2%	+21.7%

10-Day Volatility History

Date	Value	Change
Sep 4, 2026	9.57%	-1.5%
Dec 31, 2025	9.72%	-44.9%
Dec 31, 2024	17.65%	-30.0%
Dec 31, 2023	25.20%	+63.2%
Dec 31, 2022	15.44%	-2.5%
Dec 31, 2021	15.83%	-10.3%
Dec 31, 2020	17.65%	+43.5%
Dec 31, 2019	12.30%	-65.4%
Dec 31, 2018	35.54%	+170.5%
Dec 31, 2017	13.14%	+1.2%
Dec 31, 2016	12.98%	-40.1%
Dec 31, 2015	21.68%	-20.7%
Dec 31, 2014	27.35%	+132.0%
Dec 31, 2013	11.79%	-50.7%
Dec 31, 2012	23.93%	+27.5%

Date	Value	Change
Dec 31, 2011	18.77%	+128.1%
Dec 31, 2010	8.23%	-35.5%
Dec 31, 2009	12.76%	-43.7%
Dec 31, 2008	22.65%	+121.0%
Dec 31, 2007	10.25%	+46.0%
Dec 31, 2006	7.02%	-10.9%
Dec 31, 2005	7.88%	+3.7%
Dec 31, 2004	7.60%	+33.6%
Dec 31, 2003	5.69%	-56.6%
Dec 31, 2002	13.10%	-31.7%
Dec 31, 2001	19.17%	-19.8%
Dec 31, 2000	23.89%	+103.5%
Dec 31, 1999	11.74%	-13.5%
Dec 31, 1998	13.58%	-

FAQ

What is the current 10-day volatility of AEE?: As of today, AEE 10-day volatility is 9.57%
What 10-day volatility category does AEE fall into?: Based on its current 10-day historical volatility, AEE falls into the very low volatility category
What is AEE 10-day volatility 1-year high?: AEE 10-day volatility reached a 1-year high of 33.01% on July 7, 2026
What is AEE 10-day volatility 1-year low?: AEE 10-day volatility reached a 1-year low of 6.21% on April 6, 2026

1-Month

13.56%

September 4, 2026

Summary

Current Value: As of today, AEE 1-month volatility is 13.56%, up +3.59% on September 4, 2026
Value Category: Based on its current 1-month historical volatility, AEE falls into the very low volatility category
1-Year High: AEE 1-month volatility reached a 1-year high of 26.91% on July 17, 2026
1-Year Low: AEE 1-month volatility reached a 1-year low of 10.77% on November 6, 2025

Performance

AEE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 4, 26	13.56%	+3.6%	-27.9%	-33.7%	+9.8%	+7.4%	+6.1%	+2.4%
10-Day Volatility	Sep 4, 26	9.57%	-39.1%	-52.1%	-57.2%	-1.5%	-10.4%	-2.9%	-39.7%
3-Month Volatility	Sep 4, 26	19.28%	-1.9%	-11.4%	+2.7%	+35.8%	+42.8%	+13.2%	+18.1%
1-Year Volatility	Sep 4, 26	17.18%	+0.1%	+0.3%	+10.1%	-1.0%	-6.4%	-23.1%	-8.2%
14-Day RSI	Sep 4, 26	41.56	+0.9%	-5.4%	-3.6%	-11.3%	-21.4%	+24.7%	-23.7%
Beta	Sep 4, 26	-0.10	0.0%	-25.0%	-266.7%	-147.6%	-143.5%	-114.7%	-125.0%
ATR	Sep 4, 26	$1.72	-2.4%	-25.2%	-16.1%	+34.1%	+35.2%	+31.6%	+43.3%
Price	Sep 4, 26	$106.47	+0.1%	-2.7%	-0.5%	+6.6%	+5.5%	+35.7%	+20.8%
200-Day SMA	Sep 4, 26	$107.82	+0.0%	+0.4%	+2.3%	+8.0%	+11.8%	+26.3%	+33.8%
50-Day SMA	Sep 4, 26	$110.19	-0.1%	-0.6%	-0.1%	+8.0%	+11.0%	+33.4%	+29.2%
20-Day SMA	Sep 4, 26	$107.57	-0.1%	-3.6%	-1.0%	+8.4%	+6.5%	+34.2%	+21.7%

1-Month Volatility History

Date	Value	Change
Sep 4, 2026	13.10%	-16.9%
Dec 31, 2025	15.77%	+2.8%
Dec 31, 2024	15.34%	-59.7%
Dec 31, 2023	38.07%	+115.9%
Dec 31, 2022	17.63%	+20.3%
Dec 31, 2021	14.65%	-11.4%
Dec 31, 2020	16.54%	+53.4%
Dec 31, 2019	10.78%	-60.7%
Dec 31, 2018	27.46%	+64.7%
Dec 31, 2017	16.67%	+0.8%
Dec 31, 2016	16.53%	-26.7%
Dec 31, 2015	22.54%	+1.3%
Dec 31, 2014	22.24%	+48.2%
Dec 31, 2013	15.01%	-22.7%
Dec 31, 2012	19.41%	-18.2%

Date	Value	Change
Dec 31, 2011	23.74%	+85.5%
Dec 31, 2010	12.80%	-25.6%
Dec 31, 2009	17.21%	-58.8%
Dec 31, 2008	41.77%	+223.8%
Dec 31, 2007	12.90%	+80.7%
Dec 31, 2006	7.14%	-34.7%
Dec 31, 2005	10.94%	+14.0%
Dec 31, 2004	9.60%	+3.0%
Dec 31, 2003	9.32%	-46.4%
Dec 31, 2002	17.38%	-11.9%
Dec 31, 2001	19.73%	+5.6%
Dec 31, 2000	18.68%	+39.4%
Dec 31, 1999	13.40%	+14.0%
Dec 31, 1998	11.75%	-

FAQ

What is the current 1-month volatility of AEE?: As of today, AEE 1-month volatility is 13.56%
What 1-month volatility category does AEE fall into?: Based on its current 1-month historical volatility, AEE falls into the very low volatility category
What is AEE 1-month volatility 1-year high?: AEE 1-month volatility reached a 1-year high of 26.91% on July 17, 2026
What is AEE 1-month volatility 1-year low?: AEE 1-month volatility reached a 1-year low of 10.77% on November 6, 2025

3-Month

19.28%

September 4, 2026

Summary

Current Value: As of today, AEE 3-month volatility is 19.28%, down -1.88% on September 4, 2026
Value Category: Based on its current 3-month historical volatility, AEE falls into the low volatility category
1-Year High: AEE 3-month volatility reached a 1-year high of 22.29% on July 29, 2026
1-Year Low: AEE 3-month volatility reached a 1-year low of 12.44% on November 5, 2025

Performance

AEE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 4, 26	19.28%	-1.9%	-11.4%	+2.7%	+35.8%	+42.8%	+13.2%	+18.1%
10-Day Volatility	Sep 4, 26	9.57%	-39.1%	-52.1%	-57.2%	-1.5%	-10.4%	-2.9%	-39.7%
1-Month Volatility	Sep 4, 26	13.56%	+3.6%	-27.9%	-33.7%	+9.8%	+7.4%	+6.1%	+2.4%
1-Year Volatility	Sep 4, 26	17.18%	+0.1%	+0.3%	+10.1%	-1.0%	-6.4%	-23.1%	-8.2%
14-Day RSI	Sep 4, 26	41.56	+0.9%	-5.4%	-3.6%	-11.3%	-21.4%	+24.7%	-23.7%
Beta	Sep 4, 26	-0.10	0.0%	-25.0%	-266.7%	-147.6%	-143.5%	-114.7%	-125.0%
ATR	Sep 4, 26	$1.72	-2.4%	-25.2%	-16.1%	+34.1%	+35.2%	+31.6%	+43.3%
Price	Sep 4, 26	$106.47	+0.1%	-2.7%	-0.5%	+6.6%	+5.5%	+35.7%	+20.8%
200-Day SMA	Sep 4, 26	$107.82	+0.0%	+0.4%	+2.3%	+8.0%	+11.8%	+26.3%	+33.8%
50-Day SMA	Sep 4, 26	$110.19	-0.1%	-0.6%	-0.1%	+8.0%	+11.0%	+33.4%	+29.2%
20-Day SMA	Sep 4, 26	$107.57	-0.1%	-3.6%	-1.0%	+8.4%	+6.5%	+34.2%	+21.7%

3-Month Volatility History

Date	Value	Change
Sep 4, 2026	19.60%	+38.1%
Dec 31, 2025	14.19%	-21.6%
Dec 31, 2024	18.09%	-36.0%
Dec 31, 2023	28.28%	+7.6%
Dec 31, 2022	26.29%	+48.7%
Dec 31, 2021	17.68%	-14.4%
Dec 31, 2020	20.66%	+58.6%
Dec 31, 2019	13.03%	-39.6%
Dec 31, 2018	21.57%	+61.8%
Dec 31, 2017	13.33%	-38.7%
Dec 31, 2016	21.74%	+9.1%
Dec 31, 2015	19.92%	-4.2%
Dec 31, 2014	20.79%	+55.3%
Dec 31, 2013	13.39%	-23.6%
Dec 31, 2012	17.53%	-28.8%

Date	Value	Change
Dec 31, 2011	24.62%	+91.7%
Dec 31, 2010	12.84%	-32.5%
Dec 31, 2009	19.03%	-73.9%
Dec 31, 2008	72.78%	+417.3%
Dec 31, 2007	14.07%	+74.6%
Dec 31, 2006	8.06%	-49.1%
Dec 31, 2005	15.82%	+18.7%
Dec 31, 2004	13.33%	+31.3%
Dec 31, 2003	10.15%	-55.9%
Dec 31, 2002	23.02%	+17.4%
Dec 31, 2001	19.61%	-13.5%
Dec 31, 2000	22.66%	+28.2%
Dec 31, 1999	17.67%	-6.6%
Dec 31, 1998	18.91%	-

FAQ

What is the current 3-month volatility of AEE?: As of today, AEE 3-month volatility is 19.28%
What 3-month volatility category does AEE fall into?: Based on its current 3-month historical volatility, AEE falls into the low volatility category
What is AEE 3-month volatility 1-year high?: AEE 3-month volatility reached a 1-year high of 22.29% on July 29, 2026
What is AEE 3-month volatility 1-year low?: AEE 3-month volatility reached a 1-year low of 12.44% on November 5, 2025

1-Year

17.18%

September 4, 2026

Summary

Current Value: As of today, AEE 1-year volatility is 17.18%, up +0.06% on September 4, 2026
Value Category: Based on its current 1-year historical volatility, AEE falls into the low volatility category
1-Year High: AEE 1-year volatility reached a 1-year high of 18.39% on September 5, 2025
1-Year Low: AEE 1-year volatility reached a 1-year low of 14.99% on April 22, 2026

Performance

AEE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 4, 26	17.18%	+0.1%	+0.3%	+10.1%	-1.0%	-6.4%	-23.1%	-8.2%
10-Day Volatility	Sep 4, 26	9.57%	-39.1%	-52.1%	-57.2%	-1.5%	-10.4%	-2.9%	-39.7%
1-Month Volatility	Sep 4, 26	13.56%	+3.6%	-27.9%	-33.7%	+9.8%	+7.4%	+6.1%	+2.4%
3-Month Volatility	Sep 4, 26	19.28%	-1.9%	-11.4%	+2.7%	+35.8%	+42.8%	+13.2%	+18.1%
1-Year Volatility	Sep 4, 26	17.18%	+0.1%	+0.3%	+10.1%	-1.0%	-6.4%	-23.1%	-8.2%
14-Day RSI	Sep 4, 26	41.56	+0.9%	-5.4%	-3.6%	-11.3%	-21.4%	+24.7%	-23.7%
Beta	Sep 4, 26	-0.10	0.0%	-25.0%	-266.7%	-147.6%	-143.5%	-114.7%	-125.0%
ATR	Sep 4, 26	$1.72	-2.4%	-25.2%	-16.1%	+34.1%	+35.2%	+31.6%	+43.3%
Price	Sep 4, 26	$106.47	+0.1%	-2.7%	-0.5%	+6.6%	+5.5%	+35.7%	+20.8%
200-Day SMA	Sep 4, 26	$107.82	+0.0%	+0.4%	+2.3%	+8.0%	+11.8%	+26.3%	+33.8%
50-Day SMA	Sep 4, 26	$110.19	-0.1%	-0.6%	-0.1%	+8.0%	+11.0%	+33.4%	+29.2%
20-Day SMA	Sep 4, 26	$107.57	-0.1%	-3.6%	-1.0%	+8.4%	+6.5%	+34.2%	+21.7%

1-Year Volatility History

Date	Value	Change
Sep 4, 2026	17.15%	-1.2%
Dec 31, 2025	17.36%	+0.2%
Dec 31, 2024	17.32%	-21.1%
Dec 31, 2023	21.94%	-0.2%
Dec 31, 2022	21.99%	+22.2%
Dec 31, 2021	17.99%	-58.4%
Dec 31, 2020	43.20%	+200.8%
Dec 31, 2019	14.36%	-22.0%
Dec 31, 2018	18.42%	+52.1%
Dec 31, 2017	12.11%	-34.0%
Dec 31, 2016	18.35%	-6.5%
Dec 31, 2015	19.63%	+6.9%
Dec 31, 2014	18.36%	+21.1%
Dec 31, 2013	15.16%	+8.4%
Dec 31, 2012	13.98%	-38.5%

Date	Value	Change
Dec 31, 2011	22.73%	+19.1%
Dec 31, 2010	19.08%	-39.5%
Dec 31, 2009	31.52%	-23.7%
Dec 31, 2008	41.32%	+129.9%
Dec 31, 2007	17.97%	+42.7%
Dec 31, 2006	12.59%	-11.8%
Dec 31, 2005	14.27%	+10.8%
Dec 31, 2004	12.88%	-16.3%
Dec 31, 2003	15.38%	-37.6%
Dec 31, 2002	24.65%	+12.9%
Dec 31, 2001	21.84%	-13.8%
Dec 31, 2000	25.34%	+50.3%
Dec 31, 1999	16.86%	-9.7%
Dec 31, 1998	18.67%	-

FAQ

What is the current 1-year volatility of AEE?: As of today, AEE 1-year volatility is 17.18%
What 1-year volatility category does AEE fall into?: Based on its current 1-year historical volatility, AEE falls into the low volatility category
What is AEE 1-year volatility 1-year high?: AEE 1-year volatility reached a 1-year high of 18.39% on September 5, 2025
What is AEE 1-year volatility 1-year low?: AEE 1-year volatility reached a 1-year low of 14.99% on April 22, 2026

Data Sources & References

AEE Official Website www.amereninvestors.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1002910/000110465925119977/0001104659-25-119977-index.htm
AEE Profile on Yahoo Finance finance.yahoo.com/quote/AEE
AEE Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/aee